91289-101LF Connectors, Interconnects

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Backplane connectors are a class of electrical connectors that are used in high speed interconnect applications to connect devices such as motherboards, daughter boards, backplanes, and more. These connectors are capable of transmitting high-speed signals while maintaining reliable signal integrity, and they are often used in harsh environments. 91289-101LF backplane connectors are an example of a type of backplane connector from the Amphenol family.

The 91289-101LF backplane connector is a high-density dual-row board-to-board connector. It has 61 contacts, a wire-sleeve contact configuration of four circuits per contact, and a robust metal shell for secure mount with solder retention. This connector system provides a reliable connection at fast transmission speeds of up to 6.5 Gb/s. It is designed to operate in temperatures of -40 °C to +105°C and is able to withstand high shock, up to 100 Gs, and vibration of up to 12.9 Gs.

The 91289-101LF backplane connector is primarily used in the telecommunications industry, where reliable high-speed signal transmission in extreme environments is required. These connectors are also suited for applications in medical equipment, test and measurement equipment, aerospace, and more. Furthermore, this type of connector is compliant with DEX and RoHs standards.

Working Principle of 91289-101LF Backplane Connectors

Backplane connectors are designed to transmithigh-speed signals with minimum skew, jitter and crosstalk at high speeds over the board plane. The working principle of the 91289-101LF backplane connector is based on the use of low-profile board-to-board connectors, which have a single row design that allows for easier mating and un-mating of the boards. The connector also has a low impedance path for signal transmission, which reduces the crosstalk and jitter caused by the signal. The contacts are designed to have an optimal wiping action, which eliminates the risk of damage to the contacts due to excessive wear.

The connector also features a robust, low-insertion-force snap-in insulation shell that ensures secure mounting of the connectors on the board. This insulation shell also helps to reduce the induced ground noise and crosstalk. Furthermore, the connectors are designed to be compliant to EMC requirements, and they are tested to ensure reliable signal integrity at high speed.

Conclusion

The 91289-101LF backplane connectors from Amphenol are designed for reliable high-speed signal transmission in extreme environments and they are suitable for a variety of applications in different markets. Its low-profile design and robust insulation shell allow for easier mating and un-mating of the boards. The signal transmission is optimized with a low impedance path for signal transmission and an optimized wiping action of the contacts. Furthermore, the connector is compliant to EMC requirements and is tested to ensure reliable signal integrity at high speeds.

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