SFM-120-03-S-D-DS

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Rectangular Connectors - Headers, Receptacles, Female Sockets

Rectangular connectors are an element of electrical interconnects, which are a standard method of connecting two or more electrical circuits without physical contact. In this article, we will discuss the application field and working principle of the SFM-120-03-S-D-DS rectangular connector.

Application Field

The SFM-120-03-S-D-DS rectangular connector is widely used in industrial and consumer electronics applications. It is designed for high-density applications such as communication systems, medical electronic equipment, audio and video equipment, computer equipment, and automotive applications. It is also used in aerospace and military applications, where high reliability is essential.

The SFM-120-03-S-D-DS is a high speed, low cost connector with excellent signal integrity. It has a rugged construction that can withstand harsh environmental conditions. Its small size and light weight make it suitable for applications where size and weight are important.

The SFM-120-03-S-D-DS features two rows of gold-plated contacts that provide high contact reliability. The connector also features optimized grounding and shielding, which helps reduce crosstalk and unwanted emissions.

Working Principle

The SFM-120-03-S-D-DS rectangular connector uses two rows of contacts to enable electrical signal transmission between two mating components. The first row of contacts consists of two terminal blocks each having eight pins. The second row of contacts consists of eight total pins in pairs of four. The contacts are initially mated when the plug is inserted into the receptacle. The plug and receptacle are specially constructed to ensure a secure and reliable connection.

The contacts are designed to provide lower contact force, which helps reduce fatigue, wear, and the need for frequent repositioning or replacing of components. The connector also features metal-to-metal keying mechanisms that help ensure correct mating. This helps prevent incorrect connections and possible damage to components.

The SFM-120-03-S-D-DS is designed to tolerate wide temperature range and is also resistant to shock and vibration. The connector meets RoHS requirements for Lead Free material content and is compliant with FCC Part 68 and UL94-V2 polymeric material flame tests.

Conclusion

The SFM-120-03-S-D-DS rectangular connector is an excellent choice for a wide variety of applications. It is small, lightweight, and rugged, and provides excellent signal integrity. It is also low cost and has a long life expectancy. The connector is ideal for high-density applications where reliability and performance are important.

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