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Introduction to the pin header connector

Views: 0     Author: Site Editor     Publish Time: 2023-04-11      Origin: Site


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Pin headers are generally used for the connection of PCB boards. Pin headers and wire end connectors are matched to the pins. The pin is a product of the connector industry and has the reputation of being a universal connector. Here to get to know the composition and classification of the pin header connector.

pin header connector (3)

Here is the content list:

l The composition of the pin header connector

l Classification of pin header connectors

The composition of the pin header connector

Pin header connectors are usually used in conjunction with the row of females, forming a board-to-board connection, or with the electronic harness terminals, forming a board-to-wire connection; they can also be used independently for board-to-board connections. It is mainly composed of contact parts, accessories, insulators, and shell components.

1. Contact parts

Is the core component of the pin header connector, it consists of a contact pair composed of an anode contact member and a cathode contact member. It is completed by inserting the negative contact member and the positive contact member to provide electrical connection performance for the pin header connector. The anode contact is a rigid part in the shape of a cylindrical, square, or flat piece. The cathode contact part is the jack, which is made by the elastic structure so that elastic deformation occurs when the pin is inserted to generate elasticity and form close contact with the positive and negative contact parts to complete the connection.

2. Accessories

The assembly structure and installation accessories. This includes structural accessories such as snap rings, locating keys, locating pins, guiding pins, connecting rings, cable clamps, sealing rings, gaskets, etc. Mounting accessories such as screws, nuts, screws, spring rings, etc.

3. Insulators

Also often referred to as the base or mounting plate, it is responsible for arranging the position and spacing of the contact parts as required to ensure insulation between the contact parts and between the contact parts and the shell components. Excellent insulation resistance, voltage resistance, and ease of processing are required.

4. Shell components

The shell components not only provide protection but also guarantee precision when mating the pin header connector to the equipment.

Classification of pin header connectors

Due to the different specifications of the pin header connector in electronic products, the pin header connector is also divided into a variety of models and specifications. The following classification is based on the standards of the electronics industry for pin header connectors.

1. The pins can be divided into straight pins, curved pins, SMT pins, etc, according to the pin size classification.

2. The size of the pin header connector according to the external dimensions of the length, width, thickness, and row distance to determine.

3. Pin header connector according to the packaging form can be divided into SMT (horizontal/vertical), plug-in DIP, etc.

4. Pin header connector can be divided into 180° with S, 90° with W, SMT with T, etc. according to the installation method.

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