55755-091LF

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Arrays, edge type, mezzanine (board to board) rectangular connectors provide a means to electrically connect two printed circuit boards (PCBs). The 55755-091LF connector type is designed for high-speed applications, and also features a low profile and a wide contact area which is capable of handling larger current capacities.

Looking specifically at the 55755-091LF, there are two mating halves that make up the connector system. The socket, or receptacle side, is installed on a receptacle PCB (the main board that provides power) and the header part is installed on the board to be connected to the main receptacle board. The socket is a rectangular connector that has a single line of contact pins and a wide contact area that provides increased contact to the pins, ensuring good electrical connection. The header provides a separate line of pins that can be soldered directly onto the board or have wires crimped onto them.

The 55755-091LF uses columns of contact pins to provide power from the socket side to the header side. The pins are arranged in two columns, the top consisting of 8 contact pins, and the bottom consisting of 5 contact pins. The 8 pins carry power, and the 5 pins carry ground or signal. The contact pins are constructed from a high-performance, heat-resistant alloy, and are rated to handle up to 10A of current, allowing for a wide range of current applications.

In addition to providing power and ground, the 55755-091LF also features a shielding plate on the socket side that contacts the board mounted on the header side. The shielding plate provides a low EMI (electromagnetic interference) solution, allowing for the passage of signals without interference from outside sources. The shielding plate also helps to dissipate heat, protecting the contact pins from overheating.

The 55755-091LF connector has a wide range of uses, due to its strong current capacity, low EMI, and heat dissipation capabilities. It is commonly used in audio and video applications, automotive and industrial (HVAC/R and Robotics) applications, electrical systems, telecommunications, medical equipment, and consumer electronics.

An overview of the 55755-091LF application field and working principle can be summarized as follows: the connector is designed for use in high-speed applications, featuring two mating halves (socket and header) and a wide contact area; the contact pins are arranged in two columns (8 power pins and 5 ground/signal pins) and constructed from a high-performance alloy; the shielding plate on the socket side provides low EMI and helps dissipate heat; the 55755-091LF can be used in a variety of applications, such as audio and video, automotive and industrial, electrical, telecommunications, medical, and consumer electronics.

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