51940-003

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:	Board Lock, Guide Pin
Contact Layout, Typical:	16 Signal, 13 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:	29
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Part Status:	Obsolete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 - Specialized

Backplane connectors are specialized types of connectors and they can come in many shapes and sizes.The 51940-003 is one such specialized connector, designed for the purpose of interconnecting various components in a variety of applications. In this article, we discuss the various application fields and working principles associated with this specific type of connector.

Application Fields

The 51940-003 is mainly used in telecommunications, industrial control, and automotive applications.In the telecommunications industry, it is used as a connection between a motherboardand daughterboard, often for processing, controlling and networking signals. It ensures high signal integrity in bidirectional bus communication. In industrial control, the 51940-003 is used to route power and data signals between subsystems or components. It’s used in everything from HVAC systems to robotics and automation.The 51940-003 is also used in automotive applications, where it’s used to connect sensors, modules, and infotainment systems to a central server or computer.

Working Principle

The 51940-003 connector is a backplane solution consisting of a PCB mounted socket, PCB mounted header and a plug. The socket is placed on the motherboard and the connector header is mounted on the card edge. The plug is then inserted into the header and socket to make the connection. The contacts are spring-loaded, creating pressure between the two boards and ensuring the connection is solid and secure. The 51940-003 is also equipped with a screw-on locking mechanism, providing extra physical and electrical noise protection, and ensuring the connection is reliable even during vibration or shock.

Conclusion

The 51940-003 backplane connector is a versatile connector with a wide range of applications in the telecommunications, industrial, and automotive industries. Its spring-loaded contacts and screw-on locking mechanism make it reliable and secure, even in harsh conditions.

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