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Silicon APD

Silicon avalanche photodiodes (Si APD) have an internal gain mechanism, fast time response, low dark current and high sensitivity in the UV to near infrared region. Hamamatsu offers Si APDs with active areas ranging from 0.2 mm to 5.0 mm in diameter.  The APDs are hermetically sealed in metal packages.

While avalanche photodiodes are limited to gains below 200, they have excellent quantum efficiency in the near infrared (such as the S8890 and S9251 series). Low-bias, infrared-sensitive avalanche photodiodes have a typical breakdown voltage of 150 V. APDs with visible sensitivity and APD arrays are also available. For ease of use, we recommend an APD module that incorporates an APD, power supply, and amplifier in one package.

Applications for APDs include optical fiber communication, spatial light transmission, low-light-level detection, high-speed bar code reader, laser radar, and biomedical devices. APDs are also widely used in high-energy physics experiments. In weak light applications where high magnetic fields are applied, an APD is often the only choice.

Hamamatsu Photonics has specially developed APDs for CERN's LHC - CMS experiment to withstand very high radiation produced by the collisions during 10 years of operation of the LHC. Hamamatsu Photonics received the CERN Award for its close collaboration and special efforts over many years to reach the goal of delivering high volume, large surface and radiation hard APDs to the CMS-Electro Magnetic Calorimeter.

Technical data and operation of APDs can be found in Characteristics and Use of Si APD. The article Light Levels and Noise, Guide Detector Choices is useful in determining if an APD is an appropriate detector. To sort through the various APDs we manufacture, use filters on the product table below or use the “Parametric Search” link at left. For more information about specific products, download the datasheet (PDF) from the table below or use the “Request Info” link at left to contact us.

 

Part Number
 
Package
 
Active
Dia./ L
mm  
Min
nm  
Max
nm  
Peak
nm  
Peak
Sens.
A/W  
Max
ID
nA  
Fc
MHz  
CT
pF  
S9717-05L     Ceramic 0.5 400 1000 800 0.5 0.1 900 3
S9717-05K     Ceramic 0.5 400 1000 800 0.5 0.1 900 3
S9717-02K     Ceramic 0.2 440 1000 800 0.5 0.05 1000 1.5
S9251-15     TO-5 1.5 440 1100 860 0.52 8 350 3.6
S9251-10     TO-5 1 440 1100 860 0.52 4 380 1.9
S9251-05     TO-18 0.5 440 1100 860 0.52 2 400 0.7
S9251-02     TO-18 0.2 440 1100 860 0.52 1 400 0.4
S9075     TO-5 1.5 200 1000 620 0.42 15 100 30
S9074     TO-18 0.5 200 1000 620 0.42 5 400 7
S9073     TO-18 0.2 200 1000 620 0.42 5 900 3
S8890-30     TO-8 3 400 1100 940 150 220 8
S8890-15     TO-5 1.5 400 1100 940 100 220 2.5
S8890-10     TO-5 1 400 1100 940 50 230 1.5
S8890-05     TO-5 0.5 400 1100 940 15 240 0.5
S8890-02     TO-5 0.2 400 1100 940 2 280 0.2
S8664-55     Ceramic 5 320 1000 600 0.24 (at 420 nm) 50 40 80
S8664-50K     TO-8 5 320 1000 600 0.24 (at 420 nm) 35 60 55
S8664-30K     TO-8 3 320 1000 600 0.24 (at 420 nm) 15 140 22
S8664-20K     TO-5 2 320 1000 600 0.24 (at 420 nm) 6 280 11
S8664-10K     TO-5 1 320 1000 600 0.24 (at 420 nm) 3 530 4
S8664-1010     Ceramic 10 320 1000 600 0.24 (at 420 nm) 100 11 270
S8664-05K     TO-5 0.5 320 1000 600 0.24 (at 420 nm) 1.5 680 1.6
S8664-02K     TO-5 0.2 320 1000 600 0.24 (at 420 nm) 1 700 0.8
S8611     TO-18 0.5 400 1000 800 0.5 1 900 3
S8550     Ceramic 1.6 320 1000 600 50 10
S6045-06     TO-8 5 400 1000 800 0.5 30 35 120
S6045-05     TO-5 3 400 1000 800 0.5 10 80 50
S6045-04     TO-5 1.5 400 1000 800 0.5 5 350 12
S6045-03     TO-18 1 400 1000 800 0.5 2 600 6
S6045-02     TO-18 0.5 400 1000 800 0.5 1 900 3
S6045-01     TO-18 0.2 400 1000 800 0.5 0.5 1000 1.5
S5345     TO-8 5 200 1000 620 0.42 100 8 320
S5344     TO-5 3 200 1000 620 0.42 30 25 120
S5343     TO-18 1 200 1000 620 0.42 5 250 15
S5139     TO-18 0.5 400 1000 800 0.5 1 900 3
S4402     TO-5 1 400 1000 800 0.5 2 310 8
S3884     TO-5 1.5 400 1000 800 0.5 5 400 10
S2385     TO-8 5 400 1000 800 0.5 30 40 95
S2384     TO-5 3 400 1000 800 0.5 10 120 40
S2383-10     TO-18 1 400 1000 800 0.5 2 600 6
S2383     TO-18 1 400 1000 800 0.5 2 600 6
S2382     TO-18 0.5 400 1000 800 0.5 1 900 3
S2381     TO-18 0.2 400 1000 800 0.5 0.5 1000 1.5
M6017    
Part Number
Package
Active
Dia./ L
Min
Max
Peak
Peak
Sens.
Max
ID
Fc
CT
 
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