DF4-9PA-2R28

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The DF4-9PA-2R28 is a type of Rectangular Connector – Board In, Direct Wire to Board. It is a two-position board- in, direct wire-to-board connector, and comprises of an insulator housing containing two pins, and a plastic polarizing key for correct mating of the two halves. It has two rows of dual-millimeters square body, with one row having a (-) and the other having a (+) contact. It is typically suitable for power and signal transmission applications, where safety is an issue.

Its application field includes motors, energy equipment, consumer electronics, home appliances, computers, car accessories, networking products, controlling systems, industrial automation, and other related applications. As a versatile wiring solution, this direct wire-to-board type connector is mainly used in applications where space is at a premium.

In addition to the convenience of the connector, its two rows of dual-millimeters square body have some specific advantages. For example, it provides good electrical characteristics with improved current rating, it is highly reliable, it reduces the need for multiple connections, and it has a low profile for easier mating. Furthermore, its Polarizing Key and round opening ensure precise mating stability.

The working principle of the DF4-9PA-2R28 is fairly simple. It consists of an insulating housing and two pins. When inserted, the two pins form the interface between the wiring system and the device. The insulating housing can be secured into an appropriately-sized mating area, and locked in place with the help of the polarizing key. The locking system also prevents unintentional unmating of the connector.

The DF4-9PA-2R28 connector is known for its reliability and durability, thanks to its carefully designed formulation to ensure maximum contact integrity and durability. The gold plating of the contact pads ensures good electrical contact and optimum performance. Its insulation resistance is high enough to ensure that the contacts do not short out or experience breakdown due to a too-high temperature.

All in all, the DF4-9PA-2R28 is a highly reliable and sturdy two-position board-in, direct wire-to-board connector that can be confidently used in power and signal transmission applications. Its simple working principle, combined with its reliable current rating and low profile, make it an ideal choice for applications where space is a premium.

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