With the rise of smart wearables, mobile phones are becoming thinner and lighter, and rapid charging has led to an increase in demand for high-current connectors, which has made the application of pogopin connectors (spring thimble connectors) more frequent. Currently, smart digital products on the market are basically all Pogopin connectors are used, and only some low-end products may still use shrapnel-type connectors;
Today we discuss together what should be paid attention to when selecting and applying the pogopin connector to the product?
1. Pogopin connector work stroke selection;
The choice of pogopin connector must be based on the space of the product used, and the one within the working stroke range; too little space will over-compress the spring of the pogopin connector, affecting the service life, and too much space may cause contact If it is not in place, the impedance will be unstable and the phenomenon will be instantaneous.
2. Selection of electroplating materials;
Electroplating materials have the effects of increasing conductivity, preventing oxidation, and anti-wear in pogopin connectors. Different materials have different functions. For example, gold has good conductivity. For high-current connectors, products with high impedance requirements Generally choose electroplating gold.
3. What are the effects of electroplating film thickness?
When the pogopin connector is working, it will have a certain amount of friction because it must be contacted. It will wear after a long time. The thickness of the electroplating film will have a great impact on the service life of the product. When used to a certain limit, the electroplating layer will be worn away. , There may be phenomena such as excessive resistance and unstable impedance. The electroplating layer of 100,000 times pogopin must be thicker than that of 10,000 times, so please choose the electroplating requirements according to your needs when selecting the product.
4. The influence of elasticity.
The contact force of the pogopin connector comes from the internal spring. The elastic force of the spring directly affects the impedance and stability of the pogopin. If the elastic force is too large, it will increase the friction coefficient and affect the service life of the pogopin.