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Rectangular connectors - headers, male pins are commonly used in the manufacturing of electronic substrates and boards. This article will briefly discuss their application field and working principles.

In most electronics industry, rectangular connectors are one of the most popular types of electrical connectors. It offers universal use, durability, robustness, and compact design. They are commonly used in computers, electrical appliances, automotive industries, consumer electronics, and more.

The application field and working principles of rectangular connectors are largely dependent on the type of connection required and the application they will be primarily used in. Generally, the connector headers are composed of three main components: terminal contacts, a contact spring, and a ‘body’ or ‘housing’ to hold the other components together. These contacts can be pin or socket type, depending on the need and type of connection required.

In most of the devices, the contact spring is designed to terminate or connect the conductor material to the contact terminals. Additionally, the body or housing holds the contact terminals securely in their respective slots. This facilitates the stable electrical connections between the various points of the circuit. Furthermore, for robust connection and proper contact force, the pins and sockets of the contact terminals are provided with two insulating layers, which act as shock absorbers and prevents them from wiggling out within the contact slots.

Different types of rectangular connectors are manufactured with distinct features and designs to allow various specific applications. The popular U-shaped header connectors are considered to be the most widely used. This type of connector is convenient for use due to its universal and reliable connection without additional tools.

Surface mounted connectors are very popular for a wide range of applications. In comparison to conventional connectors, they require less space due to their small size. These connectors are the most optimal for modern technology due to their efficient usage of space and easy installation and maintenance.

Apart from U-shaped headers, other varieties of connectors like the box-header connector and mounting post types are also popular. The box-header connectors have greater versatility due to their ability to be mounted in a variety of orientations and positions. The housing of the box-header is made of durable materials to offer secure connections. The mounting post type is suitable for use in automated industrial applications, due to its long post-style termination.

In fact, a variety of rectangular connectors are also available with terminal board pins, which are widely used when the wire size is larger. Due to its special design, the terminal board pins are suitable for connection with a range of conductive materials like copper, stainless steel, aluminum, etc.

In summary, rectangular connectors - headers, male pins come in a variety of application areas. Depending on the requirements, they come in various shapes, sizes, and designs with several contact compositions. Apart from being widely used in electronic appliances, they are very popular in automotive, industrial, and consumer electronics usage.

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