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Optical Switches are in stock with same-day shipping at Mouser from industry leading manufacturers. Mouser is an authorized distributor for many optical switch manufacturers including Broadcom, Omron, onsemi, ROHM Semiconductor, Sharp Microelectronics, TT Electronics, Vishay & more.

Optical switches are sensing devices designed to detect the presence, position, movement, or interruption of objects using light-based detection methods rather than physical contact. By transmitting and receiving optical signals, they provide accurate, fast-response, and wear-free operation while minimizing mechanical degradation and maintenance requirements. These devices play a critical role in automation, positioning, safety, and object detection applications where reliable non-contact sensing is essential.

Types: The most common optical switch types include through-beam optical switches, retroreflective optical switches, diffuse-reflective optical switches, slot-type optical switches, fork sensors, transmissive optical switches, reflective optical switches, and miniature optical switches, each optimized for specific sensing distances, target characteristics, and environmental requirements.

Applications: Optical switches are widely used in industrial automation systems, robotics, packaging equipment, material handling systems, consumer electronics, medical devices, printing equipment, and process control applications to detect object presence, position, movement, and machine status.

Selection requirements: To choose optical switches, evaluate sensing range, light source type, response time, target detection characteristics, output configuration, mounting requirements, ambient light immunity, environmental protection rating, and suitability for the intended operating conditions.

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Please view our large selection of optical switches below.