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GoPhotonics has assembled a comprehensive portfolio of Photoreflectors from leading manufacturers, providing compact and reliable solutions for object detection, proximity sensing, position monitoring, and motion detection across industrial, office automation, and consumer electronic systems. By integrating an infrared emitter and a light-sensitive detector within a single package, photoreflectors enable non-contact sensing through the detection of reflected light from nearby objects, delivering accurate and repeatable performance in space-constrained designs.

Designed for short-range reflective sensing applications, these devices offer high sensitivity, fast response times, compact footprints, and stable operation under varying environmental conditions. The portfolio supports a broad range of applications including printers, barcode readers, card readers, industrial automation equipment, robotics, portable electronics, and optical control systems.

MTRS9520DSM - Infrared Photoreflector for Precision Reflective Detection

The MTRS9520DSM from Marktech Optoelectronics is a high-reliability infrared photoreflector that integrates a 950 nm infrared LED emitter and a high-sensitivity silicon photodiode within a single compact package for reflective optical sensing. Optimized for short detection distances of approximately 0.5 mm to 1.5 mm, the sensor delivers accurate object detection and position monitoring in applications where precise short-range sensing is critical. The device features fast response characteristics with typical rise and fall times of approximately 2 µs, enabling high-speed detection of moving objects and rapidly changing optical conditions.

Its black molded housing minimizes the influence of ambient light and improves signal integrity, allowing stable operation in challenging environments. With a maximum forward current rating of 60 mA and reliable optical output characteristics, the MTRS9520DSM is particularly well suited for barcode readers, card readers, currency validation systems, edge detection equipment, and other precision sensing applications that require compact size and dependable reflective detection performance.

RPR-220 - High-Sensitivity Reflective Optical Sensor for Object Presence Detection

The RPR-220 from ROHM Semiconductor is a reflective-type photosensor designed for object detection, proximity sensing, and position monitoring applications. The device combines a 940 nm infrared emitter and a phototransistor receiver in a compact DIP package, enabling analog detection of reflected infrared light. With a recommended operating distance of approximately 6 mm, the sensor provides reliable short-range detection while maintaining high sensitivity and stable output characteristics. The device supports a collector current range of 0.08 mA to 0.8 mA, a maximum forward current of 50 mA, and operation across temperatures from -25°C to +85°C. Its compact, lightweight construction and low dark current characteristics contribute to dependable performance in industrial and office automation equipment. These features make the RPR-220 suitable for printers, paper handling systems, automation controls, encoder systems, and consumer electronics requiring accurate reflective sensing.

NJL5902R-1 - Compact High S/N Ratio Photoreflector for Precision Position Detection

The NJL5902R-1 from Nisshinbo Micro Devices is a miniature surface-mount photoreflector engineered for high-precision reflective sensing applications. The device combines a high-output infrared LED with a highly sensitive silicon phototransistor, providing a high signal-to-noise ratio while reducing operating dark current to approximately one-sixth that of previous-generation devices. Measuring only 1.6 x 2.0 x 0.6 mm, the sensor is ideal for space-constrained electronic systems. It offers output currents from 160 µA to 400 µA, response times of approximately 30 µs, and incorporates a built-in visible-light cut-off filter to improve immunity to ambient light interference.

The NJL5902R-1 is widely used for optical pickup positioning in CD/DVD systems, lens position detection in camera modules, motor rotation sensing, paper edge detection in printers and copiers, barcode readers, vending machines, and encoder systems. Its compact size, high sensitivity, and reliable reflective sensing performance make it particularly suitable for portable electronics and precision electromechanical devices.

KR1226 - Reflective Optical Sensor for Motion and Position Monitoring

The KR1226 from Shinkoh Electronics is a reflective optical sensor designed to provide accurate object detection, motion sensing, and position monitoring in compact electronic systems. By integrating an infrared emitter and detector within a single package, the sensor can detect the presence, movement, or position of nearby objects through reflected infrared light. Its reflective sensing architecture enables reliable edge detection, rotational monitoring, and position feedback in automated systems.

The device is well suited for industrial automation equipment, office machines, paper transport mechanisms, and consumer electronic products that require non-contact sensing. Its compact construction allows easy integration into space-constrained designs while providing dependable performance for continuous monitoring applications.

MTRS4010C - SWIR Photoreflector with InGaAs Photodiode for Advanced Reflective Sensing

The MTRS4010C from Marktech Optoelectronics is a specialized shortwave infrared (SWIR) photoreflector that combines a 1040 nm infrared emitter with a high-sensitivity InGaAs photodiode detector in a compact 5.1 x 3.3 mm surface-mount package. Unlike conventional silicon-based photoreflectors, the use of an InGaAs detector enables enhanced sensitivity in the near-infrared and shortwave infrared spectral regions, making the device suitable for advanced optical sensing applications. The sensor is optimized for short detection distances of approximately 0.5 mm to 1.5 mm and features a 1 mm active sensing area for precise reflective measurements.

Its black molded housing minimizes ambient light interference and improves detection reliability in varying lighting conditions. The MTRS4010C supports forward currents up to 40 mA and is designed for applications including barcode readers, card readers, edge sensing systems, and currency validation equipment. The combination of SWIR operation, compact size, and high sensitivity makes it particularly attractive for precision industrial sensing and specialized optical detection systems.

With its extensive portfolio of photoreflectors, GoPhotonics provides engineers and system designers with access to advanced reflective optical sensing technologies optimized for object detection, proximity sensing, motion monitoring, and position control. Featuring compact form factors, high sensitivity, fast response times, and robust operating characteristics, these devices deliver dependable performance across a wide range of industrial, office automation, and consumer electronic applications.

As demand continues to grow for intelligent sensing and automation technologies, GoPhotonics' photoreflector portfolio offers versatile and reliable solutions that help designers achieve precise, non-contact detection in increasingly compact and sophisticated electronic systems.

Click here to learn more about photoreflectors.