Electrical Connectors

Electrical connectors are devices that join electrical circuits together. Male connectors plug into receptacles, jacks, and outlets. Female connectors contain sockets to receive other devices. Gender changers convert female connectors to male connectors, and vice versa. A wide variety of electrical connectors are available. Many categories are based on shape (e.g., cylindrical, square, keystone) and smallest contact size. Contacts range from as small as 0.50 mm or 0.0197” to as large as 5.08 mm or 0.20”. Some electrical connectors are water resistant or designed specifically for underwater use. Others are hermetically sealed, resistant to moisture and oils, or suitable for cryogenic applications. Electrical connectors can include shielding against electrostatic discharge (ESD) and filtering for electromagnetic interference (EMI) and radio frequency interference (RFI). Common sizes for electrical connectors are standard (size 16 contacts), miniature (size 20 contacts), subminiature or high-density (size 22 contacts), and micro-miniature (size 24 contacts).

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