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Rectangular connectors, headers, and male pins are a type of electrical connector. They are arguably the most commonly used connectors in a wide range of industries. It is important to understand the application field and working principle of these components to ensure that they are used correctly in any application.

The main application field of rectangular connectors, headers, and male pins include consumer electronics, industrial automation, automotive, telecom, and communication systems. They are also used in a variety of medical and military applications. Depending on the application, connectors can be used for power delivery, data transmission, or a combination of both.

Rectangular connectors, headers, and male pins are available in different contact configurations. The most commonly used contact configuration is the 2-row straight or right angle header. These headers are designed to be plugged into circuits or receptacles on a board or other substrate. Depending on the contact and design, the contacts can be spaced at either 2.54mm or 2.00mm pitch. The most common contact types include copper, gold, and low- or high-resistance contacts.

The most important aspect of the working principle of rectangular connectors, headers, and male pins is their ability to provide a secure connection. This is accomplished by having spring contacts within the connector that press against the mating pins of the receptacle. The contacts create electrical continuity between the pins, allowing for power and/or data to flow. Additionally, the contacts create a mechanical connection between the two components.

In order to ensure that the contact is securely fastened, many headers are designed with a latching feature that is activated when inserting the header. This feature ensures that the header is securely attached and does not vibrate loose during operation. Additionally, most headers are designed to be used with solder as well, which increases the contact reliability and resistance to vibration.

Finally, the use of insulating coverings is also common when using rectangular connectors, headers, and male pins. These coverings protect the contacts from physical damage, accidental shorting, and ensure that they remain securely attached during operation.

In conclusion, rectangular connectors, headers, and male pins are one of the most widely used connector types in many different industries. It is important to understand the application field and working principle of these components in order to ensure that they are used correctly in any application. By understanding the contact configurations available, the latching and insulation features, as well as the secure mechanical and electrical contact, users are able to confidently use these connectors in their applications.

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