Introudction to Advantages and disadvantages of pogopin

　　1. Advantages of reverse drilling structure: smooth compression, easy processing, and large stroke. It is usually used for signal transmission. Disadvantages: unstable impedance, requiring large elasticity, and widely used for charging and signal transmission of intelligent wearable products

　　2. Sloping edge structure Advantages: stable impedance, 20-50 mOhm; Disadvantages: It is not easy to process compared with reverse drilling structure Can pass 2-3A current

　　3. Sloping surface plus ball structure Advantages: stable impedance, can increase the ball with excessive current, Disadvantages: compared with the structure of the cutting edge, the process is complex, and there are certain requirements for the height and size of the needle tube

　　4. Structural advantages of inclined plane with retaining wall and ball: high current resistance, stable structure. Disadvantages: the needle is added with a retaining wall, which is complex in process and high in cost

　　5. Structural advantages of ball needle: it can be used for mechanical positioning and lateral connection for signal transmission Disadvantages: it mainly needs to bear the lateral force, and the external dimension of the product used is limited by the size of the ball, which cannot pass the current of more than 1A, etc

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