SG105F Photo Interrupter Sensor 940nm Reflective Optical Sensor Through Hole (SG-105F Optical Sensor)

The SG105F Photo Interrupter Sensor is a compact reflective optical sensor designed for non-contact object detection, position sensing, and motion detection applications. It integrates a 940nm GaAs infrared LED emitter and a high-sensitivity phototransistor within a single package, enabling accurate detection based on reflected infrared light. Its miniature design, fast response time, and reliable performance make it ideal for embedded systems, industrial automation, and electronic sensing applications.

Key Features -

• Reflective photo interrupter sensor

• Integrated IR LED and phototransistor

• 940nm infrared operating wavelength

• Compact low-profile package

• High-speed response

• Non-contact object detection

• High sensitivity optical sensing

• Reliable switching performance

• Through-hole PCB mounting

• Suitable for industrial and embedded applications

Specifications -

• Product type - Reflective Optical Sensor

• Model - SG105F

• Sensor type - Photo Interrupter Sensor

• Sensing method - Infrared Reflection Detection

• Peak wavelength - 940nm

• Forward current - Up to 50mA

• Collector current - Up to 20mA

• Collector-emitter voltage - Up to 30V

• Response time rise - Approx. 30us

• Response time fall - Approx. 25us

• Detection distance - Approx. 0.8mm

• Operating temperature - -20C to +85C

• Mounting type - Through Hole

Applications -

• Edge detection systems

• Position sensing

• Object detection circuits

• Industrial automation equipment

• Motion sensing applications

• Timing and counting systems

• Liquid level detection

• Embedded electronics projects