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Introduction to the characteristics of miniature spring contact fingers


Release time:

2023-05-04

Miniature spring contact finger is a kind of small parts commonly used in the connection of electronic components. It has the characteristics of small size, reliable contact and long life, and is widely used in various electronic products. This article will introduce the characteristics and principles of the miniature spring contact finger.

Introduction to the characteristics of miniature spring contact fingers

Miniature spring contact finger is a kind of small parts commonly used in the connection of electronic components. It has the characteristics of small size, reliable contact and long life, and is widely used in various electronic products. This article will introduce the characteristics and principles of the miniature spring contact finger.

微型弹簧触指

Features of 1. miniature spring contact fingers


1. Small and light: Compared with traditional fixed terminals, the miniature spring contact fingers are smaller and lighter, and will not occupy too much space while realizing connection.


2. Reliable contact: The miniature spring contact finger uses the force of the spring to realize the connection, and its contact area is large, and the double spring structure is used to ensure the reliability of the electrical connection.


3. Long life: Because the spring material is made of stainless steel, the whole is finely processed, so its service life is relatively long.


4. Reusable: Because the miniature spring contact finger has good elasticity, it can be disassembled and assembled many times, and can be reused, reducing waste.


5. Safe and reliable: The miniature spring contact finger will not generate sparks and static electricity during use, and it is very safe and reliable to use.


The principle of 2. micro spring contact finger


The principle of the miniature spring contact finger is to use the spring to compress the connection of the control device, and its internal structure mainly includes the main parts such as the shell, the pin, the socket, the accidental spring, the upper plate and the lower plate. The interior consists of two symmetrical springs, one is an accidental spring and the other is a guide spring. When the pin is inserted into the socket, the pin head can compress the guide spring, so that it is compressed. After the pin socket is in the compressed state, a strong circuit connection is formed between the plug and the socket.


The miniature spring contact finger ensures the firmness and stability of the connection through the elasticity of the spring. It is necessary to pay attention to selecting the appropriate spring type and strength to ensure the reliability of the connection. At the same time, the choice of contact copper alloy is also very important. The higher the content of copper alloy, the better the conductivity and the higher the connection quality. The miniature spring contact finger also adopts a double spring structure to ensure the reliability of the connection and improve the service life.


In short, as a miniaturized connection device, the miniature spring contact finger has been widely used in modern electronic products. It is characterized by small and light weight, reliable contact, long life, reusable, safe and reliable. The principle is to use the elasticity of the spring to ensure the firmness and stability of the connection. It is necessary to pay attention to the selection of the appropriate spring type and strength, as well as the selection of the contact copper alloy.


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