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927155-1 Application Field and Working Principle

The 927155-1 is a card edge connector used in a variety of electronic applications. It was designed to provide a cost-effective connection to printed circuit boards (PCBs). This connector offers several advantages, such as low profile and light weight, high pin-retention force, and optional grounding stripes. It is suitable for use in a variety of applications, including data communications, consumer electronics, automotive, and industrial control.

Principles of Operation

The 927155-1 is a single-row, right-angled card-edge connector that is mounted using either post or press-fit techniques. It has a 0.063” (2mm) mating interface height. The connector features two sets of gold-plated contacts. The contact position closest to the board is 0.800” (20.32mm) from the tip of the board. Contacts on the mid-row section are 0.100” (2.54mm) from the edge of the board. The contact position furthest from the board is 0.015” (0.38mm) from the edge of the board.

The body of the 927155-1 has positive polarizing features on the top and bottom that are used to ensure that the connector cannot be installed on the board facing the wrong direction. This eliminates the possibility of short circuits due to reversed connectors or misalignment. The body also features stabilization lances on the sides that ensure the connector stays firmly anchored to the PCB.

Types of Termination

The 927155-1 is offered in two different types of termination: through-hole and surface mount. The through-hole variety of the connector is meant to be soldered directly to the board, whereas the surface mount connector utilizes wave soldering or an automated process for assembly.

Applications for 927155-1

The 927155-1 is a versatile connector that is suitable for numerous applications. Common uses include telecommunications, medical instruments, audio/visual equipment, consumer electronics, and automotive devices. Its compact size and low profile make it a great choice for use in space-constrained designs.

Due to its reliable design and robust construction, the 927155-1 is also used in industrial applications where high-temperature performance and high vibration resistance is required. The connectors have been tested and rated for an operating temperature range of -55°C to 125°C and have vibration resistance up to 70G.

Conclusion

The 927155-1 is a reliable card edge connector designed for a variety of applications. Its low profile and light weight make it an ideal choice for space-constrained designs. It features two sets of gold-plated contacts with high pin-retention force and optional grounding stripes. The connector utilizes either post or press-fit techniques for mounting, and is available in either through-hole or surface mount termination. It offers excellent performance in both low-temperature and high-vibration environments.

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