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Connectors are in stock with same-day shipping at Mouser from industry leading manufacturers. Mouser is an authorized distributor for many connector manufacturers including 3M, Amphenol, Aptiv, Cinch, Glenair, HARTING, Harwin, Hirose, ITT Cannon, LEMO, Molex, Neutrik, Phoenix Contact, Samtec, Souriau, Switchcraft, TE Connectivity, Würth Elektronik & more.

Connectors are electromechanical components used to join electrical circuits, enabling reliable transmission of power and signals between devices, boards, or subsystems. They provide a secure yet detachable interface that simplifies assembly, maintenance, and system scalability across a wide range of applications. These components are essential for ensuring consistent electrical performance, mechanical stability, and efficient system integration.

Types: The most common connector types include board-to-board, wire-to-board, and wire-to-wire connectors, as well as RF connectors, circular connectors, rectangular connectors, USB connectors, and terminal blocks, each designed for specific connectivity and environmental requirements.

Applications: Connectors are widely used in industrial automation, automotive systems, telecommunications equipment, data centers, consumer electronics, and power distribution systems to enable reliable electrical and signal connections.

Selection requirements: To choose connectors, evaluate current and voltage ratings, contact design, pitch and form factor, mating cycles, environmental sealing, temperature range, and mechanical durability for the intended application.

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Please view our large selection of over 4,000,000 connectors below.