Description BPW14 is a high speed silicon NPN epitaxial planar phototransistor in a standard TO• 18 hermetically sealed metal case. Its glass lens, featuring a viewing angle of ±12• makes it insensible to ambient straylight. A base terminal is available to enable biasing and sensitivity control. Features • Hermetically sealed case • Lens window • Narrow viewing angle Õ = ± 10• • Exact central chip alignment • Base terminal available • High photo sensitivity • Fast response times • Suitable for visible and near infrared radiation • Selected into sensitivity groups Applications Detector in electronic control and drive circuits