Photo transistors

The ST-1KA and 1KB are high-sensitivity NPN silicon phototransistors mounted in durable, hermetically sealed TO-18 metal cans, which provide years of reliable performance, even under demanding conditions such as use outdoors .

FEATURES
• Wide angular response
• Durable
• High reliability in demanding environments
• Two leads (Collector, Emitter) ST-1KA
• Three leads (Collector Emitter, Base) ST-1KB

APPLICATIONS
• Optical counters
• Optical detectors
• Infrared sensors
• Fiber optic communications