1KL3A Phototransistor - Smoke Detector

The ST-1KL3A is a high-sensitivity NPN silicon phototransistor housed in a robust, hermetically sealed TO-18 metal package. Its durable construction ensures reliable performance for years, even in challenging environments, including outdoor applications.

Applications:

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

Features:

• Narrow angular response for precise detection
• Durable and long-lasting design
• High reliability in demanding conditions
• Two leads: Collector and Emitter