LEDs on Metal-Core PCBs


  • UV, Visible, IR, and Mid-IR Models Available
  • LED Mounted on Metal-Core Printed Circuit Board
  • Ideal for OEM Applications

M340D4

340 nm LED,
≥45.5 mW Power Output

M1300D3

1300 nm LED,
≥122.8 mW Power Output

M565D2

565 nm LED,
≥880 mW Power Output

Related Items


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LED on MCPCB Quick Links
Deep UV (265 - 340 nm)
UV (365 - 405 nm)
Cold Visible (415 - 565 nm)
Warm Visible (590 - 730 nm)
IR (780 - 1900 nm)
Mid-IR (3400 - 5200 nm)
Purple (455 nm / 640 nm)
White (400 - 700 nm)
Broadband LEDs
LED Connection Cable

Features

  • Nominal Wavelengths Ranging from 265 nm to 5200 nm
  • White, Dual-Peak, and Broadband LEDs Also Available
  • Minimum Outputs Ranging from 1.1 mW to 2000 mW
  • LED Mounted on Metal-Core Printed Circuit Board for Excellent Heat Management
  • Long Lifetimes (See Tables Below for Details)

Thorlabs' LEDs on Metal-Core Printed Circuit Boards (MCPCBs) are designed to provide high-power output in a compact package. Each LED package consists of a single LED that has been soldered to an MCPCB. These LEDs are ideal for OEM or custom applications; they should not be used for household illumination.

Thorlabs uses high-thermal-conductivity MCPCB materials. The MCPCB is designed to provide good thermal management. However, the LED must still be mounted onto an appropriate heat sink using thermal paste to ensure proper operation and to maximize operating lifetime. Mounting holes are provided on the MCPCB surface for attaching the LED to a heat sink; the Ø2 mm through holes are compatible with #1 (M2) screws (not included).

The spectrum of each LED and complete specifications can be viewed by clicking on the info icon (info icon) for each LED below for details. Multiple windows can be opened simultaneously in order to compare LEDs.

Thorlabs also offers mounted LEDs with an integrated heat sink, as well as collimated mounted LEDs, which are compatible with microscopes from major manufacturers. For fiber applications, we also offer fiber-coupled LEDs. For questions on choosing an appropriate LED and to discuss mounting requirements, please contact Tech Support.

Optimized Thermal Management
These LEDs possess good thermal stability properties; hence, degradation of the optical output power due to increased LED temperature is not an issue when the LED is properly mounted to a heat sink using thermal paste, thermal epoxy, or thermally conductive double-sided tape.

White Light, Dual-Peak, and Broadband LEDs
Our warm, neutral, and cold white LEDs feature broad spectra that span several hundred nanometers. The difference in appearance amongst these three LEDs can be described using the correlated color temperature, which indicates that the LEDs color appearance is similar to a black body radiator at that temperature. In general, warm white LEDs offer a spectrum similar to a tungsten source, while cold white LEDs have a stronger blue component to the spectrum; neutral white LEDs provide a more even illumination spectrum over the visible range than warm white or cold white LEDs. Cold white LEDs are more suited for fluorescence microscopy applications or cameras with white balancing, because of a higher intensity at most wavelengths compared to warm white LEDs. Neutral white LEDs are ideal for horticultural applications.

For horticultural applications requiring illumination in both red and blue portions of the spectrum, Thorlabs offers the MPRP1D2. This purple LED features dual peaks at 455 nm and 640 nm, respectively, to stimulate photosynthesis (see graph to compare the absorption peaks of photosynthesis pigments with the LED spectrum). The LED was designed to maintain the red/blue ratio of the emission spectrum over its lifetime to provide high uniformity of plant growth.

The MBB1D1 broadband LED has a relatively flat spectral emission over a wide wavelength range. Its FWHM bandwidth ranges from 500 nm to 780 nm, while its 10 dB bandwidth ranges between 470 nm and 940 nm. The MBB2D1 broadband LED features a spectrum with peaks at approximately 770 nm, 860 nm, and 940 nm.

Soldering
These LEDs have been soldered to a metal core with low thermal resistance. While this feature allows for good thermal management, it can also prevent the metal pads from reaching the appropriate temperature for soldering when the package is connected to a heat sink. To properly solder wires to the pads, first make sure that the metal core is not in contact with a heat sink or a metal surface. We recommend using a small vise or similar device to hold the MCPCB during the soldering process and wires with a minimum gauge of 24 AWG (0.25 mm2).

To solder wires to the MCPCB, first hold the copper bit of the soldering iron on one of the pads for approximately 30 seconds using a soldering temperature of about 350 °C. The soldering iron will heat the entire metal-core PCB, so do not touch the LED package until it has cooled down after the soldering process. Test the temperature by touching tin solder to the pad: the solder will melt and flow evenly over the entire pad at the correct temperature. Coat the other pads with tin solder. Now, solder the wires to the pads. Use tweezers or pliers to remove the MCPCB from the vise and place it on a heat sink or metal surface. The metal-core PCB will cool down in several seconds and is now ready for your application.

For convenient connection of the LEDs to the drivers listed on the LED Drivers tab, please order the optional CAB-LEDD1 LED connection cable below.

Driver Options and Pin Assignments
Thorlabs offers six drivers compatible with some or all of these LEDs: LEDD1B, UPLED, DC40, DC2200, DC4100, and DC4104 (the latter two require the DC4100-HUB). See the LED Drivers tab for compatibility information and a list of specifications. The UPLED, DC40, DC2200, DC4100, and DC4104 drivers are capable of reading the current limit from the EEPROM chip of the connected LED and automatically adjusting the maximum current setting to protect the LED.

To connect the PCB to a driver, please note that the soldering pad labeled "+" is the Anode (+V), and the pad labeled "-" is the Cathode. These LEDs can be operated without connecting EEPROM IO and EEPROM GND, but both must be connected in order for the driver to read the current limit. The soldering pads on different items may be in different locations, but the labels are the same. 

Collimation
These LEDs have large viewing angles, so for many applications it is beneficial to collimate the beam. See the Collimation tab for information on collimating the light from an LED.

Relative Power

The actual spectral output and total output power of any given LED will vary due to variations in the manufacturing process and operating parameters, such as temperature and current. Both a typical and minimum output power are specified to help you select an LED that suits your needs. Each metal-core PCB LED will provide at least the minimum specified output power at the maximum current. In order to provide a point of comparison for the relative powers of LEDs with different nominal wavelengths, the spectra in the plots below have been scaled to the minimum output power for each LED. This data is representative, not absolute. Excel files with normalized and scaled spectra for each set of the mounted LEDs can be downloaded by clicking below the graphs.

