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C30921S

PerkinElmer Optoelectronics
Part Number C30921S
Manufacturer PerkinElmer Optoelectronics
Description (C309xxx) Silicon Avalanche Photodiodes
Published Jan 22, 2006
Detailed Description Description PerkinElmer Type C30902E avalanche photodiode utilizes a silicon detector chip fabricated with a double-diff...
Datasheet PDF File C30921S PDF File

C30921S
C30921S


Overview
Description PerkinElmer Type C30902E avalanche photodiode utilizes a silicon detector chip fabricated with a double-diffused "reachthrough" structure.
This structure provides high responsivity between 400 and 1000 nm as well as extremely fast rise and fall times at all wavelengths.
Because the fall time characteristics have no "tail”, 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 TO18 package.
The useful diameter of the photosensitive surface is 0.
5 mm.
PerkinElmer Type C30921E utilizes the same silicon detector chip as the C30902E, but in a package containing a lightpipe which allows efficient coupling of light to the detector from either a focussed spot or an optical fiber up to 0.
25 mm in diameter.
The internal end of the lightpipe is close enough to the detector surface to allow all of the illumination exiting the lightpipe to fall within the active-area of the detector.
The hermetically-sealed TO-18 package allows fibers to be epoxied to the end of the lightpipe to minimize signal losses without fear of endangering detector stability.
The C30902E and C309021E are designed for a wide variety of uses including optical communications at data rates to 1 GBit/second, laser range-finding, and any other applications requiring high speed and/or high responsivity.
Silicon Avalanche Photodiodes C30902E, C30902S, C30921E, C30921S High Speed Solid State Detectors for Fiber Optic and Very Low Light-Level Applications EVERYTHING IN A NEW LIGHT.
Features • High Quantum Efficiency 77% Typical at 830 nm • C30902S and C30921S in Geiger Mode: Single-Photon Detection Probability to 50% Low Dark-Count Rate at 5% Detection Probability - Typically 15,000/second at +22°C 350/second at -25°C Count Rates to 2 x 106/second • Hermetically Sealed Package • Low Noise at Room Temperature C30902E, C30921E - 2.
3 x 10-13 A/Hz1/2 C30902S, C30921S - 1.
1 x 10-13 A/Hz1/2 ...


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