The VEMT2500 and VEMT2520 series, from Vishay Semiconductor, are a family of silicon NPN phototransistors. They are in clear epoxy subminiature packages with a dome lens and a choice of lead options. The VEMT2500 and VEMT2520 phototransistors are sensitive to visible and near IR radiation.
Features of the VEMT2500 and VEMT2520 phototransistors:
Subminiature package
Lead types: gull-wing (GW) or reverse gull-wing (RGW)
Dimensions: 2.3 x 2.3 x 2.8 mm
High radiant sensitivity
Angle of half intensity: 15°
Fast response times