UV LED Spectra Scaled to Min Power
Click to Enlarge
Click Here for Data
UV LED Spectra Scaled to Min Power
Click to Enlarge
Click Here for Data
Visible LED Spectra Scaled to Min Power
Click to Enlarge
Click Here for Data
IR LED Spectra Scaled to Min Power
Click for Details
Click Here for Data
MIR LED Spectra Scaled to Min Power
Click to Enlarge
Click Here for Data
The spectrum shown for M4300D1 and M5200D1 are ideal.
Please see their Spec Sheets for more information.
Purple LED Spectrum Scaled to Min Power
Click to Enlarge
Click Here for Data
White LED Spectra Scaled to Min Power
Click to Enlarge
Click Here for Data
Broadband LEDs Spectra Scaled to Min Power
Click to Enlarge
Click Here for Data
Stability
Click to Enlarge

LED Lifetime and Long-Term Power Stability

One characteristic of LEDs is that they naturally exhibit power degradation with time. Often this power degradation is slow, but there are also instances where large, rapid drops in power, or even complete LED failure, occur. LED lifetimes are defined as the time it takes a specified percentage of a type of LED to fall below some power level. The parameters for the lifetime measurement can be written using the notation BXX/LYY, where XX is the percentage of that type of LED that will provide less than YY percent of the specified output power after the lifetime has elapsed. Thorlabs defines the lifetime of our LEDs as B50/L50, meaning that 50% of the LEDs with a given Item # will fall below 50% of the initial optical power at the end of the specified lifetime. For example, if a batch of 100 LEDs is rated for 150 mW of output power, 50 of these LEDs can be expected to produce an output power of ≤75 mW after the specified LED lifetime has elapsed.

Optimizing Thermal Management

In order to achieve stable optical output power and maximize lifetime from your LED, the MCPCB must be properly mounted to a heat sink using thermally conductive paste in order to minimize the degradation of optical output power caused by increased LED junction temperature (see the graph to the right).

To fully support the max optical power of the LED you intend to drive, ensure that the max voltage and max current of the driver are equal to or greater than those of the LED.

Compatible Drivers LEDD1B UPLEDa DC40a DC2200a DC4100a,b DC4104a,b
Click Photos to Enlarge LEDD1B Driver upLED Driver DC40 Driver DC2200 Driver DC4100 Driver DC4104 Driver
LED Driver Current Output (Max)c 1.2 A 1.2 A 4.0 Ad LED1 Terminal: 10.0 A
LED2 Terminal: 2.0 Ae		 1.0 A per Channel 1.0 A per Channel
LED Driver Forward Voltage (Max)f 12 V 8 V 14.0 Vd 50 V 5 V 5 V
Modulation Frequency Using External Input (Max) 5 kHzg - 5 kHzg 250 kHzg,h 100 kHzg
(Simultaneous Across all Channels)		 100 kHzg
(Independently Controlled Channels)
External Control Interface(s) Analog (BNC) USB 2.0 USB 2.0, TTL, and Analog (BNC) USB 2.0 and Analog (BNC) USB 2.0 and Analog (BNC) USB 2.0 and Analog (8-Pin)
Main Driver Features Very Compact Footprint
60 mm x 73 mm x 104 mm
(W x H x D)		 USB-Controlled Driver Current Up to 4.0 A,
Manual and USB-Controlled		 Touchscreen Interface with Internal and External Options for Pulsed and Modulated LED Operation 4 Channelsb 4 Channelsb
EEPROM Compatible: Reads Out LED Data for LED Settings - Yes Yes Yes Yes Yes
LCD Display - - - Yes Yes Yes
  • Automatically Adjusts the Driver's Current Limit via EEPROM Readout from LED
  • The DC4100 and DC4104 can power and control up to four LEDs simultaneously when used with the DC4100-HUB. The LEDs on this page all require the DC4100-HUB and the CAB-LEDD1 cable when used with the DC4100 or DC4104.
  • LEDs with maximum current ratings higher than the driver's maximum current output can be driven, but will not reach full power. See the tables below for the maximum current rating of each LED.
  • The DC40 LED Driver is designed to automatically select the appropriate current/voltage combination for Thorlabs LEDs. The LEDs on this page all require the CAB-LEDD1 cable when used with the DC40 LED Driver. Please note that the maximum current and forward voltage are interdependent; the DC40 driver cannot drive an LED with a 14.0 V forward voltage at 4.0 A. Please see the full web presentation for more information.
  • The MCPCB LEDs sold below are compatible with the LED2 Terminal via the CAB-LEDD1 (available separately below).
  • LEDs with forward voltage greater than the driver's maximum forward voltage cannot be driven. See the tables below for the forward voltage specification of each LED.
  • Several of these LEDs produce light by stimulating emission from phosphor, which limits their modulation frequencies. The M565D2, M595D3, and all purple or white LEDs may not turn off completely when modulated above 10 kHz at duty cycles below 50%. The MBB1D1 LED may not turn off completely when modulated at frequencies above 1 kHz with a duty cycle of 50%. When the MBB1D1 is modulated at frequencies above 1 kHz, the duty cycle may be reduced; for example, 10 kHz modulation is attainable with a duty cycle of 5%.
  • Small Signal Bandwidth: Modulation not exceeding 20% of full scale current. The driver accepts other waveforms, but the maximum frequency will be reduced.

Video Insight: Collimate Light from an LED

Collimating light from an LED or other large, incoherent source can be a surprisingly challenging task. The emitter’s size and the collimating lens’ focal length and numerical aperture (NA) all influence the characteristics of the collimated beam. It can also be hard to know when the lens is positioned optimally. In this video, two lenses with different NAs and focal lengths are used to demonstrate a couple of collimation approaches. In addition, the emerging image of the emitter and other typical features of beams provided by collimating lenses are explored.

Item # Information File Available Ray Files File Size Click to
Download
M385D1 M385_Info.pdf 1 Million Rays and 5 Million Rays 147 MB
M850D2a SFH4715S_100413_info.pdf 100,000 Rays, 500,000 Rays, and 5 Million Rays 139 MB
M940D2a SFH_4725S_110413_info.pdf 100,000 Rays, 500,000 Rays, and 5 Million Rays 140 MB
  • A radiometric color spectrum, bare LED CAD file, and sample Zemax file are also available for these LEDs.

Ray data for Zemax is available for some of the bare LEDs incorporated into these high-powered light sources. This data is provided in a zipped folder that can be downloaded by clicking on the red document icons () next to the part numbers in the pricing tables below. Every zipped folder contains an information file and one or more ray files for use with Zemax:

  • Information File: This document contains a summary of the types of data files included in the zipped folder and some basic information about their use. It includes a table listing each document type and the corresponding filenames.
  • Ray Files: These are binary files containing ray data for use with Zemax.

For the LEDs marked with an superscript "a" in the table to the right, the following additional pieces of information are also included in the zipped folder:

  • Radiometric Color Spectrum: This .spc file is also intended for use with Zemax.
  • CAD Files: A file indicating the geometry of the bare LED. For the dimensions of the high-power mounted LEDs that include the package, please see the support drawings provided by Thorlabs.
  • Sample Zemax File: A sample file containing the recommended settings and placement of the ray files and bare LED CAD model when used with Zemax.

The table to the right summarizes the ray files available for each LED and any other supporting documentation provided.


