87346-4

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Rectangular Connectors - Headers, Male Pins - 87346-4 application field and working principle

Rectangular connectors are electric components used to join electrical circuits, usually circuits that use printed circuit boards. Often referred to as headers, male pins or simply connectors, these components include a wide range of connections including soldered, press-fit, insulated and non-insulated types. The 87346-4 is a standard two-row pin header with a row spacing of 4.2mm and features a patented design that ensures positive locking and guaranteed optical guidance. Its compact design makes it perfect for applications such as medical electronics, telecommunications, personal computers, audio equipment and automotive applications.

The 87346-4 packs 20 contacts into the standard 4.2mm row spacing, making it ideal for applications in spite of its small size. It has a reliable locking system that ensures the correct alignment of the two mating halves and consistently provides a reliable connection. This makes it very well suited for applications where circuitry must be connected multiple times, such as in telecommunications, medical, automobile or military systems.

The 87346-4 has two types of contacts. The first type is the male pin which is the primary part of the connector. The male pin contacts are available in three sizes with operating current ratings ranging from 2A to 7A. These pins are inserted into printed circuit boards (PCBs). The second type of contacts is the socket contact, which can accept a wide variety of wires and cables with the correct cable terminating method.

When two 87346-4 connectors are mated, the socket contacts of the female connector are engaged by the male pins of the male connector. As the two connectors are mated, the pin contacts are pushed through the plastic housing of the female connector and reach the socket contact, where they remain locked in place. This locking ensures a reliable connection and also helps prevent any disconnects due to vibration or strain during operation.

The 87346-4 also features a patented optical guidance system which helps in accurately mating the connector pairs. When mating the connectors, the optical marks on the female connector line up with the inner row of contacts in the male connector. This guided mating helps speed up the process of accurately connecting the two connectors and avoids any misalignment during the assembly process.

In conclusion, the 87346-4 proves to be a reliable part with an innovative design and good electrical and vibration performance. It is a two-row pin header with a 4.2mm row spacing, a patented optical guidance design and two contact types: male and socket. Its size is perfect for applications with a need for high-density connections and its outstanding locking system allows for reliable connections every time. It is well suited for applications in medical electronics, PC products, telecommunication, audio equipment and automotive designs.

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