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C30921S 参数 Datasheet PDF下载

C30921S图片预览
型号: C30921S
PDF下载: 下载PDF文件 查看货源
内容描述: 硅雪崩光电二极管 [Silicon Avalanche Photodiodes]
分类和应用: 光电二极管光电二极管
文件页数/大小: 7 页 / 234 K
品牌: PERKINELMER [ PERKINELMER OPTOELECTRONICS ]
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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 (V < V ) at gains up to 250  
R
BR  
or greater, or as photon counters in the "Geiger" mode (V  
>
R
V
) where a single photoelectron may trigger an avalanche  
BR  
8
pulse of about 10 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  
2
Useful area . . . . . . . . . . . . . . . . . . . . . . . . . .0.2 mm  
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  
Figure 2. Typical Quantum Efficiency vs. Wavelength  
Maximum Ratings, Absolute-Maximum Values (All Types)  
Reverse Current at 22°C:  
Average value, continuous operation  
Peak value  
200 µA  
1 mA  
(for 1 second duration, non-repetitive)  
Forward Current, I at 22°C:  
F
Average value, continuous  
operation  
5 mA  
Peak value (for 1 second  
duration, non-repetitive)  
Maximum Total Power Dissipation at 22°C  
Ambient Temperature:  
50 mA  
60 mW  
Storage, T  
stg  
-60 to +100°C  
-40 to +70°C  
200°C  
Operating, T  
A
Figure 3. Typical Noise Current vs. Gain  
Soldering (for 5 seconds)