Posted Comments:
prathmesh ghag  (posted 2023-10-19 15:09:13.14)
Sir, Are these LED vacuum compatible. Kindly tell for model M810D2 Thanks, Prathmesh Ghag
dpossin  (posted 2023-10-20 07:12:57.0)
Dear Prathmesh, Thank you for your feedback. Unfortunately none of our metal core PCB mounted LEDs are vacuum compatible.
Su Bemo Heo  (posted 2023-06-22 17:18:01.56)
Hi I just saw Specifications about [M167D4]. It' seems Nominal wavelength is 617nm but Peak Wavelength is 620 ~ 630nm so what's different between Nominal and Peak Also what is Typical Wavelength(625nm) ? why is different Nominal Wavelength (617nm) Thanks
hkarpenko  (posted 2023-06-23 06:39:48.0)
Dear customer, thank you for your feedback. The nominal wavelength is the nominal wavelength at which the LED appears brightest to the human eye. The central wavelength spec is the measured wavelength from a spectrometer. This only makes a difference for some visible wavelengths. Since the emission wavelength and output power can vary due to the production process, we state a minimum, typical and maximum value, in between the peak wavelength will be located. This is based on our measurements and experience.
wang xiaozhuo  (posted 2023-06-06 20:34:52.723)
Hi thorlabs, I wonder do you have real rayfile of M780D2 LED for Lighttools?
hchow  (posted 2023-06-07 10:20:14.0)
Dear Mr. Wang, thank you for your feedback. I will reach out to you directly to address your issue.
MARIO MARTINELLI  (posted 2023-02-24 13:28:12.4)
What is the appropriate driver for M530D3? Thanks
hchow  (posted 2023-02-24 09:20:03.0)
Dear Mr. Martinelli, thank you for your feedback. Our LEDs on Metal-Core PCBs can be driven by our LEDD1B, DC2200, DC4100, and DC4104 (the latter two require the DC4100-Hub). You can additionally purchase the CAB-LEDD1, LED connect cable to connect the LED to the LED driver.
ke chen  (posted 2022-07-14 04:22:02.07)
我想用一段二进制伪随机编码对光源的亮灭进行调制，从而间歇性的使石墨烯产生光电效应而产生离子，请问这个产品能完成这个任务吗
mdiekmann  (posted 2022-07-18 06:05:04.0)
Thank you for contacting us. A member of our Chinese-speaking tech support team will reach out to you directly to assist.
fred couweleers  (posted 2022-07-01 14:23:34.443)
can you tell me whether the conductive structures that are visible on the surface of the LED are always oriented the same way with respect to the PCB (within a certain tolerance)?
Mehrdad Hosseini  (posted 2022-06-13 08:51:04.24)
Hello, As you mentioned in the datasheet, the maximum current for M595D3 is 1500 mA, but I can't apply more than 800 mA with 3.2V. Can I increase the voltage to reach maximum current (and highest intensity)? If so, to what extent? Best Regards, Mehrdad
fmortaheb  (posted 2022-06-14 03:14:41.0)
Dear Mehrdad, Thank you very much for your inquiry. we have contacted you directly to provide further assistance and troubleshooting.
Faye Clever  (posted 2021-12-01 08:44:07.61)
I have been using these MINTD3 LEDs for an optogenetics project I am working on with model organism C. elegans for a little over a year. The LEDs have been exactly what I needed. My only concern is the ease of soldering these LEDs. I have had a number of people work on the soldering with some frustration. Because it has been multiple people, all of whom have respectable soldering experience, I am inclined to believe that there may be some issue with the LEDs themselves. I have so far purchased 9 MINTD3s and the soldering has actually detached from the LEDs during use - when I first set up the LEDs, everything works fine, but when I come back hours later the soldering will be detached. I could be wrong, but if this is in fact an issue with the LEDs' soldering then I figured you would want to know.
dpossin  (posted 2021-12-06 05:04:52.0)
Dear Faye, Thank you for your feedback. I reach out to you directly in order to discuss this.
Hyeonsoo OH  (posted 2021-10-01 17:05:30.257)
Hello. I`m a assistant manager in Company called U2medtek which is medical engineering in korea. We bought it. and we are very satisfied about it. Do you have Certificate of EN-62471 for it? If you have please send PDF file on e-mail. For making medical equipment, We need that certs. If you want to know about us, you can send a e-mail to this address. and this is our homepage address. Homepage: www.U2medtek.com thank you Best Regards
soswald  (posted 2021-10-04 05:52:55.0)
Dear Hyeonsoo OH, thank you for your feedback. I am glad to hear you are satisfied with the M780D2. We have rated this LED as RG0 according to EN-62471, as stated in the specification sheet: https://www.thorlabs.de/drawings/86f2f178eb4c904c-E3DE4C1C-0EB5-F577-6725F18F3430EA4E/M780D2-SpecSheet.pdf I have reached out to you directly in order to provide further assistance if needed.
Hajun Song  (posted 2020-11-09 01:45:59.967)
I want to use the LD as a flash for the high speed flash. So, the LD should be modulated as fast as possible. Could you give me a information about the LD's bandwidth or rising time?
dpossin  (posted 2020-11-09 10:13:11.0)
Dear Hajun, Thank you for your feedback. Unfortunately we do not have information on the rise time of our metalcore PCB LEDs due to the fact that we are bandwidth limited by our drivers. However a good assumption is a rise time of at least 100ns which corresponds to an 3dB bandwidth of 3.5 MHz.
Ulrich Leischner  (posted 2020-07-09 05:32:47.76)
Hallo gäbe es diese LED auch für 1000mA Stromstärke? wir benützen den Wellenlängenbereich ab 1070nm für quasi-IR Imaging, also den Grenzbereich der grad noch mit Silizium-Chips machbar ist. Mit einer IR-Quelle und einem 1070nm Langpassfilter hat man ganz gute ergebnisse. Unsere Stromversorgungen sind standardisiert auf 1000mA. Wenn es da LEDs gäbe im Bereich 1050nm-1200nm mit 1000mA wären die für uns gut zu gebrauchen. Gäbe es da inzwischen LEDs in diesem Bereich? Grüße Ulrich Leischner
MKiess  (posted 2020-07-10 09:36:13.0)
Vielen Dank für Ihre Anfrage. Eine IR-LED, mit einer Wellenlänge zwischen 1050nm und 1200nm, auf einem Metallkern PCB, welche bei 1000mA betrieben werden kann, haben wir leider nicht als standard Produkt in unserem Sotrtiment. Eine Übersicht aller LEDs können Sie unter folgendem Link finden: https://www.thorlabs.de/newgrouppage9.cfm?objectgroup_ID=6071&tabname= LED Selection Guide Ich habe Sie direkt kontaktiert um die genauen Anforderungen mit Ihnen zu diskutieren.
alekkom  (posted 2017-12-15 11:09:23.127)
Can I use laser diode driver LD3000R as LED driver for M780D3 diode?
swick  (posted 2017-12-20 03:52:04.0)
This is a response from Sebastian at Thorlabs. Thank you for the inquiry. In general it should work to drive LEDs with constant current drivers so LD3000R (2.5 A , 12 V) should be compatible to M780D3 (800 mA, 7.8 V).
ludoangot  (posted 2017-11-16 22:57:56.71)
Which of your white LED has the highest Color Rendition Index (CRI)?
mvonsivers  (posted 2017-11-21 04:47:52.0)
This is a response from Moritz at Thorlabs. Thank you for you inquiry. Unfortunately, we cannot specify CRI values for our LEDs. I will contact you directly for further information.
ludoangot  (posted 2016-05-24 23:39:01.57)
Do you offer sm1 sized blank mounting plates for these LED? I have in mind 2 configurations: a 1" pre-drilled plate to insert in sm1 tubes or the same but with SM1 external thread.
shallwig  (posted 2016-05-25 02:29:13.0)
This is a response from Stefan at Thorlabs. Thank you very much for your inquiry. These LEDs on Metal-Core PCB must still be mounted onto an appropriate heat sink using thermal paste to ensure proper operation and to maximize operating lifetime. We do not offer these heat sinks separately. Our mounted LEDs with heatsink http://www.thorlabs.com/newgrouppage9.cfm?objectgroup_ID=2692 feature an internal SM1 Threading for attaching collimation adapters or 1’’ lens tubes. I will contact you directly to discuss your application in more detail.
kwestla  (posted 2015-01-29 13:03:14.38)
What is the control voltage needed to turn the device on via the EEPROM IO, is it TTL, CMOS etc?
shallwig  (posted 2015-01-30 05:24:28.0)
This is a response from Stefan at Thorlabs. Thank you very much for your inquiry. The EPROM cannot be used to turn the LED on. This chip only has saved information about the maximum driving current for this specific LED. It gets connected with an EPROM compatible driver like the DC2100 via the IO and GND Pad but the LED and EPROM have two different circuits. The driver reads out the EPROM information and sets the current limit accordingly. The M385D1 needs to be supplied via Cathode and Anode Pad with a constant current of 700 mA, the current must not exceed the max current of 700 mA. The current source must be able to deliver this current at a “Forward Voltage” of 4.3 V. I will contact you directly to discuss your application in detail.
jamesfreal  (posted 2013-08-27 11:58:01.013)
The Excel data file for the M365D1 is not correct on your web site. It looks like it contains the spectral data for the M505D2. Could you send me the correct file? Thanks James Freal
sharrell  (posted 2013-08-27 12:35:00.0)
Response from Sean at Thorlabs: Thank you for contacting us. We’ve updated the file linked on our website with the correct data.

