: 15 Alternatives include brass, phosphor bronze, and beryllium copper. Insulators must have a high electrical resistance, withstand high temperatures, and be easy to manufacture for a precise fit.Įlectrodes in connectors are usually made of copper alloys, due to their good conductivity and malleability. Properties important to conductor materials are contact resistance, conductivity, mechanical strength, formability, and resilience. : 6 Materials Įlectrical connectors essentially consist of two classes of materials: conductors and insulators. No single connector has all the ideal properties for every application the proliferation of types is a result of the diverse yet specific requirements of manufacturers. In some cases an equipment manufacturer might choose a connector specifically because it is not compatible with those from other sources, allowing control of what may be connected. It is usually desirable for a connector to be easy to identify visually, rapid to assemble, inexpensive, and require only simple tooling. In addition to the classes mentioned above, connectors are characterised by their pinout, method of connection, materials, size, contact resistance, insulation, mechanical durability, ingress protection, lifetime (number of cycles), and ease of use. In computing, electrical connectors are considered a physical interface and constitute part of the physical layer in the OSI model of networking. Splice or butt connectors (primarily insulation displacement connectors) that permanently join two lengths of wire or cable.pin headers, screw terminals, board-to-board connectors) PCB mount connectors soldered to a printed circuit board, providing a point for cable or wire attachment.
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