3431-L202

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Rectangular Connectors have a major role to play in the connection of electrical components to a circuit board, thus providing an interface between two electronic components which enables them to be connected to a larger circuitry. One such product in this range is the 3431-L202 from Molex, which is a 9-way plug-in PCB mount Polarized header socket. It is a low profile connector with a variety of applications and it is primarily used for wire-to-board, wire-to-wire, and board-to-board type of connections. In this article, let us discuss the application field and working principle of the 3431-L202.

Application Field

The Molex 3431-L202 is suitable for diverse applications in the fields of industrial, telecommunications, computing, consumer, automotive, and many other industries. In the industrial electronics market, these connectors are used in a myriad of industrial instrumentation and control systems. In the telecom industry, they are featured in small form factor pluggable transceivers. In the computer market, the 3431-L202 is mainly used in motherboards, graphic cards, and floppy drives. In consumer electronics, they are used in digital video player, portable computer, television, digital camera, and laptop. In the automotive sector, these PCB mount sockets are used for audio systems, data communication, and navigation systems.

Working Principle

The 3431-L202 from Molex is designed to offer a versatile and reliable connection to a PCB. It features a two-piece insulator design and is designed with a low profile mounting option for both single and dual row sizes. The insulator is polarized for a secure connection. This 9-way plug-in PCB mount polarized header socket is also features a low insertion force for easy mating and unmating. It has short mating height and is compatible with high-speed transmission and differential signaling applications.

The 3431-L202 from Molex also features 3.00mm “Kinked” pins that provide mating consistency. The long retention force provides secure mating of the connector in high vibration environments. It also provides improved dust protection and is UL-recognized. The 3431-L202 is also material and flammability rated to UL 94 V-0.

Conclusion

The 3431-L202 from Molex is a 9-way plug-in PCB mount Polarized header socket designed to provide a reliable connection to a PCB. It is ideal for high-speed transmission and differential signaling applications. This connector is designed with a two-piece insulator design and is compatible with a variety of industries. It offers a versatile connection, low insertion force, secure mating and improved dust protection. With its UL-recognition and flammability rating, it is an ideal choice for a wide variety of applications.

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