This tab includes all LEDs sold by Thorlabs. Click on More [+] to view all available wavelengths for each type of LED pictured below.

Light Emitting Diode (LED) Selection Guide
Click Photo to Enlarge
(Representative; Not to Scale)
Type Unmounted LEDs Pigtailed LEDs LEDs in
SMT Packages		 LED Arrays LED Ring Light Cage-Compatible
Diffuse Backlight LED
Light Emitting Diode (LED) Selection Guide
Click Photo to Enlarge
(Representative; Not to Scale)
Type PCB-
Mounted LEDs		 Heatsink-
Mounted LEDs		 Collimated LEDs for Microscopyb Fiber-
Coupled LEDsc		 High-Power LEDs for Microscopy Multi-Wavelength
LED Source Optionsd
  • Measured at 25 °C
  • These Collimated LEDs are compatible with the standard and epi-illumination ports on the following microscopes: Olympus BX/IX (Item # Suffix: -C1), Leica DMI (Item # Suffix: -C2), Zeiss Axioskop (Item # Suffix: -C4), and Nikon Eclipse (Bayonet Mount, Item # Suffix: -C5).
  • Typical power when used with MM Fiber with Ø400 µm core, 0.39 NA.
  • Our Multi-Wavelength LED Sources are available with select combinations of the LEDs at these wavelengths.
  • Typical power for LEDs with the Leica DMI collimation package (Item # Suffix: -C2).
  • Minimum power for the collimated output of these LEDs. The collimation lens is installed with each LED.
  • Typical power for LEDs with the Olympus BX and IX collimation package (Item # Suffix: -C1).
  • Typical power for LEDs with the Zeiss Axioskop collimation package (Item # Suffix: -C4).
  • Percentage of LED intensity that emits in the blue portion of the spectrum, from 400 nm to 525 nm.
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Deep UV LEDs (265 - 340 nm)

Please note that our deep UV LEDs radiate intense UV light during operation. Precautions must be taken to prevent looking directly at the UV light, and UV light protective glasses must be worn to avoid eye damage. Exposure of the skin and other body parts to UV light should be avoided. 

Item # Infoa,b Nominal
Wavelength		 LED Output Power Bandwidth
(FWHM)		 Irradiancec Maximum
Current
(CW)		 Forward
Voltage		 Viewing Angle
(Full Angle
at Half Max)		 Emitter Size MCPCB
Thickness
Minimum Typical
M265D4 info 265 nm 38.4 mW 55.7 mW 11 nm 0.5 µW/mm2 440 mA 6.9 V 120º 1 mm x 0.75 mm 1.6 mm
M275D2 info 275 nm 45 mW 80 mW 11 nm 0.8 µW/mm2 700 mA 7.3 V 118° 2 mm x 2 mm 1.6 mm
M275D3 info 275 nm 47.3 mW 68.3 mW 10 nm 0.5 µW/mm2 300 mA 12 V 120° 2.7 mm x 3.3 mm 1.6 mm
M280D4 info 280 nm 78 mW 114 mW 10 nm 1 µW/mm2 500 mA 6.26 V 114°d 1 mm x 1 mm 1.6 mm
M300D3 info 300 nm 26 mW 32 mW 20 nm 0.3 µW/mm2 350 mA 8.0 V (Max) 130° 1 mm x 1 mm 1.6 mm
M310D1 info 310 nm 38.5 mW 56.5 mW 30 nm 0.76 µW/mm2 600 mA 5 V 120°d 1 mm x 1 mm 1.6 mm
M325D3 info 325 nm 25 mW 35 mW 12 nm 0.44 µW/mm2 (Max) 600 mA 5.2 V 120° 1 mm x 1 mm 1.6 mm
M340D4 info 340 nm 45.5 mW 69.2 mW 10 nm 0.6 µW/mm2 600 mA 6.6 V 120°d 1 mm x 1 mm 2.4 mm
  • Click on the blue info icon for complete specifications and LED spectrum.
  • Due to variations in the manufacturing process and operating parameters such as temperature and current, the actual spectral output of any given LED will vary. These values were measured with the back side of the PCB at 25 °C at the maximum current, unless otherwise noted. Output plots and center wavelength specs are only intended to be used as a guideline. Values are typical unless otherwise stated.
  • Irradiance is measured at a distance of 200 mm from the LED. Typical value unless otherwise noted.
  • When driven at a current of 350 mA.
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available
M265D4 Support Documentation
M265D4265 nm, 38.4 mW (Min) LED on Metal-Core PCB, 440 mA
$365.90
Today
M275D2 Support Documentation
M275D2275 nm, 45 mW (Min) LED on Metal-Core PCB, 700 mA
$262.04
Today
M275D3 Support Documentation
M275D3275 nm, 47.3 mW (Min) LED on Metal-Core PCB, 300 mA
$153.33
Today
M280D4 Support Documentation
M280D4280 nm, 78 mW (Min) LED on Metal-Core PCB, 500 mA
$278.52
Today
M300D3 Support Documentation
M300D3300 nm, 26 mW (Min) LED on Metal-Core PCB, 350 mA
$401.50
Today
M310D1 Support Documentation
M310D1308 nm, 38.5 mW (Min) LED on Metal-Core PCB, 600 mA
$495.32
3 weeks
M325D3 Support Documentation
M325D3325 nm, 25 mW (Min) LED on Metal-Core PCB, 600 mA
$532.43
3 weeks
M340D4 Support Documentation
M340D4340 nm, 45.5 mW (Min) LED on Metal-Core PCB, 600 mA
$309.42
Today
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UV LEDs (365 - 405 nm)

Please note that our UV LEDs radiate intense UV light during operation. Precautions must be taken to prevent looking directly at the UV light, and UV light protective glasses must be worn to avoid eye damage. Exposure of the skin and other body parts to UV light should be avoided.

