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Rectangular Connectors - Headers, Male Pins

Rectangular connectors are connectors housed within various rectangular shapes and sizes. The most common types of rectangular connectors are called headers and male pins. Headers are the components of the connector where wires, circuit boards, and other devices connect. Male pins are the connectors themselves, which house the wires or other components.

These connectors are used for a wide variety of applications, ranging from consumer electronics to medical, aerospace, automotive, and communications. In these applications, rectangular connectors are essential components for reliable electrical connections both in power and signal applications.

The working principle of rectangular connectors is fairly simple. When a wire or component is inserted into the male pin of the connector, it is mechanically secured. A spring-loaded mechanism then locks the connection, ensuring a secure, reliable connection.

The actual connection, however, occurs when an electrical contact between the male pin and the wire or component is established. The contact is made either through physical contact or through thermal conduction. In some connector designs, a combination of electrical contacts and thermal conduction will also be present.

The materials used for both the male pins and headers are dependent on the environment in which they will be used and the level of current needed for the application. Most commonly used materials include metals like brass, nickel-plated steel, and beryllium copper; plastics like polypropylene and nylon; and thermoplastics like PBT (polybutylene terephthalate) and PTFE (polytetrafluoroethylene).

Rectangular connectors are also available in various sizes and shapes. Standardization continues to increase as these connectors are becoming more and more common, allowing engineers to quickly find the exact solution they need for their application. Pin-counts can range from 2 to 64 and widths from 2.54 to 25.4 millimeters. Furthermore, header shapes can be straight or right-angled, with flexibility to customize as needed.

Applications such as medical diagnostic tools and test and measurement equipment rely heavily on reliability and accuracy. Rectangular connectors are essential components for these applications, ensuring reliable connections for power and signal. With the availability of a wide range of sizes, shapes, and materials, rectangular connectors are a great choice for any application requiring reliable electrical connections.

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