SMS12GE4T

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Rectangular connectors have been around for many years as a simple and reliable way of connecting two circuits. Often utilized in various electronic designs, they have been increasingly used in applications ranging from medical, telecommunication to automotive. Among these connectors, the SMS12GE4T series are particularly widely adopted. This article outlines the application field and working principle of the SMS12GE4T connectors.

Overview

The SMS12GE4T series of connectors from Wurth Electronics, are a family of rectangular connectors. They are designed as full compliant headers, male pins and cable connectors, offering a high degree of versatility for applications needing to meet the most stringent requirements.

The interlocking headers feature two-piece construction, which are available with two to twelve poles. Moreover, the miniature connectors are designed with a reliable friction lock, which provides an anti-grounding function. Both the headers and pins are IP67 rated when mated, and can work reliably in extreme operating conditions.

Features and Benefits

The SMS12GE4T series connectors offer a number of outstanding features and benefits, which make them suitable for various challenging applications.

The connectors, based on the industry-standard 1.27mm pitch, can provide space savings, which is important for many designs with tight space limits. To further increase the efficiency of power transfer, the reliable friction lock ensures a stable plug-in connection. Additionally, the connectors offer excellent mating reliability and superior seismic performance. It is worth noting that the connectors have good grounding protection from vibration, making them perfectly suited for high-speed data communication as well as automotive applications.

To ensure the connectors are fit for applications that carry large voltages, the connectors are designed with multiple locking lances, which can prevent accidental release. The cables feature a transmission ID code. The transmission ID code is used to identify the signal flow through the cable.

Application Field

Because of the outstanding features and characteristics, the connectors have been widely adopted in various applications, including but not limited to automotive, medical, telecommunication, and industrial.

Having multiple locking lances and an IP67 rating, the connectors can function reliably in harsh environments in the automotive applications. In medical industry, the connectors, with their 1.27mm pitch, are well suited for the medical instrumentation, being able to maintain reliable and robust interconnection even under long-term vibration and temperature changes. The connectors can also be widely used in telecommunication, which need to transfer high-speed signals with good grounding protection.

Working Principle

The working principle of SMS12GE4T connectors is based on the interlocking connection. The header has two pieces. When the header is inserted into the pin, it is locked by the internal friction lock, creating an anti-grounding function that ensures a reliable connection. The internal signal flow is completed when the transmission ID code is verified and the connection is terminated.

To further ensure the connector’s reliability, the header and pin are mated with multiple locking lances, which provide stable plug-in connection and prevent accidental release. The cables are designed with a transmission ID code, which is used to identify the signal flow through the cable. The high-speed signals are well protected due to the connectors’ superior seismic performance.

Conclusion

The SMS12GE4T series of rectangular connectors, being part of the Wurth Electronics family, are designed with multiple features to meet the needs of various demanding applications, particularly in the automotive, medical and telecommunication fields. The connectors are with two-piece construction, multiple-locking lances, reliable friction lock and transmission ID codes, making them superbly suitable for stable data transmission and long-term reliability.

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