M20-7872546P

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Rectangular Connectors - Headers, Receptacles, Female Sockets - offer an economical and reliable interconnect system for multi-circuit applications, whether in telecommunications, commercial electronics, instrumentation, microcomputer applications, or automotive. The M20-7872546P is a part of this family. This article will explore the application field and working principle of this rectangular connector.

Typically, the M20-7872546P is suitable for mating with 2.5mm pitch male wires for power and signal transmission. It is therefore best suited to low amperage applications where a large number of mating cycles are expected, but its current rating is limited. Common applications for the M20-7872546P include: illuminated signs, smoke and fire alarms, control panels, and transformers.

Before going into the working principle of the M20-7872546P, it is important to mention the components that make it up. It is composed of a plastic connector housing, a header, and a terminal, among other components. The PBT plastic housing is resistant to solvents and chemicals, making it ideal for harsh environments. Furthermore, the copper alloy header and terminal provide superior conductivity, helping to reduce contact resistance and thus, providing good electrical performance for long-term reliability.

The M20-7872546P has a reliable electrical connection due to its terminal design. The terminal consists of two contact fingers which are positioned so that they are in contact with the mating wire connections. When the header is inserted, the contact fingers press up against the wire and provide a secure electrical connection with low contact resistance. This design ensures a dependable electrical connection with long-term reliability.

Furthermore, the M20-7872546P is designed with a two-piece construction which allows it to be assembled in two stages. The first stage involves inserting the header into the plastic housing and the second involves inserting the terminal into the plastic housing. This two-stage assembly simplifies the assembly process and allows for quick and easy mounting.

The M20-7872546P also features a locking mechanism which ensures a secure connection between the header and the plastic housing. The locking mechanism is a spring tab which engages the header when it is inserted, providing a positive locking action. This tab ensures that the header is firmly locked in place and prevents it from being inadvertently disengaged.

The M20-7872546P is also designed with a shielding cage which helps to reduce electro-magnetic interference. The shielding cage consists of a plastic cage which wraps around the terminal and the header. This design helps to reduce the amount of interference that can be transmitted through the connector, providing greater signal integrity.

In summary, the M20-7872546P is a reliable and economical rectangular connector which is suitable for low amperage applications where a large number of mating cycles are expected. Its components consist of a plastic connector housing, a header, and a terminal, and its design includes a locking mechanism, a shielding cage, and a two-stage assembly. These features make the M20-7872546P an ideal choice for applications where dependable electrical connections and signal integrity are important.

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