Hamamatsu, S3931 Visible Light Si Position Sensing Detector (PSD), Through Hole Ceramic

The Hamamatsu Photonics one-dimensional PSD designed for precision distance measurement such as displacement meters. The S3931 have a photosensitive area of 1 x 6 mm, and are mounted on a compact ceramic package with a transparent resin window.

Superior position detection ability
High reliability
Easy to use 4-pin small ceramic package