91901-31551LF

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Rectangular connectors have become standard in electronics systems worldwide. 91901-31551LF is a type of rectangular connector and is part of the Edge Type, Mezzanine (Board to Board) category, which is specifically designed for use in printed circuit board-to-printed circuit board applications. Below, we discuss the application field and working principle of 91901-31551LF.

Application Field:

91901-31551LF is an edge-type board-to-board mezzanine connector that offers superior performance and reliability, and is suitable for a wide range of applications. It can be used in any type of desktop, mobile, or server computer applications that require a reliable connection for data transfer and power. It is also suitable for high-density applications such as hard disk drives, other business network servers, and computer motherboards.

This connector is ideal for both permanent and semi-permanent PCB mounting applications. It can also be used in industrial, medical, and telecommunications applications in addition to consumer products. The connector is available in two row, corner-mounted versions that can accommodate a wide range of standard PCB thicknesses.

Working Principle:

91901-31551LF offers several advantages, such as excellent electrical connections, and low restriction of motion. The connectors are designed to provide reliable performance in temperatures ranging from -10°C to +85°C. The low-profile module makes it a great choice of connector for reduced PCB real estate.

The connector uses signal and power contacts in a staggered two row, corner-mounted connector that creates two separate mating points. This ensures more reliable signal and power contacts, as well as increased contact area where noise and corrosion are reduced. The contacts are protected by a hard-wearing yellow chromate surface finish that ensures superior wear and reliability.

The 91901-31551LF is designed with an anti-vibration feature to ensure reliable and stable performance in high-vibration applications. This connector also offers high density through-hole arrays for additional contacts, as well as two polarized separations which provide enhanced alignment and improved registration.

In addition, the standard contacts have gold-plated phosphor bronze alloy springs for superior conductivity and corrosion protection. The contact mating area is protected by a robust, two-piece molded plastic housing to provide superior protection against environmental elements such as dust, dirt, and moisture. This connector is tested and proven to withstand over 1,000 mating cycles.

The 91901-31551LF also has a low profile and is designed with a center-mount board alignment that reduces stress on the board during assembly. This also ensures accurate placement for more secure electrical connections.

In conclusion, the 91901-31551LF is a reliable and robust edge-type board-to-board mezzanine connector. It offers excellent electrical connections and is suitable for a wide range of applications. It can withstand high temperatures and vibration, and offers superior wear and corrosion protection. Its reliable performance and robust design make it an ideal choice for applications in industries such as consumer products, industrial, medical, and telecommunications.

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