The Vishay Silicon NPN Phototransistor is a high speed silicon NPN epitaxial planar phototransistor in a miniature PLCC-2 package for surface mounting on printed boards. The device is sensitive to visible and near infrared radiation.High photo sensitivityHigh radiant sensitivitySuitable for visible and near infrared radiationFast response timesAngle of half sensitivity: ϕ = ± 60°Package notch indicates collector