wire connector

Wire connectors are used to make a wire to wire or wire to board connection.

Engineering options

There are many types of wire connectors including D-sub connectors, IDC connectors, spade terminals, ring terminals & custom contacts.

D-sub connectors with solder cup contacts have a cavity into which the stripped and tinned wire is inserted and then soldered. The picture below shows a D-sub connector (plug or socket) with solder cup contacts.

I.D.C. (Insulation Displacement Contact) connectors are designed to be connected to the conductor(s) of a flat cable. The flat cable is pressed against the contacts, the rear of which is fork-shaped, which then pierce the insulation of all the wires simultaneously. The picture below shows an I.D.C. D-sub male connector. Various I.D.C. connector types are available (ex. Dip connector, D-sub, socket header).

Crimp-on wire connectors are generally made of steel or copper. Crimp-on wire connectors require a crimping tool designed specifically for the contact. They are permanent (not reusable) and designed for making pressure-type connections. Crimp-on connectors provide a very secure connection. They can be used with or without plastic insulations.

Push-in connectors are designed with or without locking tabs. Push-in connectors with locking tabs provide the ability to remove previously inserted wires.

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