Photodiodes

Photodiodes are in stock with same-day shipping at Mouser. Mouser is an authorized distributor for many leading Photodiode manufacturers including Advanced Photonix, ams OSRAM, Broadcom, Marktech, onsemi, Vishay & more.

Photodiodes are semiconductor sensing devices designed to convert light energy into electrical current for detection, measurement, and communication applications. By responding rapidly to changes in light intensity, they provide accurate optical sensing capabilities across visible, infrared, and ultraviolet wavelengths. These components serve as critical building blocks in optical systems requiring precise light detection, high-speed response, and reliable signal conversion.

Types: The most common photodiode types include PN photodiodes, PIN photodiodes, avalanche photodiodes (APDs), silicon photodiodes, infrared photodiodes, UV-enhanced photodiodes, high-speed photodiodes, and photodiode arrays, each optimized for specific wavelength ranges, sensitivity levels, and detection requirements.

Applications: Photodiodes are widely used in optical communication systems, industrial automation equipment, medical devices, light measurement instruments, safety systems, barcode scanners, proximity sensing platforms, and consumer electronics to detect and measure light with high accuracy.

Selection requirements: To choose photodiodes, evaluate spectral response range, sensitivity, response time, active area size, dark current characteristics, operating voltage requirements, package type, temperature performance, and suitability for the intended optical and environmental conditions.

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Please view our large selection of photodiodes below.