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C30921E डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - (C309xxx) Silicon Avalanche Photodiodes - PerkinElmer Optoelectronics

भाग संख्या C30921E
समारोह (C309xxx) Silicon Avalanche Photodiodes
मैन्युफैक्चरर्स PerkinElmer Optoelectronics 
लोगो PerkinElmer Optoelectronics लोगो 
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C30921E pdf
C30902E, C30902S, C30921E, C30921S
The C30902S and C30921S are selected C30902E and
C30921E photodiodes having extremely low noise and bulk
dark-current. They are intended for ultra-low light level
applications (optical power less than 1 pW) and can be used in
either their normal linear mode (VR < VBR) at gains up to 250
or greater, or as photon counters in the "Geiger" mode (VR >
VBR) where a single photoelectron may trigger an avalanche
pulse of about 108 carriers. In this mode, no amplifiers are
necessary and single-photon detection probabilities of up to
approximately 50% are possible.
Photon-counting is also advantageous where gating and
coincidence techniques are employed for signal retrieval.
Figure 1. Typical Spectral Responsivity at 22°C
Optical Characteristics
C30902E, C30902S (Figure 13)
Photosensitive Surface:
Shape . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Circular
Useful area . . . . . . . . . . . . . . . . . . . . . . . . . .0.2 mm2
Useful diameter . . . . . . . . . . . . . . . . . . . . . . .0.5 mm
Field of View:
Approximate full angle for totally
illuminated photosensitive surface . . . . . . . . .100 deg
C30921E, C30921S (Figure 14)
Numerical Aperture of Light Pipe . . . . . . . . . . . . .0.55
Refractive Index (n) of Core . . . . . . . . . . . . . . . . .1.61
Lightpipe Core Diameter . . . . . . . . . . . . . . . . . . . .0.25 mm
Maximum Ratings, Absolute-Maximum Values (All Types)
Reverse Current at 22°C:
Average value, continuous operation
Peak value
(for 1 second duration, non-repetitive)
Forward Current, IF at 22°C:
Average value, continuous
operation
Peak value (for 1 second
duration, non-repetitive)
Maximum Total Power Dissipation at 22°C
Ambient Temperature:
Storage, Tstg
Operating, TA
Soldering (for 5 seconds)
200 µA
1 mA
5 mA
50 mA
60 mW
-60 to +100°C
-40 to +70°C
200°C
Figure 2. Typical Quantum Efficiency vs. Wavelength
Figure 3. Typical Noise Current vs. Gain

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