Item # Infoa,b Nominal
Wavelength		 LED Output Power Bandwidth
(FWHM)		 Irradiance
(Typical)c		 Maximum
Current
(CW)		 Forward
Voltage		 Viewing Angle
(Full Angle
at Half Max)		 Emitter Size MCPCB
Thickness
Minimum Typical
M365D2 info 365 nm 1150 mWd 1400 mWd 9 nm 17.6 µW/mm2 d 1700 mA 4.0 V 120° 1.4 mm x 1.4 mm 2.4 mm
M375D4 info 375 nm 1270 mW 1540 mW 9 nm 19.2 µW/mm2 1400 mA 3.6 V 130° 1 mm x 1 mm 2.4 mm
M385D2 info 385 nm 1650 mW 1830 mW 12 nm 23.3 µW/mm2 1700 mA 3.9 V 120° 1.4 mm x 1.4 mm 2.4 mm
M395D3 info 395 nm 400 mW 535 mW 16 nm 6.7 µW/mm2 500 mA 4.5 V 126° 1 mm x 1 mm 2.4 mm
M395D4 info 395 nm 1420 mW 2050 mW 11 nm 22.8 µW/mm2 1400 mA 4.0 V 120° 2.5 mm x 2.5 mm 2.4 mm
M405D2 info 405 nm 1500 mW 1700 mW 12 nm 24.6 µW/mm2 1400 mA 3.45 V 120° 1.4 mm x 1.4 mm 2.5 mm
  • Click on the blue info icon for complete specifications and LED spectrum.
  • Due to variations in the manufacturing process and operating parameters such as temperature and current, the actual spectral output of any given LED will vary. These values were measured with the back side of the PCB at 25 °C at the maximum current, unless otherwise noted. Output plots and center wavelength specs are only intended to be used as a guideline.Values are typical unless otherwise stated.
  • Irradiance is measured at a distance of 200 mm from the LED.
  • When Driven with a Current of 1000 mA
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M365D2 Support Documentation
M365D2365 nm, 1150 mW (Min) LED on Metal-Core PCB, 1700 mA
$222.14
Today
M375D4 Support Documentation
M375D4375 nm, 1270 mW (Min) LED on Metal-Core PCB, 1400 mA
$64.06
Today
M385D2 Support Documentation
M385D2385 nm, 1650 mW (Min) LED on Metal-Core PCB, 1700 mA
$222.14
Today
M395D3 Support Documentation
M395D3395 nm, 400 mW (Min) LED on Metal-Core PCB, 500 mA
$149.69
3 weeks
M395D4 Support Documentation
M395D4395 nm, 1420 mW (Min) LED on Metal-Core PCB, 1400 mA
$222.14
3 weeks
M405D2 Support Documentation
M405D2405 nm, 1500 mW (Min) LED on Metal-Core PCB, 1400 mA
$222.14
Today
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Single-Color Cold Visible LEDs (415 - 565 nm)

Please note that the 415 nm (violet), 430 nm (violet), and 450 nm (royal blue) LEDs radiate intense UV light during operation. Precautions must be taken to prevent looking directly at the UV light, and UV light protective glasses must be worn to avoid eye damage. Exposure of the skin and other body parts to the UV light should be avoided.

Item # Infoa,b Nominal
Wavelengthc		 LED Output Power Bandwidth
(FWHM)		 Irradiance
(Typical)d		 Maximum
Current
(CW)		 Forward
Voltage		 Viewing Angle
(Full Angle
at Half Max)		 Emitter Size MCPCB
Thickness
Minimum Typical
M415D2 info 415 nm 1640 mW 1940 mW 14 nm 19.5 µW/mm2 2000 mA 3.15 V 138° 1.4 mm x 1.4 mm 2.4 mm
M430D3 info 430 nm 529.2 mW 757.6 mW 17 nm 25.7 µW/mm2 500 mA 3.66 V 126° e 1 mm x 1 mm 2.4 mm
M450D4 info 450 nm 2118.1 mW 3041.5 mW 18 nm 34.2 µW/mm2 2000 mA 3.2 V 120° f 1.5 mm x 1.5 mm 2.4 mm
M455D3 info 455 nm 1150 mW 1445 mW 18 nm 32 µW/mm2 1000 mA 3.25 V 80° 1 mm x 1 mm 1.6 mm
M470D4 info 470 nm 809 mW 1161.7 mW 28 nm 21.4 µW/mm2 1000 mA 3.8 V 80° 1 mm x 1 mm 1.6 mm
M490D3 info 490 nm 205 mW 240 mW 26 nm 2.5 µW/mm2 350 mA 3.8 V (Max) 128° 1 mm x 1 mm 2.4 mm
M505D3 info 505 nm 400 mW 520 mW 37 nm 5.94 µW/mm2 1000 mA 3.5 V 130° 1 mm x 1 mm 1.6 mm
M530D3 info 530 nm 370 mW 480 mW 35 nm 9.46 µW/mm2 1000 mA 3.6 V 80° 1 mm x 1 mm 1.6 mm
MINTD3 info 554 nm 650 mW 815 mW - 12.4 µW/mm2 1225 mA 3.5 V 120° 1 mm x 1 mm 2.4 mm
M565D2g info 565 nm 880 mW 979 mW 104 nm 11.7 µW/mm2 1000 mA 3.1 V (Max) 125° 1 mm x 1 mm 1.6 mm
  • Click on the blue info icon for complete specifications and LED spectrum.
  • Due to variations in the manufacturing process and operating parameters such as temperature and current, the actual spectral output of any given LED will vary. These values were measured with the back side of the PCB at 25 °C at the maximum current, unless otherwise noted. Output plots and center wavelength specs are only intended to be used as a guideline. Values are typical unless otherwise stated.
  • The nominal wavelength indicates the wavelength at which the LED appears brightest to the human eye. The nominal wavelength for visible LEDs may not correspond to the peak wavelength as measured by a spectrometer.
  • Irradiance is measured at a distance of 200 mm from the LED.
  • When driven with a Current of 100 mA
  • When driven with a Current of 700 mA
  • This LED is phosphor-converted and may not turn off completely when modulated above 10 kHz at duty cycles below 50%.
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M415D2 Support Documentation
M415D2415 nm, 1640 mW (Min) LED on Metal-Core PCB, 2000 mA
$81.53
3 weeks
M430D3 Support Documentation
M430D3430 nm, 529.2 mW (Min) LED on Metal-Core PCB, 500 mA
$91.24
Today
M450D4 Support Documentation
M450D4450 nm, 2118.1 mW (Min) LED on Metal-Core PCB, 2000 mA
$67.82
Today
M455D3 Support Documentation
M455D3455 nm, 1150 mW (Min) LED on Metal-Core PCB, 1000 mA
$57.83
Today
M470D4 Support Documentation
M470D4470 nm, 809 mW (Min) LED on Metal-Core PCB, 1000 mA
$70.68
Today
M490D3 Support Documentation
M490D3490 nm, 205 mW (Min) LED on Metal-Core PCB, 350 mA
$84.94
Today
M505D3 Support Documentation
M505D3505 nm, 520 mW (Typ.) LED on Metal-Core PCB, 1000 mA
$81.38
Today
M530D3 Support Documentation
M530D3530 nm, 370 mW (Min) LED on Metal-Core PCB, 1000 mA
$81.38
Today
MINTD3 Support Documentation
MINTD3554 nm, 650 mW (Min) LED on Metal-Core PCB, 1225 mA
$135.68
Today
M565D2 Support Documentation
M565D2565 nm, 880 mW (Min) LED on Metal-Core PCB, 1000 mA
$68.90
Today
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Single-Color Warm Visible LEDs (590 - 730 nm)

