WR-120P-HF-HD-A1E

Series:	WR
Packaging:	Tray
Part Status:	Active
Connector Type:	Plug, Outer Shroud Contacts
Number of Positions:	120
Pitch:	0.020" (0.50mm)
Number of Rows:	2
Mounting Type:	Surface Mount, Right Angle
Features:	Solder Retention
Contact Finish:	Gold
Contact Finish Thickness:	3.90µin (0.099µm)
Mated Stacking Heights:	--
Height Above Board:	0.185" (4.70mm)

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Introduction

WR-120P-HF-HD-A1E is a type of edge-type, mezzanine connector, also known as board-to-board connectors. It is increasingly popular in the application of applications that require a high-reliability interface between two printed circuit board assemblies. This article will discuss the application of WR-120P-HF-HD-A1E and its working principle in more detail.

Application Fields

WR-120P-HF-HD-A1E is a high-performance, reliable, and robust board-to-board connection solution. This connector is designed to provide an efficient connection between two printed circuit board assemblies and provide a reliable electrical interface that is resistant to shock and vibration. It is often used for critical system applications in the aerospace, military, and industrial sectors. This type of connector is extremely reliable and can operate at high temperatures and provide superior performance in rugged environments. WR-120P-HF-HD-A1E is also used in in telecommunications, data storage, and switching applications where greater attenuation and higher frequencies are required. The connector pin geometry is designed such that there is negligible crosstalk and low noise interference. This makes this type of connector ideal for applications where noise levels are critical, such as those found in the medical and automotive industries. WR-120P-HF-HD-A1E is also suitable for use in consumer electronics, entertainment systems, high-definition television, security surveillance systems, and industrial automation systems.

Working Principle

WR-120P-HF-HD-A1E is composed of a two-piece assembly that has a keyed mating interface. The housing is usually made from UL 94V-0 rated plastic and features snap-locking lances that ensure secure locking engagement. The receptacle is designed with two rows of gold-plated contacts and a top and bottom latching mechanism. The contacts have high frequency-capable solder tails for reliable connections to printed circuit boards. The latching system ensures a positive connection between the two assemblies and is highly reliable against shock and vibration. Each contact is insulated with a Teflon (PTFE) insulating material to reduce crosstalk and noise interference. The metal-to-metal contact between pins eliminates the need for a plastic sheet and solder wick.

Conclusion

WR-120P-HF-HD-A1E is an innovative edge-type, mezzanine connector that is designed to provide highly reliable electrical connections between two printed circuit board assemblies. It is suitable for use in a variety of applications, including aerospace, military, industrial, medical, telecom, data storage, switching, consumer electronics, and entertainment systems. The connector features a two-piece assembly with a keyed mating interface and snap-locking lances for secure locking engagement. The contacts have high frequency-capable solder tails for reliable connections to printed circuit boards and are insulated with a Teflon insulating material to reduce crosstalk and noise interference. The metal-to-metal contact between pins eliminates the need for a plastic sheet and solder wick.

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