Hamamatsu provides various types of one-dimensional PSD (Position Sensitive Detector) designed for precision distance measurement such as displacement meters. S3931 has an active area of 1 × 6 mm respectively, and is mounted on a compact ceramic package with a transparent resin window.
|Photosensitive area||1 x 6 mm|
|Peak sensitivity wavelength (typ.)||920 nm|
|Photosensitivity (typ.)||0.55 A/W|
|Spectral response range||320 to 1100|
|Dark current (max.)||10 nA|
|Rise time (typ.)||1.5 μs|
|Terminal capacitance (typ.)||40 pF|
|Interelectrode resistance (typ.)||50 kΩ|
|Measurement condition||Typ. Ta=25 ℃, unless otherwise noted|
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