Item # Infoa,b Nominal
Wavelengthc		 LED Output Power Bandwidth
(FWHM)		 Irradiance
(Typical)d		 Maximum
Current
(CW)		 Forward
Voltage		 Viewing Angle
(Full Angle
at Half Max)		 Emitter Size MCPCB
Thickness
Minimum Typical
M590D3 info 590 nm 230 mW 300 mW 15 nm 6.0 µW/mm2 1000 mA 2.5 V 80° 1 mm x 1 mm 1.6 mm
M595D3e info 595 nm 820 mW 1217 mW 64 nm 13.5 µW/mm2 1500 mA 3.0 V 120° 2.9 mm x 2.9 mm 2.4 mm
M617D4 info 617 nm 737.4 mW 1006.2 mW 16 nm 19.4 µW/mm2 1000 mA 2.9 V 80°f 1 mm x 1 mm 1.6 mm
M625D3 info 625 nm 700 mW 920 mW 17 nm 21.9 µW/mm2 1000 mA 2.5 V 80° 1 mm x 1 mm 1.6 mm
M660D2 info 660 nm 940 mW 1050 mW 20 nm 20.9 µW/mm2 1200 mA 2.6 V 120° 1.5 mm x 1.5 mm 1.6 mm
M680D2 info 680 nm 180 mW 210 mW 22 nm 14.5 µW/mm2 600 mA 2.5 V 18° 1 mm x 1 mm 2.4 mm
M700D2 info 700 nm 80 mW 125 mW 20 nm 1.0 µW/mm2 500 mA 2.7 V 128° 1 mm x 1 mm 2.4 mm
M730D3 info 730 nm 540 mW 680 mW 40 nm 13.1 µW/mm2 1000 mA 2.9 V 80° 1 mm x 1 mm 1.6 mm
  • Click on the blue info icon to view a typical spectrum for the LED.
  • Due to variations in the manufacturing process and operating parameters such as temperature and current, the actual spectral output of any given LED will vary. These values were measured with the back side of the PCB at 25 °C at the maximum current, unless otherwise noted. Output plots and center wavelength specs are only intended to be used as a guideline. Values are typical unless otherwise stated.
  • The nominal wavelength indicates the wavelength at which the LED appears brightest to the human eye. The nominal wavelength for visible LEDs may not correspond to the peak wavelength as measured by a spectrometer.
  • Irradiance is measured at a distance of 200 mm from the LED.
  • This LED is phosphor-converted and may not turn off completely when modulated above 10 kHz at duty cycles below 50%.
  • When Driven at the Current of 350 mA
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M590D3 Support Documentation
M590D3590 nm, 230 mW (Min) LED on Metal-Core PCB, 1000 mA
$74.62
Today
M595D3 Support Documentation
M595D3595 nm, 820 mW (Min) LED on Metal-Core PCB, 1500 mA
$93.32
Today
M617D4 Support Documentation
M617D4617 nm, 737.4 mW (Min) LED on Metal-Core PCB, 1000 mA
$69.99
Today
M625D3 Support Documentation
M625D3625 nm, 700 mW (Min) LED on Metal-Core PCB, 1000 mA
$79.15
Today
M660D2 Support Documentation
M660D2660 nm, 940 mW (Min) LED on Metal-Core PCB, 1200 mA
$76.61
3 weeks
M680D2 Support Documentation
M680D2Customer Inspired! 680 nm, 180 mW (Min) LED on Metal-Core PCB, 600 mA
$90.87
Today
M700D2 Support Documentation
M700D2700 nm, 80 mW (Min) LED on Metal-Core PCB, 500 mA
$90.87
Today
M730D3 Support Documentation
M730D3730 nm, 540 mW (Min) LED on Metal-Core PCB, 1000 mA
$84.80
Today
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IR LEDs (780 - 1900 nm)

Item # Infoa,b Nominal
Wavelength		 LED Output Power Bandwidth
(FWHM)		 Irradiance
(Typical)c		 Maximum
Current
(CW)		 Forward
Voltage		 Viewing Angle
(Full Angle
at Half Max)		 Emitter Size MCPCB
Thickness
Minimum Typical
M780D2 info 780 nm 200 mW 300 mW 28 nm 47.3 µW/mm2 800 mA 2.0 V 20° 1 mm x 1 mm 2.4 mm
M780D3 info 780 nm 800 mW 950 mW 30 nm 13.3 µW/mm2 800 mA 7.8 V 120° Ø3 mm
(3 Emitters)		 1.6 mm
M810D4 info 810 nm 810 mW 1190 mW 30 nm 15.9 µW/mm2 1000 mA 3.6 V 128° 1 mm x 1 mm 2.4 mm
M850D2 info 850 nm 900 mW 1100 mW 30 nm 22.9 µW/mm2 1200 mA 2.95 V 90° 1 mm x 1 mm 1.6 mm
M850D3 info 850 nm 1400 mW 1600 mW 30 nm 19.4 µW/mm2 1500 mA 3.85 V (Max) 150° 1 mm x 1 mm 1.6 mm
M880D2 info 880 nm 300 mW 350 mW 50 nm 5.6 µW/mm2 1000 mA 1.7 V 132° 1 mm x 1 mm 2.4 mm
M940D2 info 940 nm 800 mW 1000 mW 37 nm 19.1 µW/mm2 1000 mA 2.75 V 90° 1 mm x 1 mm 1.6 mm
M970D3 info 970 nm 600 mW 720 mW 60 nm 7.4 µW/mm2 1000 mA 1.9 V 130° 1 mm x 1 mm 2.4 mm
M1050D1 info 1050 nm 50 mW 70 mW 60 nm 1.9 µW/mm2 700 mA 1.5 V 120° 1 mm x 1 mm 2.4 mm
M1050D3 info 1050 nm 160 mW 210 mW 37 nm 3.7 µW/mm2 600 mA 1.6 V (Max) 128° 1 mm x 1 mm 2.4 mm
M1100D1 info 1100 nm 168 mW 252 mW 50 nm 18.1 µW/mm2 1000 mA 1.4 V 18° 1 mm x 1 mm 2.4 mm
M1200D3 info 1200 nm 136 mW 200 mW 65 nm 2.6 µW/mm2 1000 mA 2.2 V 130° 1 mm x 1 mm 2.4 mm
M1300D2 info 1300 nm 25 mW 30 mW 80 nm 0.6 µW/mm2 500 mA 1.4 V 134° 1 mm x 1 mm 2.4 mm
M1300D3 info 1300 nm 122.8 mW 182.1 mW 80 nm 1.6 µW/mm2 1000 mA 1.7 V 130° 1 mm x 1 mm 2.4 mm
M1450D3 info 1450 nm 81.8 mW 120.7 mW 95 nm 1.5 µW/mm2 700 mA 1.88 V 130° 1 mm x 1 mm 2.4 mm
M1550D3 info 1550 nm 46 mW 70 mW 120 nm 1.1 µW/mm2 1000 mA 1.3 V 128°d 1 mm x 1 mm 2.4 mm
M1650D2 info 1650 nm 13 mW 16 mW 120 nm 1.2 µW/mm2 600 mA 1.1 V 20° 1 mm x 1 mm 2.4 mm
M1900D1 info 1900 nm 10 mW 15 mW 120 nm 2.2 µW/mm2 1000 mA 1.2 V 18° 1 mm x 1 mm 2.4 mm
  • Click on the blue info icon for complete specifications and LED spectrum.
  • Due to variations in the manufacturing process and operating parameters such as temperature and current, the actual spectral output of any given LED will vary. These values were measured with the back side of the PCB at 25 °C at the maximum current, unless otherwise noted. Output plots and center wavelength specs are only intended to be used as a guideline. Values are typical unless otherwise stated.
  • Irradiance is measured at a distance of 200 mm from the LED.
  • When Driven at the Current of 100 mA
Based on your currency / country selection, your order will ship from Newton, New Jersey  
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M780D2 Support Documentation
M780D2780 nm, 200 mW (Min) LED on Metal-Core PCB, 800 mA
$68.90
Today
M780D3 Support Documentation
M780D3780 nm, 800 mW (Min) LED on Metal-Core PCB, 800 mA
$123.54
Today
M810D4 Support Documentation
M810D4810 nm, 810 mW (Min) LED on Metal-Core PCB, 1000 mA
$121.15
Today
M850D2 Support Documentation
M850D2850 nm, 900 mW (Min) LED on Metal-Core PCB, 1200 mA
$68.90
Lead Time
M850D3 Support Documentation
M850D3850 nm, 1400 mW (Min) LED on Metal-Core PCB, 1500 mA
$134.24
Today
M880D2 Support Documentation
M880D2880 nm, 300 mW (Min) LED on Metal-Core PCB, 1000 mA
$68.90
Today
M940D2 Support Documentation
M940D2940 nm, 800 mW (Min) LED on Metal-Core PCB, 1000 mA
$68.90
Today
M970D3 Support Documentation
M970D3970 nm, 600 mW (Min) LED on Metal-Core PCB, 1000 mA
$87.35
Today
M1050D1 Support Documentation
M1050D11050 nm, 50 mW (Min) LED on Metal-Core PCB, 700 mA
$81.38
3 weeks
M1050D3 Support Documentation
M1050D31050 nm, 160 mW (Min) LED on Metal-Core PCB, 600 mA
$194.49
3 weeks
M1100D1 Support Documentation
M1100D11100 nm, 168 mW (Min) LED on Metal-Core PCB, 1000 mA
$212.96
Lead Time
M1200D3 Support Documentation
M1200D31200 nm, 136 mW (Min) LED on Metal-Core PCB, 1000 mA
$165.45
Today
M1300D2 Support Documentation
M1300D2Customer Inspired! 1300 nm, 25 mW (Min) LED on Metal-Core PCB, 500 mA
$126.35
Today
M1300D3 Support Documentation
M1300D31300 nm, 122.8 mW (Min) LED on Metal-Core PCB, 1000 mA
$169.10
Today
M1450D3 Support Documentation
M1450D31450 nm, 81.8 mW (Min) LED on Metal-Core PCB, 1000 mA
$163.19
Today
M1550D3 Support Documentation
M1550D31550 nm, 46 mW (Min) LED on Metal-Core PCB, 1000 mA
$178.85
3 weeks
M1650D2 Support Documentation
M1650D21650 nm, 13 mW (Min) LED on Metal-Core PCB, 600 mA
$209.63
3 weeks
M1900D1 Support Documentation
M1900D11900 nm, 10 mW (Min) LED on Metal-Core PCB, 1000 mA
$224.44
Today
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Mid-IR LEDs (3400 - 5200 nm)

