51940-157

Number of Columns:	--
Voltage Rating:	--
Operating Temperature:	-20°C ~ 105°C
Material Flammability Rating:	UL94 V-0
Current Rating:	--
Color:	Black
Contact Finish Thickness:	30.0µin (0.76µm)
Contact Finish:	Gold or Gold, GXT™
Features:	Guide Pin
Contact Layout, Typical:	16 Signal, 9 Power
Termination:	Solder
Mounting Type:	Through Hole
Series:	PwrBlade®
Number of Rows:	4
Pitch:	0.100" (2.54mm)
Number of Positions Loaded:	All
Number of Positions:	25
Connector Style:	Blade Power
Connector Type:	Receptacle, Female Sockets and Blade Sockets
Connector Usage:	--
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Tray

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Backplane connectors are physical components used to join two or more printed circuit boards together, forming what is known as a backplane. The common types of backplane connectors include pin and socket connectors, edge board connectors, daughterboard connectors, and plug-and-play connectors. The 51940-157 is a specialized backplane connector that falls within these categories. It offers features and benefits that make it ideal for a variety of applications, including telecommunications, computing, and military/aerospace products. In this article, we will discuss the 51940-157’s field of application and the working principles that make it an effective tool.

The 51940-157 is primarily used for data communications applications, such as telecommunications, computing, and military/aerospace products. It can handle high-speed data transmission up to 15.753 Gbps and has a maximum operating voltage of 3.3V. It also supports low-cost production, helping reduce overall costs. It meets the requirements of the Industrial Ethernet Protocol (IEP) and the Open System Interconnection (OSI) layer 1, and complies with the RoHS directives.

The 51940-157 is designed for high-density and compact backplane systems. It features a standard pin design and a pin-grid array (PGA) for maximum flexibility. The 51940-157 utilizes blind-mate technology, making connections even easier and faster. The connector also features unlimited backplane expansions, making it an ideal choice for applications requiring a large number of PCBs.

The 51940-157 is designed with working principles that help ensure reliable operation. It utilizes a two-tier termination system, with pins and sockets mating together to ensure a secure connection. The pins and sockets are then soldered onto the printed circuit boards. This two-tier termination system ensures that the connections are reliable and stable, and helps to reduce the risk of short circuits.

The 51940-157 is also designed with a durable design that helps to ensure a long operating life. The connectors features robust locking tabs that prevent accidental disconnection. It also utilizes a mechanical key that prevents adjacent connectors from being connected, helping to ensure that no misconnections occur.

The 51940-157 also features superior signal protection. It is designed with integrated ESD protection, helping to safeguard the transmitted signal from static discharge. The connector also utilizes electromagnetic interference (EMI) shielding, helping to ensure that the signal is free from electromagnetic interference.

The 51940-157 is a specialized backplane connector designed for a variety of applications. It offers features and benefits such as high-speed data transmission, compact design, unlimited backplane expansions, two-tier termination, lockable tabs, and EMI shielding that help to ensure reliable and secure connections. It is therefore an ideal choice for a variety of data communications applications.

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