640504-2

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Rectangular connectors are used as the basis for many electronic linkages. A typical assembly will include a male receptacle, female header, and a few different mating pins or blades. 640504-2 connectors are type of rectangular connectors featuring two rows of contacts which are common in applications such as IEEE 1394 FireWire, PCMCIA, and CompactFlash. The two rows are separated by a non-conductive section of the connector known as the key. This serves to only allow mating if the correct connector is used, preventing mis-matches from occurring that could lead to damage.

The 640504-2 connector is referred to as a male connector, meaning that when installed it has two rows of exposed pins. This makes it an ideal choice for interconnecting components such as micro-controllers, cameras, and miniature circuit boards requiring high-speed signaling. It has a 2.54mm pitch with 25 contacts in each row. The contacts, or pins, are made of gold-plated brass and are protected by a plastic housing. Depending on the application, the 640504-2 is available in surface mount and through-hole versions.

To facilitate its ability to incorporate into tight-tolerances, the 640504-2 connector also features a hinged retention that locks into either side of a housing when assembled. On the flip side, the female counterpart to the 640504-2, referred to as the 640503-2, features two rows of sockets for receiving the male pins. Twist-lock designs are available to aid in the latching of the connector and prevent it from becoming detached during operation due to vibration or other external factors.

At its core operation, the 640504-2 provides a reliable link between two electrical signals. When the properly matched mating connector is used and the pins are firmly connected, it creates an electrical path between two devices. The precise contact design of the connector ensures that any possible interferences, such as radio frequency or physical shock, are reduced to a minimum. That is why the 640504-2 connector has found particular use in the automotive industry as a reliable way to link control units, sensors, and other onboard equipment.

Overall the 640504-2 connector provides an effective way to join two or more electrical circuits. Its hinged retention, pitched contacts, and twist-lock designs make it particularly durable and less prone to errors caused by mis-alignment. Furthermore, its versatile design makes it suitable for a multitude of commercial, industrial, and automotive settings. It has quickly become an industry standard and will likely continue to be used for many applications for a long while.

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