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Hamamatsu photodiodes deliver high performance

Posted: 27 Apr 2004 ?? ?Print Version ?Bookmark and Share

Keywords:hamamatsu? s9251? silicon avalanche photodiode? apd? photodiode?

Hamamatsu Corp. said its new S9251 series of silicon (Si) avalanche photodiodes (APDs) deliver excellent sensitivity in the near infrared (NIR) range and high operational stability for use as a rangefinder and in spatial light transmission applications such as optical telecommunications systems and digital computers.

The four photodiodes cover a spectral response range of 440nm to 1,100nm and achieve peak photosensitivity of 0.52A/W at 860nm. The S9251 series also achieves a peak Quantum Efficiency (QE) of 72 percent at 900nm.

Typical dark current for the S9251-02, S9251-05, S9251-10, S9251-15 is 0.1-, 0.2-, 0.4- and 0.8nA, respectively. Both the S9251-02 and S9251-05 offer a 400MHz cutoff frequency, while the cutoff frequency is 380MHz and 350MHz for the S9251-10 and S9251-15, respectively. Effective active areas range from 0.2mm diameter for the S9251-02 to 1.5mm diameter for the S9251-15.

The S9251-02 and S9251-05 are packaged in TO-18 cans while the S9251-10 and S9251-15 are available in TO-5 cans. The operating temperature range of the S9251 devices is 20C to 85C.

Prices start at $32.56 in OEM quantities. Delivery is five to six weeks.

- Gina Roos

eeProductCenter





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