The ST-1KL3A is high-sensitivity NPN silicon phototransistor mounted in durable, hermetically sealed TO-18 metal can which provide years of reliable performance, even under demanding conditions such as use outdoors.

APPLICATIONS

• Optical switches
• Optical detectors
• Infrared sensors
• Encoders
• Smoke detectors

FEATURES

• Narrow angular response
• Durable
• High reliability in demanding environments
• Two leads (Collector, Emitter) ST-1KL3A