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C30921SH

Excelitas
Part Number C30921SH
Manufacturer Excelitas
Published Oct 10, 2015
Description High-speed solid state detectors
Detailed Description DATASHEET Photon Detection C30902 and C30921 Series High-speed solid state detectors for low light level applications ...
Datasheet PDF File C30921SH PDF File

C30921SH
C30921SH


Overview
DATASHEET Photon Detection C30902 and C30921 Series High-speed solid state detectors for low light level applications The C30902EH series of avalanche photodiodes is ideal for a wide range of applications, including LIDAR, range-finding, small-signal fluorescence, photon counting and bar code scanning.
Excelitas Technologies’ C30902EH series of avalanche photodiodes is fabricated with a double-diffused “reach-through” structure.
This structure provides high responsivity between 400 and 1000 nm as well as extremely fast rise and fall times at all wavelengths.
The responsivity of the device is independent of modulation frequency up to about 800 MHz.
The detector chip is hermetically-sealed behind a flat glass window in a modified TO-18 package.
The useful diameter of the photosensitive surface is 0.
5 mm.
The C30921EH is packaged in a lightpipe TO-18 which allows efficient coupling of light to the detector from either a focused spot or an optical fiber up to 0.
25 mm in diameter.
The hermetically-sealed TO-18 package allows fibers to be mated to the end of the lightpipe to minimize signal losses without fear of endangering detector stability.
The C30902EH-2 or C30902SH-2, with hermetic TO-18 package with inline 905nm passband filter and the C30902BH, with hermetic ball lens, complete the C30902 family.
Key Features  High quantum efficiency: 77% typical at 830 nm  C30902SH and C30921SH can be operated in Geiger mode  C30902EH/SH-2 version with built-in 905 nm filter  C30902BH version with ball-lens  Hermetically sealed package  Low Noise at room temperature  High responsivity – internal avalanche gains in excess of 150  Spectral response range – (10% Q.
E.
points) 400 to 1000 nm  Time response – typically 0.
5 ns  Wide operating temperature range -40°C to +70°C  RoHS compliant Applications  LIDAR  Range finding  Small-signal fluorescence  Photon counting  Bar code scanning Both C30902SH and C30921SH are selected C30902EH and C30921EH photodiodes having ...


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