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Rectangular connectors are the most commonly used variety of electrical connectors. Commonly referred to as “Headers, Male Pins,” they are used in both the consumer and industrial markets. Typical applications include a variety of communication, lighting, power, and data transfer products. This article discusses their general application field, their types, and their working principles.

General Application Field

Rectangular connectors are used to interconnect several individual conductors via permanent connections between two or more connector pieces. Connectors are widely used in industrial, commercial, and consumer products, including electronics, medical, automobile, entertainment systems, and communications equipment. Rectangular connectors can be classified into two-terminal types and multi-terminal types. In general, they are used for dividing, connecting, and amplifying electronics signals and power between equipment.

Types of Rectangular Connectors

Rectangular connectors are available in various sizes, pitches, gender types, and customization levels. There are two major types of rectangular connectors: male pin headers and female pin headers. Male pin headers are male plugs with several pins or connection points that make contact with a female socket, connector, or device. Female pin headers, on the other hand, have several slots that accept male pin plugs, and can also make contact with female header sockets.

The applications for rectangular connectors are as varied as the types. Male pin headers are particularly useful for providing temporary or permanent connections in device power supplies, aircrafts, helicopters, data communication, consumer electronics, factory automation, and medical instrumentation. Female pin headers, on the other hand, are often used in data storage, automotive electronics, electrical appliances, communication equipment, and industrial automation.

Working Principle of Rectangular Connectors

A rectangular connector’s working principle is based on two primary electrical properties: electrical current and electrical resistance. An electrical current is created when electrons flow through a conductive material. Resistance is related to the resistance that the electrical current encounters. Resistance can be described as a measure of the opposition to current. When voltage is applied to the two terminals of a conductor, they act like a resistor and current flow through the circuit.

In terms of rectangular connectors, the current flow is established by inserting the male pins of the male pin connector into the female slots of the female connector. This creates a connection between the two components. The electrical resistance of each pin depends on the material used to manufacture the pin and determines how strong the connection will be. With a standard male and female connector, the current flow will be the same in both directions.

The working principle of rectangular connectors is important to consider when designing the type, number, and size of the pins that will be used in a particular application. The selection should take into account the desired current flow and the resistance values and electrical characteristics of the pins. The size and type of the pins will also influence the physical size of the connector and must also be taken into account.

Conclusion

Rectangular connectors, also known as “Headers, Male Pins”, are a common type of electrical connectors used in a variety of applications. They are available in various sizes, pitches, gender types, and customization levels, and their type depends on the specific application. The general application field for rectangular connectors includes communication, lighting, power, and data transfer. The working principle of rectangular connectors is based on two primary electrical properties: electrical current and electrical resistance. The selection of the pins must take into account the desired current flow and the resistance values and electrical characteristics of the pins.

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