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Discrete Semiconductors are in stock with same-day shipping at Mouser from industry leading manufacturers. Mouser is an authorized distributor for many discrete semiconductor manufacturers including Diodes Incorporated, Infineon, IXYS, Nexperia, onsemi, Skyworks, STMicroelectronics, Vishay & more.

Discrete semiconductors are individual electronic components designed to perform a single primary function such as switching, amplification, or rectification within a circuit. Unlike integrated circuits, they operate as standalone devices, giving engineers flexibility to optimize performance, thermal handling, and electrical characteristics at a granular level. These components serve as foundational building blocks in analog, power, and signal management designs across a wide range of systems.

Types: The most common discrete semiconductor types include diodes (rectifier, Schottky, Zener), transistors (BJT, MOSFET, IGBT), thyristors (SCRs, TRIACs), and protection devices such as TVS diodes, each tailored for specific control, conversion, or protection functions.

Applications: Discrete semiconductors are widely used in power supplies, motor control, signal switching, RF circuits, voltage regulation, and circuit protection across industrial, automotive, and consumer electronics systems.

Selection requirements: To choose discrete semiconductors, evaluate voltage and current ratings, switching speed, power dissipation, package type, thermal performance, efficiency characteristics, and suitability for the intended electrical and environmental conditions.

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Please view our large selection of Discrete Semiconductors below.