90122-0790

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Rectangular connectors—headers, male pins—can vary in their physical and electrical characterisitics, and their use is dependent upon the desired application. The 90122-0790 model is a standard, right-angle male header, 8-pins long. Constructed of quality materials, this connector offers reliable and consistent performance suitable for a wide range of electronic applications. This article examines the 90122-0790 model further, examining its specifications and applications, as well as its working principles.

Specifications

The 90122-0790 male header is a room temperature molded, two-piece product made of beryllium copper with a matte tin over nickel nickel finish. The overall length of this connector is 9.70mm, with a ± 0.1 mm tolerance, and the insulation thickness is 0.25 mm. The contact is 0.5 mm tall with a center ring diameter of 0.4mm. The rated operating voltage is 30 V AC, and the rated current is 0.69A AC/DC. The insertion force is approximately 0.8N, and the insulation resistance is 10MΩ min.

Applications

The 90122-0790 male header is suitable for a wide range of applications within the electronics and IT industries. As a right-angle plug with a low-profile design, this model can be conveniently used in space-constrained, high-density environments. Its features make it particularly useful for edge-board connection, terminal blocks, printed circuit boards, and SMC connector headers. Its low insertion force and excellent electrical performance functions well within computer and industrial control systems, communication equipment, home decoration, wiring harnesses, and electrical appliances.

Working Principle

The 90122-0790 male header consists of an insulator and a metal terminal that come into contact with the mating part, usually a female header, in a “positive latching” arrangement. This “locking” connection minimizes or eliminates the possibility of the headers accidentally coming apart due to vibration or physical impact. The contact area of the terminal is plated with a metallic surface to ensure proper electrical contact when used. To ensure a secure connection the pins are usually mechanically held in place, such as using a locking clip.The electrical connection created by the 90122-0790 male header is determined by how the metal pins are arranged and distributed electrically. Often this is in the form of a common ground but can also be used for voltage or signal applications. In addition, depending on the specific application, the pins may be arranged in daisy-chain, mesh and other configurations.

Conclusion

The 90122-0790 terminal header is a high-quality, low-profile right-angle male header designed for a variety of applications within the electronics and IT industries. This model is constructed of quality materials, is small in form factor, and offers reliable electrical performance. It is able to connect with a variety of female headers and can be used to create the necessary electrical connections for various applications. Its versatility and performance capabilities make the 90122-0790 male header an excellent choice for many industry projects.

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