51940-436LF

Series:	PwrBlade®
Packaging:	Tray
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Connector Usage:	--
Connector Type:	Receptacle, Female Sockets and Blade Sockets
Connector Style:	Blade Power
Number of Positions:	41
Number of Positions Loaded:	All
Pitch:	0.100" (2.54mm)
Number of Rows:	4
Number of Columns:	--
Mounting Type:	Through Hole
Termination:	Solder
Contact Layout, Typical:	28 Signal, 13 Power
Features:	Board Lock, Guide Pin
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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Introduction51940-436LF is a special-purpose, high-performing backplane connector. This connector series is designed to offer significant signal integrity performance and reliability for a wide variety of backplane applications, such as those involving high board densities, high-speed data transfers, and power requirements. This article provides an overview of the 51940-436LF connector\'s application field and working principle. Application Field41940-436LF backplane connectors are designed for high-speed switched networks (switched ethernet, Fibre Channel, etc.), electronics applications (storage, server, communications, computing, HPC, and more), medical imaging, as well as ASICs and communication chipsets. The 51940-436LF backplane connector has excellent signal integrity and reliability including proven EMI/RFI noise coupled immunity. With a beautiful gold-plated contact and an advanced board mounting system, it provides easy and reliable installation of the connector into the backplane. The connector is also designed for a robust system, with improved shock and vibration performance, as well as better EMC performance than traditional backplane connectors. Working PrincipleThe 51940-436LF connector-level package design is based on individual contact placement on the board side and mating contacts in a sealed receptacle in the backplane. The contact remains in place on the board at all times, allowing signal integrity performance to be optimized while preventing any contact cross-coupling. The connector design also eliminates crosstalk parasitic coupling related to the signal return, thus making it an ideal choice for mission-critical, high-speed applications. The connector is compliant with multiple industry standards, which ensures that it will operate reliably and perform optimally in the intended application environment. Additionally, the patented "Recessing Board Attachment" system locks the connector in place, minimizing the risk of accidental contact disengagement. The sealing performance of the 51940-436LF connector is excellent. It uses five pairs of standard sealing gaskets, plus an additional gasket for the protruding rear area. This allows the connector to achieve a maximum operating pressure of 10 inches H20, which helps to ensure a reliable operation even in harsh environments.ConclusionThe 51940-436LF backplane connector offers superior signal integrity and reliability in demanding applications. The connector is compliant with multiple industry standards and provides an advanced board mounting system for a reliable installation in the backplane. Additionally, the connector\'s excellent sealing performance makes it an ideal choice for mission-critical, high-speed applications.

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