88952-101LF

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Specialized backplane connectors are critical components for virtually all types of industrial machinery and electronics components. A prominent example is the 88952-101LF connector. This product, manufactured by Molex, is a surface mount backplane connector that can be used in numerous different applications and environments. This article seeks to explain the specific applications of the 88952-101LF connector, its key features, and its underlying working principle.

Application Field

The 88952-101LF is a 9-position surface mount connector. This means that it is intended for use in circuit boards that require a slimmer interface with high densities, as well as situations where space is limited. It is utilized in a variety of electronic devices, including networking equipment, telecommunications systems, fiber optics modules, communications systems, particularly LANs, and more.

This particular connector is designed for use in systems where the primary goal is to reduce crosstalk, and to limit interference from both emissions and radiation. This has caused the 88952-101LF to become a staple in many industries that require sensitive circuits, including medical technology, military-grade systems, and automotive developments. It is also suitable for high-efficiency, power over Ethernet (PoE) applications provided by IT infrastructures, such as Wi-Fi access points.

Features

The main feature that contributes to the 88952-101LF’s widespread use is its capacity for improved crosstalk and interference suppression. This is achieved through its design, which contains two Delrin insulation strips and two intricate contact configurations. It also features a low profile, a combination of solder tabs and Z-height targets, and a current rating of 6A.

The 88952-101LF’s contact configuration features differential and single-ended contacts, with the former providing improved crosstalk and impedance matching capabilities. The connector also offers optimized PCB Trace routing with 360° shielding, resulting in the maximization of signal integrity. Furthermore, its unique contact design produces near ideal impedance profiles, significantly reducing the effects of signal distortion.

The connector also offers excellent environmental sealing and dust protection thanks to its two Delrin insulation strips. The grooves on the outside ensure that the connector is easy to locate and mount. Moreover, the ground pins are optimized to reduce the effects of crosstalk between adjacent positions.

Working Principle

The 88952-101LF works on the principle that it contains two contact configurations (differential and single-ended) that are intricately designed to reduce crosstalk and electric interference. The differential configuration is designed to minimize unwanted signals and noise in both directions. This is achieved via the differential conductors, which are coupled in common mode, and the centered ground planes, which act as a noise shield. Additionally, the single-ended contact configuration uses separated signal/ground pins, aiding in the optimization of signal to noise ratio.

In this particular connector, the contact configuration is further enhanced by the use of two Delrin strips. These strips minimize the air gap between the contact points and increase the contact points’ pressure, effectively creating an impervious shield against unwanted interference. Additionally, the use of targeted Z-height for the contacts and solder tabs further improves the signal-to-noise ratio of the connector.

Conclusion

To conclude, the 88952-101LF connector is an effective solution for a variety of applications where interference and crosstalk suppression are of paramount importance. Its unique configuration and design features make it suitable for a wide range of industrial and telecom applications, including networking, telecommunications, and medical Technology. It also significantly reduces signal disruption and distortion, making it an ideal choice for use in power over Ethernet devices.

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