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Rectangular connectors are becoming increasingly popular in modern electrical systems due to their reliability and connectivity capabilities. As with other types of electrical connectors, rectangular connectors can be divided into components, with a mating receptacle and a plug. The receptacle and plug are typically housed in a connector housing that can be further divided into two basic types: plastic and metal. Three configurations are common for plastic housing: single-part, two-part and a right-angle version. The two most common metal housings are the double-ended style and the crimped-style housings.

Applications

Rectangular connectors are most commonly used in applications which require cables and wires to be connected to a computer, test equipment, audio equipment, power supplies, cameras, radios and other electronic equipment. For instance, the USB type of rectangular connector is used to connect external peripherals such as keyboards, mice, digital cameras and printers to computers. These connectors are also common in the automotive industry, where they are used to make connections between the vehicle’s electrical system and its various components and sensors.

Working Principle

Each rectangular connector housing contains electrical contacts that are designed to match the contacts of the other half of the connection. Once the mating ends of the rectangular connectors have been mated, the contacts will make an electrical connection, providing power or transmitting data as appropriate. The housing is designed to protect the wires and connectors from environmental factors such as dust, dirt, moisture and vibration.

When selecting a rectangular connector, the user should take into consideration the environment it will be used in, the voltage and current it will be carrying, and how much space there is in the application. They should also consider the gender of the connector and its mating part, size of the connector, the number of contacts and pins, the type of conductor used, and the method of termination.

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