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Rectangular Connectors - Headers, Specialty Pin

360-90-101-00-001000 Application Field and Working Principle

Rectangular connectors, also known as MH connectors or headers, are connectors that are rectangular in shape and consist of multiple pins. These pins can be either in the form of male contacts or female contacts, and the type of contact that is used depends on the application that they are used for. In most cases, the male contacts are the positive contacts, while the female contacts are the negative contacts. The pins are typically spaced out evenly within the rectangular frame, although some connectors may have additional features, such as a bridge pin that connects two otherwise separate contacts, or a terminal that is used as a strain relief for the connecting wires.

The headers come in a variety of sizes, from as small as 2mm to 12mm and larger, depending on the application. The size of the header will also affect the number of pins and how they are spaced, as some pins may be closer together than others. Additionally, the pitch of the pins—the gap between each pin—will vary depending on the application. Pitch ranges from 0.5 mm to 10mm.

There are many different types of headers available, including single row, dual row, and multiple row headers. Single row headers are typically used for low-level signal connections and applications where size is a concern, such as in smaller electronics. Dual row headers are more commonly used, and can range from larger applications, such as those found in computers, to smaller applications, such as those found in mobile phones and other electronic devices.

The most common type of headers is the specialty pin, which are designed for specific applications and have unique features. These pins are often used in high-power applications, such as in motors, as well as in high-frequency applications, such as antennas and radio transmission equipment. The specialty pin is usually identified by its three-digit part number, such as “360-90-101-00-001000”, which indicates its specific type and size.

Each type of header and specialty pin works in a different way. Single and dual row headers usually use a crimp connection, where the pins are crimped onto the connecting wire individually. The crimped connection is relatively easy to create and highly reliable. Multiple row headers, however, usually use a soldered connection, where the pins are soldered to the connecting wire in one cohesive block. This method is more difficult to create but is more reliable.

The specialty pin, depending on its purpose, can use either a press-fit or screw-type connection. Press-fit connections are where the pins are inserted into insertion holes on the component or board, while screw-type connections involve the pins being physically screwed into the connection point. This type of connection is often used when the pin needs to be securely held in place, such as in motors or radio transmission equipment.

Rectangular connectors and headers are used in many different applications, from low-level signal connections to high-powered motors and high-frequency radio transmission equipment. The specific type of connector and pin used depends on the application, with single and dual row headers being most commonly used. Specialty pins can also be used, depending on the specific application, and offer their own unique features.

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