Item # Infoa,b Nominal
Wavelength		 LED Output Power Bandwidth
(FWHM)		 Maximum
Current
(CW)		 Forward
Voltage		 Viewing Angle
(Full Angle
at Half Max)		 Emitter Size MCPCB
Thickness
Minimum Typical
M3400D1 info 3400 nm 2.2 mW 3.3 mW 800 nm 200 mA 4.1 V 130° 0.8 mm x 1 mm 1.6 mm
M4300D1 info 4300 nm 1.1 mW 1.67 mW 800 nm 200 mA 3.9 V 130° 0.8 mm x 1 mm 1.6 mm
M5200D1 info 5200 nm 0.8 mW 1.3 mW 800 nm 200 mA 4 V 130° 0.8 mm x 1 mm 1.6 mm
  • Click on the blue info icon for complete specifications and LED spectrum.
  • Due to variations in the manufacturing process and operating parameters such as temperature and current, the actual spectral output of any given LED will vary. These values were measured with the back side of the PCB at 25 °C at the maximum current, unless otherwise noted. Output plots and center wavelength specs are only intended to be used as a guideline. Values are typical unless otherwise stated.
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M3400D1 Support Documentation
M3400D13400 nm, 2.2 mW (Min) LED on Metal-Core PCB, 200 mA
$1,182.25
Today
M4300D1 Support Documentation
M4300D14300 nm, 1.1 mW (Min) LED on Metal-Core PCB, 200 mA
$1,182.25
Lead Time
M5200D1 Support Documentation
M5200D15200 nm, 0.8 mW (Min) LED on Metal-Core PCB, 200 mA
$1,159.08
Today
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Purple LED (455 nm / 640 nm)

Our dual-peak LED was designed for applications requiring illumination in both red and blue portions of the spectrum, such as horticulture. This purple LED features dual peaks at 455 nm and 640 nm, respectively, to stimulate photosynthesis (see graph to compare the absorption peaks of photosynthesis pigments with the LED spectrum). The LED was designed to maintain the red/blue ratio of the emission spectrum over its lifetime to provide high uniformity of plant growth.

Item # Infoa,b Nominal
Wavelength		 LED Output Power Bandwidth
(FWHM)		 Irradiance
(Typical)c		 Maximum
Current
(CW)		 Forward
Voltage		 Viewing Angle
(Full Angle
at Half Max)		 Emitter Size MCPCB
Thickness
Minimum Typical
MPRP1D2d info 455 nm (12.5%e)
/ 640 nm		 275 mW 325 mW N/A 3.7 µW/mm2 300 mA 3.1 V 115° 1 mm x 2 mm 1.6 mm
  • Click on the blue info icon for complete specifications and LED spectrum.
  • Due to variations in the manufacturing process and operating parameters such as temperature and current, the actual spectral output of any given LED will vary. These values were measured with the back side of the PCB at 25 °C at the maximum current, unless otherwise noted. Output plots and center wavelength specs are only intended to be used as a guideline. Values are typical unless otherwise stated.
  • Irradiance is measured at a distance of 200 mm from the LED.
  • This LED is phosphor-converted and may not turn off completely when modulated above 10 kHz at duty cycles below 50%.
  • Percentage of LED intensity that emits in the blue portion of the spectrum, from 400 nm to 525 nm. Click on the blue info icon for details.
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MPRP1D2 Support Documentation
MPRP1D2455 nm (12.5%) / 640 nm, 275 mW (Min) LED on Metal-Core PCB, 300 mA
$47.76
Lead Time
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White LEDs (400 - 700 nm Wavelength Range)

Our warm, neutral, and cold white LEDs feature broad spectra that span several hundred nanometers. The difference in appearance among these LEDs can be described using the correlated color temperature, which indicates that the LEDs color appearance is similar to a black body radiator at that temperature. In general, warm white LEDs offer a spectrum similar to a tungsten source, while cold white LEDs have a stronger blue component to the spectrum; neutral white LEDs provide a more even illumination spectrum over the visible range than warm white or cold white LEDs. Cold white LEDs are more suited for fluorescence microscopy applications or cameras with white balancing, because of a higher intensity at most wavelengths compared to warm white LEDs. Neutral white LEDs are ideal for horticultural applications.

