Vishay Infrared Phototransistor 30° Half-Sensitivity Angle Surface Mount Subminiature 2-Pin Package TEMT1020

Vishay TEMT1020 is a high-performance infrared phototransistor designed in a surface mount, subminiature 2-pin package. This phototransistor features a 30° angle of half sensitivity, allowing precise detection of infrared light, primarily around the peak wavelength of 880 nm. It offers a typical rise time of 2 μs and a fall time of 2.3 μs, enabling fast response suitable for dynamic applications.

The device is housed in a black plastic package that incorporates a daylight blocking filter to enhance infrared sensitivity and minimize interference from visible light. The compact dimensions (2.5 mm length, 2 mm width, and 2.7 mm height) make it suitable for space-constrained PCB layouts. It operates reliably over a wide temperature range from -40°C up to 85°C, ensuring stability in diverse environmental conditions.

This phototransistor can handle a collector current of up to 50 mA and withstand emitter-collector voltages of 5 V with a maximum collector-emitter voltage rating of 70 V. Packaged on tape and reel, it is optimized for automated SMT assembly processes, making it ideal for volume production.

Applications for the TEMT1020 include encoders, counters, photo interrupters, and IR detection for daylight environments. It is commonly used in electronic control units and drive circuits across industrial, commercial, and laboratory settings.

Detects infrared wavelengths with high sensitivity and fast switching speeds. Compact and surface mount design allows for efficient PCB integration. Robust operating temperature range supports harsh environmental use. Suitable for industrial automation, control circuits, and sensor applications.

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