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What is C30902?

This electronic component, produced by the manufacturer "PerkinElmer Optoelectronics", performs the same function as "Silicon Avalanche Photodiodes".


C30902 Datasheet PDF - PerkinElmer Optoelectronics

Part Number C30902
Description Silicon Avalanche Photodiodes
Manufacturers PerkinElmer Optoelectronics 
Logo PerkinElmer Optoelectronics Logo 


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Silicon Avalanche Photodiodes
C30902 Series
High Speed APDs for Analytical and Biomedical Lowest Light Detection Applications
Overview
PerkinElmer’s C30902EH avalanche
photodiode 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.
PerkinElmer’s 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 epoxied to the end of
the lightpipe to minimize signal losses
without fear of endangering detector
stability.
The C30902SH and C30921SH are
selected C30902EH and C30921EH
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.
Features and Benefits
High quantum efficiency of
77% typical @ 830 nm
C30902SH and C30921SH
can be operated in “Geiger”
mode
Hermetically sealed package
Low Noise at room
temperature
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
RoHS-compliant
Applications
LIDAR
Laser range finder
Small-signal fluorescence
Photon counting
www.optoelectronics.perkinelmer.com

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C30902 equivalent
The thermistor located inside the unit can be used to monitor the APD temperature and can be
used to implement a TE cooler feedback loop to keep the APD at a constant temperature
or/and to implement a temperature compensation on the APD bias voltage. A proper heat-sink
is required to dissipate the heat generated by the APD and the TE cooler.
RoHS Compliance
This series of APDs are designed and built to be fully compliant with the European Union
Directive 2002/95EEC – Restriction of the use of certain Hazardous Substances in Electrical
and Electronic equipment.
Custom Designs
Recognizing that different applications have different performance requirements, PerkinElmer
offers a wide range of customization of these APDs to meet your design challenges. Dark
count selection, custom device testing and packaging are among many of the application
specific solutions available.
1000
100
Figure 1
Typical spectral responsivity
Responsivity, C30902EH, C30921EH
10 Responsivity, C30902SH, C30921SH
1
400 450 500 550 600 650 700 750 800 850 900 950 1000 1050 1100
Wavelength - nm
www.optoelectronics.perkinelmer.com
Silicon Avalanche Photodiodes
5


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Part Details

On this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for C30902 electronic component.


Information Total 13 Pages
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