Precautions for spring thimble application selection

　　Spring thimble is now widely used, and it is more and more popular and favored by many manufacturers. But what should be paid attention to when selecting the spring thimble?

　　1. Pogo pin spring thimble working stroke selection:

　　The choice of pogo pin spring thimble must be determined according to the space of the product to be used, and the one within the working stroke range; too small space will over-compress the spring of the pogo pin spring thimble and affect its service life. It may lead to inadequate contact, unstable impedance and instantaneous disconnection;

　　2. Selection of electroplating materials:

　　The electroplating material in the pogo pin spring thimble has the effects of enhancing conductivity, preventing oxidation, and anti-wear. Different materials have different functions. For example, gold has good conductivity. For high-current connectors, it has high impedance requirements. Products usually choose electroplated gold;

　　3. What are the effects of electroplating film thickness:

　　The pogo pin spring thimble generates a certain amount of friction due to contact during work, and it will wear out over time. The thickness of the electroplating film has a great impact on the service life of the product. The electroplated layer will be worn away when used to a certain limit, which may lead to excessive resistance and unstable impedance. The electroplating layer of the 100,000-time spring antenna thimble must be thicker than that of the 10,000-time spring antenna. Therefore, the plating requirements must be formulated according to the needs when selecting the product;

　　4. The influence of elasticity:

　　The contact force of the pogo pin spring thimble comes from the internal spring. The magnitude of the spring force will directly affect the impedance and stability of the spring antenna thimble; too much elastic force will increase the friction coefficient and affect the service life of the spring antenna thimble.

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