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Rectangular Connectors - Headers, Male Pins

The 78938-403HLF is a high frequency/high data rate rectangular connector designed for operating frequencies up to 4GHz in a variety of harsh environments. Its primary application field is in the telecommunications and broadcast industries. The 78938-403HLF is also highly suited for use in digital video broadcast (DVB) systems, radio communication systems, antenna communication systems, wireless network applications, and high-speed LAN infrastructure. It is a hybrid header connector with 1 degree of polarization, available in both right angle and straight configurations, with vertically mounted receptacle and an adjacent 2mm pitch, 4-pole male pin header.

Working Principle

The "HLF" portion of this rectangular connector\'s part number stands for "Hybrid Leadless Face". The primary feature of the "HLF" is its highly reliable "Leadless" design. This heavy-duty connector features four gold-plated pins housed in an aluminum shield that eliminates the use of fragile leads either on the connector or the cable assembly. This design eliminates the issues associated with lead-based connectors and provides improved conductor pull-out resistance and higher long-term reliability. The 78938-403HLF also has built-in Electro-Magnetic Compatibility (EMC) features, with solid shielding with an EMI sealing gasket providing complete protection from the environment.

The 78938-403HLF includes four 0.026” diameter, gold-plated pins in an aluminum housing and a 0.060” diameter terminal shroud. This design gives the connector low contact resistance and high reliability. The male connector has an easy-to-use twist-pitch coupling system for quick and reliable installation. The 78938-403HLF is suitable for applications subjected to shock and vibration in the industrial and automotive markets, as well as in the high-frequency data transmission and broadcast industries.

Conclusion

The 78938-403HLF is a high-frequency/high-data rate, hybrid header connector that is suitable for a variety of harsh environments and is designed for operating frequencies up to 4GHz. Its primary application field is in the telecommunications and broadcast industries, with multiple features that provide improved conductor pull-out resistance and higher long-term reliability. Its easy-to-use twist-pitch coupling system makes for quick and reliable installation. It is a unique connector with multiple advantages that make it particularly well-suited for a number of industries.

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