51939-483LF

Series:	PwrBlade®
Packaging:	Tray
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Connector Usage:	--
Connector Type:	Header, Male Pins and Blades
Connector Style:	Blade Power
Number of Positions:	18
Number of Positions Loaded:	14
Pitch:	0.100" (2.54mm)
Number of Rows:	4
Number of Columns:	--
Mounting Type:	Board Edge, Through Hole, Right Angle
Termination:	Solder
Contact Layout, Typical:	16 Signal, 2 Power
Features:	Board Lock
Contact Finish:	Gold or Gold, GXT™
Contact Finish Thickness:	30.0µin (0.76µm)
Color:	Black
Current Rating:	--
Material Flammability Rating:	UL94 V-0
Operating Temperature:	-20°C ~ 105°C
Voltage Rating:	--

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Backplane Connectors - Specialized

Backplane connectors enable the connection of electronic equipment within a backplane and backplane systems. Specialized backplane connectors are specifically designed for specialized applications and work in concert with other components to form a complex system. One such specialized backplane connector is the 51939-483LF. This article will focus on the application field and working principle of the 51939-483LF.

Application Field

The 51939-483LF backplane connector serves as a reliable and robust connection between high-speed components within advanced backplane systems. The connector is comprised of a plastic housing and metal contacts, and is used in both singleended and differential signal applications. It is designed to handle signals up to 3GHz and allows users to reliably and securely connect a variety of signals in the design of specialized backplanes.The 51939-483LF backplane connector is well suited for applications where low insertion force and high-speed signals are needed. It is most commonly found in backplanes for aerospace, defense, industrial, telecommunications, and datacom applications.

Construction and Working Principle

The 51939-483LF backplane connector consists of two main components: a plastic housing and metal contacts. The housing is comprised of a one-piece injection-molded plastic that securely holds the contacts. It is designed to hold signal, power, and ground connections and has a .025-inch pitch connector layout with 162 pins. The 51939-483LF utilizes a unique spring-like design that helps secure contacts when plugged into the backplane system. The contacts are made from gold-plated beryllium-copper alloy and have an optimized scrubbing system that creates a superior signal connection. The contacts are designed to be low insertion force meaning they require less force to plug in and support up to 3GHz signal frequencies. In addition, the 51939-483LF connector utilizes a unique retention system with a clamshell configuration that helps secure the contacts in place. This allows for reliable mating and superior signal and power connections providing optimal performance.

Conclusion

The 51939-483LF backplane connector is an ideal choice for specialized, low-insertion force applications, and is well suited for aerospace, defense, industrial, telecommunications, and data communications applications. It is designed to easily handle signals up to 3GHz and uses a unique set of contacts and clamshell retenion system to ensure reliable mating with the backplane system. By utilizing specialized backplane connectors such as the 51939-483LF, users are able to develop reliable, high-speed backplane systems that are capable of serving a variety of applications. With its technology, the 51939-483LF is sure to ensure a secure, high performance connection that meets the demands of a variety of specialized backplane systems.

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