DF57-4P-1.2V(21) Connectors, Interconnects

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Rectangular connectors, such as the DF57-4P-1.2V(21) header and male pin connector, are very popular, but the applications and scope of individual models vary greatly. This section will describe the application field and working principle of the DF57-4P-1.2V(21).

The DF57-4P-1.2V(21) is a four-pin surface mount header with a pitch of 1.2mm and contacts rated at 21V. This connector is typically used for signal and power connections where a high number of cycles and long service life are required. Due to their small footprint and low profile, they are especially popular for space-constrained or high-density applications, such as in laptops, tablets or other portable electronics.

The design of the DF57-4P-1.2V(21) has a highly reliable and robust contact system. The electrical connection is established by a combination of pressure contact and soldering. Solder paste is applied to the carrier substrate where the header is then placed and soldered on both top and bottom surfaces. The contact system is designed such that the solder joint creates an intimate mechanical and electrical connection between the substrate and header. The contact system is highly resistant to the damage caused by shock, vibration and other environmental factors. This ensures a reliable connection in a wide range of applications.

The contact system also has a temperature range of -25°C to +105°C, making it suitable for use in a wide range of temperature applications. The terminal of the header is designed to accept surface mount wire-to-board connectors such as crimp sleeves and the like, ensuring good electrical connection performance. The header is also designed to accept Kapton® insulation covers to protect against accidental or direct contact with the contacts.

Overall, the DF57-4P-1.2V(21) is a highly reliable and versatile rectangular connector, ideal for a wide range of applications in consumer electronics, telecommunications, automotive, and many more. Its highly reliable contact system ensures reliable connections, while its low profile and small form factor make it a great choice for space-constrained projects.

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