ESQT-117-03-S-Q-309

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The ESQT-117-03-S-Q-309 is a type of rectangular connectors, most popularly referred to as headers, receptacles, and female sockets. This type of connector offers an array of applications and working principles, and this article will provide an in-depth look at the capabilities of the ESQT-117-03-S-Q-309.

Overview of the ESQT-117-03-S-Q-309

The ESQT-117-03-S-Q-309 is a rectangular header-style connector with a 0.85-in. pitch, and is part of the ESQT series of headers. This series was designed to provide higher packing density and lower insertion force than their predecessors, and the ESQT-117-03-S-Q-309 offers the same advantages. It is offered in two contacts (3-mm pitch) and is rated up to 1000 volts. It is designed to withstand up to 500 mating cycles, and offers a maximum current rating of 10 amps.

Application Fields and Working Principles

The main application field of the ESQT-117-03-S-Q-309 is high-density, cost-efficient power and signal transmission. These headers provide an ideal solution for power and signal transmission in cramped locations, such as computer cases, board-to-board connectors, and flex cables. They can also be used in a variety of applications, including telecom and automotive industries, PCMCIA cards, and medical devices.

The ESQT-117-03-S-Q-309 utilizes a standard contact arrangement, which consists of two rows of 30 contacts each. The internal contact points are spaced 0.85 in. apart from each other to provide superior mating performance. The contacts feature edge-to-edge spacing to enable better high-frequency performance, and the contact points are gas-tight for a stronger connection.

The ESQT-117-03-S-Q-309 headers also feature full-insulated contacts, which are capable of withstanding up to 1000 volts. The insulation consists of a nylon 66 body with a polyester base, which is then strengthened with an overall nylon overmold. This ensures superior insulation over traditional methods, such as dielectric tapes or hot-melt materials.

Protection Against Contaminants

The ESQT-117-03-S-Q-309 utilizes a unique seal design to protect against contaminants. The contacts feature a unique back cover design, which locks each contact into place after insertion. This ensures superior contact insertion, which also protects against contact movement and consequent corrosion. Additionally, a number of optional sealing seals can be used for further protection against dust, moisture, and debris.

Other Features

The ESQT-117-03-S-Q-309 headers also feature a few notable features. For instance, the contact tails feature solder-lock technology, which allows for easy soldering and protection against contact movement. Additionally, they also feature flexible locking latches, which allow the connector to be secured via a variety of mounting techniques, including soldering and screwing. Finally, polarized keying ensures the accurate connection of the connector, and a number of optional accessories are available to further customize the solution.

Conclusion

The ESQT-117-03-S-Q-309 is an ideal connector for power and signal transmission applications. It is designed to provide a higher packing density and lower insertion force than similar connectors, and is rated up to 1000 volts. Additionally, it features full-insulated contacts, a unique seal design, solder-lock technology, flexible locking latches, and polarized keying. With its numerous advantages and features, the ESQT-117-03-S-Q-309 offers an ideal solution for most high-density, cost-efficient power and signal transmission applications.

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