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Rectangular Connectors - Headers, Receptacles, Female Sockets

The SMM-121-02-S-S rectangular connector is a unique and popular connector in the market today. The SMM-121-02-S-S is an especially efficient connector due to its small size, and ability to support high voltage due to its two modified contacts. This article will discuss the application field and working principle of the SMM-121-02-S-S rectangular connector.

Application Fields of the SMM-121-02-S-S Connector

The SMM-121-02-S-S rectangular connector is increasingly used in the following application fields:

• Automotive applications: The SMM-121-02-S-S connector is a perfect fit for the space-constrained areas in cars thanks to its small size. It is especially useful in high voltage applications as its modified contacts make it better suited for this purpose.
• Industrial applications: This type of rectangular connector is often found in industrial machines, as it is durable and well-suited for heavy-duty usages. It is used in a wide variety of machines in the industry, from production machines to robots.
• Medical applications: The SMM-121-02-S-S connector is also commonly used in medical technology thanks to its low contact resistance in humid environments. This feature makes it a perfect fit for medical devices that need to be durable and reliable.
• Avionics applications: The SMM-121-02-S-S connector is employed in the aerospace industry in order to supply highly efficient and stable signals. The connector can be used for excess of 2000 flight hours and when exposed to extreme environments.

Working Principle of the SMM-121-02-S-S Connector

The SMM-121-02-S-S connector uses two highly modified contacts in order to attain its high voltage capability. The contact materials used in this type of connector are phosphor bronze alloys, typically of a gauge of 32 AWG. The contact length is also very important, and it is usually 4.15 mm in order to guarantee a low contact resistance. The contact resistance has been tested and it is usually less than 0.020 Ohms. The SMM-121-02-S-S connector is inserted and secured in the female or male connector with a press fit, with a retention force greater than 32.6 Newtons.

Conclusion

The SMM-121-02-S-S is a high performance and reliable connector with a wide variety of application fields. The SMM-121-02-S-S has two modified contacts thanks to which it can support high voltage. Its wide contact length, high retention force, and its low contact resistance make it the perfect choice for space-constrained and extremely environment applications.

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