638514-8

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Part Status:	Active

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Rectangular Connectors - Housings

Rectangular connectors are electrical connectors in the form of rectangular housings with a series of conductive contacts. Also referred to as rectangular, edge connectors, edge-board connectors or plugs, these are specifically designed for specific applications, ranging from home and office machines, to motor vehicles, audio/video equipment, to medical and industrial equipment. 638514-8 is one of the many connectors in the rectangular family. It’s an insulated housing, interlocked with a cover and equipped with various wiring options, such as screw, rivet, solder, and plug-in sockets. It’s perfectly suited for applications to protect cables, connectors, and their attached components, from a variety of environmental factors.

Application Field

This connector system is ideally suited for a variety of PCB applications. Its insulation is rated up to IP67, making it safe for the most demanding dust, liquid or moisture exposure. It also has UL 94 flammability rating, meaning it is flame-retardant and antifreeze-resistant. 638514-8 also has high power resistance, making it highly suitable for applications where high current capacity is needed. One possible application of 638514-8 is its use as a connector for electronic systems used in medical equipment, such as infusion pumps, vital sign monitors, EKG’s, and glucose monitors. Medical equipment often need to be exposed to liquids, and 638514-8 guarantees reliable contact with the circuits while keeping its contacts safe from liquid and dust intrusion. Other applications such as audio/video, stage lighting, or industrial equipment are also possible.

Working Principle

The 638514-8 rectangular connector is a polarization-keyed connector, which means it has a distinct mechanized mating key arrangement. One end of the connector is designed to fit only into a mating surface of the other end, thus, preventing misalignment. The connector’s contacts are held by opposing modules which are insulated with PBT material and molded to form the housing. The modules contain one or more contacts which are in direct contact with the mating surface, and these contacts can be attached to the housings with either screws, rivets or soldering. Another feature of the 638514-8 is its wide range of cable entry design options. It has three close-entry options and two open-entry options, allowing it to accommodate different sizes of wires. The function of the contacts, meanwhile, are defined by the current rating and current density requirements, and the contact materials are selected accordingly to provide the best contact performance to meet these requirements. In conclusion, the 638514-8 connector has been designed to meet the most demanding requirements and its versatility makes it suitable for a wide range of applications. Its polarization-keyed and insulation features make it more reliable than traditional connectors, while its cable entry design options and contact materials guarantee safe and reliable connections.

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