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C30921S 반도체 회로 부품 판매점

(C309xxx) Silicon Avalanche Photodiodes



PerkinElmer Optoelectronics 로고
PerkinElmer Optoelectronics
C30921S 데이터시트, 핀배열, 회로
Description
Silicon Avalanche Photodiodes
PerkinElmer Type C30902E avalanche
photodiode utilizes a silicon detector chip
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. 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 TO-
18 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.
C30902E, C30902S, C30921E, C30921S
High Speed Solid State Detectors for
Fiber Optic and Very Low Light-Level Applications
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
• High Responsivity - Internal Avalanche Gains in Excess of 150
• Spectral Response Range - (10% Points) 400 to 1000 nm
• Time Response - Typically 0.5 ns
• Wide Operating Temperature Range - -40°C to +70°C
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.
EVERYTHING
IN A
NEW
LIGHT.


C30921S 데이터시트, 핀배열, 회로
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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C30921S diode

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