https://cdn.gophotonics.com/news/covv_639185782435831977.webp712370
GoPhotonics features a wide range of Photointerrupters designed for accurate non-contact object detection, position sensing, and optical interruption in industrial and electronic systems. These photointerrupters primarily operate at a peak wavelength of 940 nm using infrared LED emitters paired with silicon phototransistor detectors, enabling reliable sensing with high sensitivity and fast response. They support applications including paper detection, object counting, encoder feedback, edge detection, position sensing, signal detection, and opto-electronic switching across automation, office equipment, and consumer electronics.
Available in transmissive, reflective, and DIP configurations, these photointerrupters incorporate features such as ambient light suppression, narrow slit or slot structures, daylight-blocking filters, and durable molded housings to ensure stable and accurate operation. With through-hole and DIP mounting options, RoHS, REACH, and Pb free compliant designs, these devices are well suited for printers, copiers, scanners, optical encoders, industrial automation systems, security equipment, and precision motion control applications requiring dependable optical sensing.
8ITR525D03SB0001 - DIP Photointerrupter for Position Sensing Applications
The 8ITR525D03SB0001 is a DIP photointerrupter that incorporates an infrared LED emitter and a silicon phototransistor detector for optical interruption sensing. It features a compact black thermoplastic housing with a 3 mm gap and a narrow slit design that helps reduce the influence of ambient light while enabling reliable object detection. The device provides a fast response and high sensitivity for accurate sensing performance. It is manufactured using Pb - free materials and complies with RoHS and REACH requirements. It is available in a DIP package with a single-channel phototransistor output. It is ideal for printers, copiers, scanners, opto-electronic switches, object detection, and position sensing applications.
DPI010200 - Transmissive Photointerrupter for Signal Detection Applications
The DPI010200 is a transmissive photointerrupter that operates at a peak wavelength of 940 nm using an infrared LED emitter and a phototransistor detector for optical interruption sensing. It provides fast response, high sensitivity, and reliable detection while reducing the influence of visible ambient light. The sensor features a durable industrial plastic housing that resists cracking during installation and supports multiple mounting angle options for flexible integration. It is manufactured in Taiwan and complies with RoHS requirements. It is available as a transmissive slot sensor for integration into optical detection systems. It is ideal for automatic control systems, industrial automation equipment, scanners, printers, fax machines, copiers, printing machines, PC mice, security systems, counters, optical encoders, and position, paper, and signal detection applications.
LTH-301-19 - Transmissive Photointerrupter for Industrial Automation Applications
The LTH-301-19 is a transmissive photointerrupter that operates at a peak wavelength of 940 nm for non-contact object detection and position sensing. It integrates an infrared LED emitter and an NPN silicon phototransistor in a compact transmissive configuration. It features a narrow slit with a 3 mm gap for accurate interruption detection, fast response characteristics, and high sensing reliability. It is designed with a molded plastic housing that minimizes the effects of ambient light and provides stable optical performance. It offers low crosstalk, high sensitivity, and is compliant with RoHS environmental requirements. It is available in a through-hole package for PCB mounting. It is ideal for printers, copiers, scanners, paper detection, position sensing, object detection, counters, encoders, and industrial automation applications.
ITR8102 - Reflective Photointerrupter for Edge Detection Applications
The ITR8102 is a reflective photointerrupter that operates at a peak wavelength of 940 nm for non-contact object detection and reflective sensing applications. It integrates an infrared LED emitter and an NPN silicon phototransistor in a compact side-looking package. It provides high sensitivity, fast response, and optimized performance for detecting reflective objects over a specified sensing distance. It features a daylight-blocking filter that minimizes interference from ambient light and a black thermoplastic housing for improved optical isolation. It is compliant with Pb - free, RoHS, and REACH requirements. It is available in a through-hole package for PCB mounting. It is ideal for object detection, position sensing, paper detection, edge detection, counting systems, office automation equipment, industrial control systems, and consumer electronic devices.
SG2B01V - Transmissive Photointerrupter for Encoder Applications
The SG2B01V is a transmissive photointerrupter that operates at a peak wavelength of 940 nm for non-contact object detection and position sensing applications. It integrates an infrared LED emitter and a silicon phototransistor in a compact transmissive configuration. It features a narrow slot structure for precise optical interruption detection, high sensitivity, and fast response characteristics. It is designed with a molded package that provides effective shielding against ambient light and ensures stable sensing performance. It offers reliable operation, low power consumption, and complies with RoHS environmental requirements. It is available in a through-hole package for PCB mounting. It is ideal for office automation equipment, printers, copiers, paper detection, position sensing, object detection, encoders, counters, industrial automation, and consumer electronic applications.
With their ability to deliver precise optical interruption sensing, stable position detection, and accurate non-contact object monitoring, photointerrupters featured on GoPhotonics address the growing demand for reliable sensing solutions in industrial automation and electronic systems. By enabling fast response detection, consistent signal output, and robust ambient light rejection, these devices play a critical role in motion tracking, encoder feedback, counting systems, paper and edge detection, office equipment, consumer electronics, and precision control applications where dependable optical switching is essential.
Click here to learn more about Optical Detectors.
