L77DC37SVF Connectors, Interconnects

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D-Sub Connectors cover a whole family of connectors which are widely used to connect serial and parallel interfaces, mainly for the encasement of hardware. Among the whole family, L77DC37SVF is one of the most commonly used connectors. This article will explain its application field and working principle.

Application Field of L77DC37SVF

L77DC37SVF is multi-pin connectors with 37 stacked pins for both DB37 male and female interfaces, fully compliant with the standard IEC-61076-2-109. This connector is mainly used in electronic devices, such as computer, monitors, printers, modems, and other peripherals. It\'s widely used in data and telecommunication applications due to its reliable connection and space-saving features.

Working Principle of L77DC37SVF

The connectors feature a male 37-pin configuration, with a locking mechanism which secures the connection and prevents cable damage. The pins are locked by a cammed plunger fitted and can only be unlocked by inserting a special key. The spring-loaded plunger is embedded or ‘cold welded’ into the dielectric and the adjacent pins are set into a moulded block to ensure a high resistance to shock and vibration. Furthermore, the male housing and the female cable insulator are held together by a special locking ring, ensuring a secure and robust connection.

These connectors are also designed with two coaxial contacts which are used to improve mechanical strength and impedance matching required for balanced transmission. In addition, it is possible to use a single contact to reduce the connection time for faster and more reliable mating. The impedance of coaxial contact ranges from 50Ω to 75Ω and conforms to Mil-I-45608A.

Conclusion

In conclusion, L77DC37SVF is a reliable and space-saving multi-pin connector which is widely used to connect serial and parallel interfaces in electronic devices. It features a locking mechanism as well as two coaxial contacts for better mechanical strength and impedance matching. It is fully compliant with the standard IEC-61076-2-109 and has a wide range of application fields.

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