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75401-052LF Application Field and Working Principle

The 75401-052LF is a single post connector with PC pins. These connectors are mainly suited for wire to PCB applications and are simple to use. The 75401-052LF is a receptacle for 2 mm x 4 mm PC pins, with a rated current of 2A. This makes them ideal for applications requiring an economical yet very reliable connection.

Applications

The 75401-052LF connectors have a wide range of applications. Typical applications of these connectors include wire to board connectors, PCB-connectors, PCB-terminal blocks, relay connections and header connections.

The 75401-052LF PC pins are made of tin-plated brass, and they have a superior ability to withstand higher soldering temperatures, making them particularly suitable for soldering to the surface of high-dissipation components. The connectors’ small profile and compact design make them ideal for applications requiring tight space constraints.

The 75401-052LF connectors come in various contact styles such as straight, right-angle or free-hanging configurations. All types are typically available in standard and lead-free versions.

Working Principle

The 75401-052LF uses a single post connector arrangement. The internal parts are made up of a brass body and an insulator. When the connector is joined to an external device, an electrical connection is established. The contact between the pins and the terminal body is made through spring forces generated by the pins. This contact is maintained against vibration, thermal expansion and other external forces.

A locking system is used to ensure the connector is secure. This prevents any accidental disconnection or misalignment of the pins which can lead to faulty connections.

The 75401-052LF is available in different wire gauges, which determines the amount of current that can be carried by the connector. Therefore, it is important to select the right gauge when choosing a connector for your application.