Item # Infoa,b Correlated Color
Temperature		 LED Output Power Bandwidth
(FWHM)		 Irradiance
(Typical)c		 Maximum
Current
(CW)		 Forward
Voltage		 Viewing Angle
(Full Angle
at Half Max)		 Emitter Size MCPCB
Thickness
Minimum Typical
MWWHD4d info 3000 K 1713 mW 2499 mW N/A 27.2 µW/mm2 700 mA 12.1 V 135° Ø3.6 mm 1.6 mm
MWUVD1d info 4000 Ke 235 mW 338 mW N/A 4.0 µW/mm2 125 mA 6.3 V 120°f 2 mm x 1 mm 1.6 mm
MNWHD3d info 4000 K 1400 mWg 2040 mWg N/A 25 µW/mm2 g 2500 mA 3.1 Vg 120°h Ø1.58 mm 2.4 mm
MNWHD2d info 4900 K 740 mW 880 mW N/A 7.7 µW/mm2 1225 mA 2.9 V 150° 1 mm x 1 mm 2.4 mm
MCWHD5d info 6500 K 930 mW 1370 mW N/A 25.9 µW/mm2 1300 mA 3.3 V 80° 1 mm x 1 mm 1.6 mm
MCWHD6d info 6500 K 942 mW 1353 mW N/A 11.8 µW/mm2 1300 mA 4.51 V 150° 1 mm x 1 mm 1.6 mm
MCWHD8d info 6500 K 1300.9 mW 1882.0 mW N/A 22.5 µW/mm2  2000 mA 3.6 V 125° Ø3 mm 1.6 mm
MCWHD7d info 6500 K 2064.8 mW 2998.0 mW N/A 33.3 µW/mm2 700 mA 12.9 V 135° Ø3.7 mm 1.6 mm
  • Click on the blue info icon for complete specifications and LED spectrum.
  • Due to variations in the manufacturing process and operating parameters such as temperature and current, the actual spectral output of any given LED will vary. These values were measured with the back side of the PCB at 25 °C at the maximum current, unless otherwise noted. Output plots and center wavelength specs are only intended to be used as a guideline. Values are typical unless otherwise stated.
  • Irradiance is measured at a distance of 200 mm from the LED.
  • This LED is phosphor-converted and may not turn off completely when modulated above 10 kHz at duty cycles below 50%.
  • Neutral White LED Spectrum with a Peak at 406 nm
  • When Driven with a Pulsed Forward Current of 75 mA
  • When Driven with 2000 mA Current
  • When Driven with 700 mA Current
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MWWHD4 Support Documentation
MWWHD43000 K, 1713 mW (Min) LED on Metal-Core PCB, 700 mA
$82.21
Today
MWUVD1 Support Documentation
MWUVD14000 K, 235 mW (Min) LED on Metal-Core PCB, 125 mA
$59.97
3 weeks
MNWHD3 Support Documentation
MNWHD34000 K, 1400 mW (Min) LED on Metal-Core PCB, 2500 mA
$76.76
Today
MNWHD2 Support Documentation
MNWHD24900 K, 740 mW (Min) LED on Metal-Core PCB, 1225 mA
$52.41
Today
MCWHD5 Support Documentation
MCWHD56500 K, 930 mW (Min) LED on Metal-Core PCB, 1300 mA
$69.76
Today
MCWHD6 Support Documentation
MCWHD66500 K, 942 mW (Min) LED on Metal-Core PCB, 1300 mA
$68.33
Today
MCWHD8 Support Documentation
MCWHD86500 K, 1300.9 mW (Min) LED on Metal-Core PCB, 2000 mA
$73.87
Today
MCWHD7 Support Documentation
MCWHD76500 K, 2064.8 mW (Min) LED on Metal-Core PCB, 700 mA
$86.17
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Broadband LEDs

The MBB1D1 broadband LED has a relatively flat spectral emission over a wide wavelength range. Its 10 dB bandwidth ranges between 470 nm and 850 nm. The MBB2D1 broadband LED features a spectrum with peaks at approximately 770 nm, 860 nm, and 940 nm.

Item # Infoa,b Wavelength LED Output Power Bandwidth
(FWHM)		 Irradiance
(Typical)c		 Maximum
Current
(CW)		 Forward
Voltage		 Viewing Angle
(Full Angle
at Half Max)		 Emitter Size MCPCB
Thickness
Minimum Typical
MBB1D1d info 470 - 850 nm
(10 dB Bandwidth)		 70 mW 80 mW 280 nm 0.9 µW/mm2 500 mA 3.6 V 120° 1 mm x 1 mm 2.4 mm
MBB2D1 info 770 nm, 860 nm & 940 nm
(Peak Wavelengths)		 740 mW 1090 mW N/A 13.5 µW/mm2 1000 mA 4.8 V 120° 1 mm x 1 mm 1.6 mm
  • Click on the blue info icon for complete specifications and LED spectrum.
  • Due to variations in the manufacturing process and operating parameters such as temperature and current, the actual spectral output of any given LED will vary. These values were measured with the back side of the PCB at 25 °C at the maximum current, unless otherwise noted. Output plots and center wavelength specs are only intended to be used as a guideline. Values are typical unless otherwise stated.
  • Irradiance is measured at a distance of 200 mm from the LED.
  • The LED may not turn off completely when modulated at frequencies above 1 kHz with a duty cycle of 50%, as the broadband emission is produced by optically stimulating emission from phosphor. For modulation at frequencies above 1 kHz, the duty cycle may be reduced. For example, 10 kHz modulation is attainable with a duty cycle of 5%
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MBB1D1 Support Documentation
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LED Connection Cable

 Pin Code
Male M8x1 Connector		 Pin Description Wire Color
1 LED Anode Brown
2 LED Cathode White
3 EEPROM GND Black
4 EEPROM IO Blue
  • 4-Pin M8 Connector on One Side
  • 4 Bare Wires on Other Side
  • 2 m Long, 24 AWG Wires

The 4-Pin M8 connection cable can be used to connect the LEDs on metal-core PCBs to the following Thorlabs LED drivers: LEDD1B, DC40, DC2200, DC4100, and DC4104 (the latter two require the DC4100-HUB).

Pin Connections 
The diagram above shows the male connector for use with the above Thorlabs LED drivers. The connector is a standard M8x1 sensor circular connector. Pins 1 and 2 are the connection to the LED. Please note that the bare PCB board LEDs shown on this page do not include an EEPROM like our mounted LEDs; hence pins 3 and 4 should not be connected. Also, note that the pin connection diagram shown here may not be valid for third-party LED drivers.

For customers using their own power supplies, we also offer a female 4-pin M8 connector cable (item # CON8ML-4).

Based on your currency / country selection, your order will ship from Newton, New Jersey  
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CAB-LEDD1 Support Documentation
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Additional Light Emitting Diodes (LEDs)
  • Unmounted LEDs

  • High-Power UV LEDs with Ball Lens

  • Pigtailed LEDs, MM Fiber

  • Unmounted LEDs in SMT Packages

  • LEDs on Metal-Core PCBs

  • Mounted LEDs

  • Collimated LEDs

  • High-Power Solis® LEDs for Microscopy

  • Cage-Compatible Diffuse Backlight LED

  • LED Ring Light Array

  • 4-Channel Collimated LED Source

  • Chrolis™ 6-Wavelength High-Power LED Sources

  • Fiber-Coupled LEDs

  • Illumination Kits

  • High Power UV Curing LED System

  • LED Array Lamps

  • LED Lab Lighting

  • Mode-Conditioned Light Sources

  • Current Controllers for LEDs