STMM-120-02-S-D-SM-LC-P

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Application Field and Working Principle of STMM-120-02-S-D-SM-LC-P

Rectangular Connectors, also known as Headers, Male Pins, and other variants, are a category of electrical connectors commonly found in a wide range of electronics and appliances. The STMM-120-02-S-D-SM-LC-P is a sub-category of rectangular connectors, designed by Molex Connectors, for use in surface mount technology and other light-current applications. This article will discuss the STMM-120-02-S-D-SM-LC-P’s application field and working principle.

Application Field

The STMM-120-02-S-D-SM-LC-P is suitable for use in a variety of applications requiring low current and low voltage levels. Its cylindrical shell, with SMT (Surface Mount Technology) mounting, can be readily utilized in surface-mount applications such as gateways, motherboards, and wireless components. Due to its flexible design and operational characteristics, the STMM-120-02-S-D-SM-LC-P is also extensively used in telecommunications and mobile technology products, as well as in devices needing high signal integrity. The connector provides superior vibration resistance when used in a wide temperature range and with its 10A rated current, is suitable for a wide range of applications including mobile phones, portable medical equipment, printers, and automotive electronics.

Working Principle

The STMM-120-02-S-D-SM-LC-P connector is a mating pair composed of two individual parts: the circular plug housing and the circular pin. The plug housing has two “lugs” along the circumference which the pin engages. Both the housing and the pin are fabricated from stainless steel, making them highly resistant to corrosion and abrasion. The pins have top-loaded contacts which are inserted into the plug housing. The contact points engage with each other to form a secure connection. Once the plug and pin are locked together, a torque specification is not necessary.

In addition to the “lugs” and top-loaded pins, the STMM-120-02-S-D-SM-LC-P connector also contains SMT spades which are used to secure the pin to the housing. The spades also act as a strain relief and help to prevent accidental disconnection. The contact of the pins with their respective housed is highly dependable due to the high pressure maintained by the SMT spades. The double locking system of the top-loaded pins and SMT spades ensures that the connector remains securely locked, even in the event of vibrating or shock.

Another key feature of the STMM-120-02-S-D-SM-LC-P is its heat-resistant shell, which can withstand temperatures up to 250⁰C. This makes the connector an ideal choice for higher power applications, as it can dissipate heat quickly and ensure a safe and secure connection. The shell is also designed to reduce and absorb shock, making it suitable for applications in robotics, automation, and industrial control systems.

In conclusion, the STMM-120-02-S-D-SM-LC-P rectangular connector provides robust and reliable connections for low voltage and current applications. With its SMT design, heat-resistant shell, and double locking system, it is suitable for use in various stationary and mobile applications from mobile phones to industrial control systems. Its wide operating range makes it one of the most versatile connectors on the market today.

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