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Since the proper wavelengths are critical in matching both LED emitters and detector we are pleased to present the Marktech Spectrum Selector Guide©.

Whether you are simply using an LED as a visible light source (such as a VMS sign) or to detect the chemical properties of various materials, understanding what wavelengths work best is crucial. Marktech with almost 30 years' experience in the optoelectronic industry helps make things a bit simpler by presenting our spectrum selector guide.

The guide is organized by the spectrum range beginning at the 265nm UV (ultra violet) range and going up to 2600nm (shortwave infrared). There are three product categories beginning left to right, Detectors, Emitters and High Brightness LEDs. Marktech groups its various products by wavelengths under each category. By simply clicking each button on either side of the spectrum a listing of all our products that correspond to these wavelengths will appear. In addition next to each part number we have attached the spec sheet and a link (if applicable) to Digi-key to obtain samples.

Related Resource: Spectral Range



CREE DA LED Chips

The bondpad-down design allows for eutectic die attach, eliminating the need for wire bonds, and enables superior performance from improved thermal management. The design is optimally suited for industry-standard top-view packages.

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TR Chips

The TR LEDs are among the brightest in the sideview market while delivering a low forward voltage resulting in a very bright and highly efficient solution for the 0.4-mm, 0.6-mm and 0.8-mm sideview market. The design is optimally suited for industry-standard sideview packages as it is die attachable with clear epoxy and has two top contacts, consistent with industry-standard packaging.

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CREE Mega Bright

Cree's MB Generation II series of MegaBright© LEDs combine highly efficient InGaN materials with Cree's proprietary G·SiC© substrate to deliver superior price/performance for high-intensity LEDs. These LED chips have a geometrically enhanced vertical chip structure to maximize light extraction efficiency and require only a single wire bond connection.

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Cree EZBright P-Pad Up LED Chips

Cree's EZBright® LEDs are the newest generation of solid-state LED emitters that combine highly efficient InGaN materials with Cree's proprietary optical design and device submount technology to deliver superior value for high-intensity LEDs. The optical design maximizes light extraction efficiency and enables a Lambertian radiation pattern.

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Cree EZBright N-Pad Up LED Chips

Cree's EZBright® LEDs are the newest generation of solid-state LED emitters that combine highly efficient InGaN materials with Cree's proprietary optical design and device submount technology to deliver superior value for high-intensity LEDs. The optical design maximizes light extraction efficiency and enables a Lambertian radiation pattern.

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Cree Ultra Thin LED Chips

Cree's UltraThin© LEDs combine highly efficient InGaN materials with Cree's proprietary G·SiC© substrate to deliver superior price/performance for blue LEDs. These vertically structured LED chips are small in size and require a low forward voltage. Cree's UT™ series chips are tested for conformity to optical and electrical specifications and the ability to withstand 1000-V ESD.

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IR Chips

Our IR die can be obtained in blue sheet form or waffle packed. These chips exhibit some of the highest power output available on the market. Multiple configurations such as P-up or P-down and multiple materials including GaAs, GaAlAs and InGaAs are available. These chips can also be custom packaged to meet your specific requirements.

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UV Chips

Marktech offers one of the widest selections of UV chips. Our Ultra Violet Chip range is available in flip-chip types with options for bare chips or attached to a sub-mount for easy assembly. These chips come on membrane and wavelength, power output (Po) and forward voltage (Vf) sorting are available.

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CREE X Thin Chips

These vertically structured LED chips are approximately 115 microns in height and require a low forward voltage. Cree's XT™ chips are tested for conformity to optical and electrical specifications and the ability to withstand 1000-V ESD.

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280 - 420
440 - 700
720 - 950
625 - 850
1020 - 1720
280 - 2,600
470 - 950
150 - 450
400 - 1100
400 - 1100
800 - 950
800 - 1750
150 - 1720
450 - 624
450 - 624
450 - 624
400 - 650
450 - 624
450 - 624
450 - 624
280 - 2600
450 - 624
450 - 470
450 - 527
450 - 527
450 - 527
450 - 527
450 - 527
760 - 1720
280 - 400
450 - 527