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The difference between pogo pin.Spring probe company

source:Industry News    Popular:pogo pin for moilble phone     release time:2021-11-23 10:35:07     Article author:sznbone

  

The difference between pogo pin.Spring probe company(图1)

  Ordinary POGO PIN is mainly composed of syringe, piston and spring. The material of the piston head and the barrel is brass, although its conductivity is good, it does not contain elasticity; the spring material is stainless steel or the string, which is characterized by poor conductivity and high resistance. Generally, the ordinary POGO PIN current path is through the friction between the cylinder and the piston to achieve current conduction, and the friction between the cylinder and the piston is related to the spring force. The greater the elastic force, the greater the friction, and the greater the flow capacity. powerful. In addition, the impedance of the ordinary POGO PIN is inversely proportional to the elasticity, that is, the greater the elasticity, the greater the friction, and the smaller the impedance, the POGO PIN connector is more stable and reliable, but the resistance caused by friction will also be greater. Large, it has a great impact on the performance of POGO PIN. Its application to the battery connector will cause problems such as large and unstable impedance, instantaneous disconnection, and disconnection.

  The flow capacity of the aviation plug connector depends on the diameter of the needle: the larger the diameter, the stronger the flow capacity. The flow capacity of the claw spring type POGO PIN is the same, and the current range through it is 2A~20A. Therefore, it is aimed at the current requirements of 5A~8A mobile phone battery connectors. In terms of structure, the size of the claw spring type POGO PIN is similar to that of the ordinary POGO PIN, but the diameter of the claw spring type POGO PIN exposed by the spring can be much smaller than that of the ordinary POGO PIN. Therefore, the size of the claw spring type POGO PIN battery connector can also be the same as the ordinary POGO PIN battery connection machine, and the claw spring type POGO PIN with exposed spring can be made into a thinner battery connector.

  1. The former's highly elastic claw spring can ensure the reliability of the connection under vibration and shock environments, while the latter's hard connection of the syringe and the piston under the same conditions has the risk of power failure.

  2. The impedance of the former is stable and the resistance value is low, while the impedance of the latter changes with the elastic force, and the resistance value is higher; the direct friction between the piston and the barrel of the former has nothing to do with the elastic force of the spring, while the friction between the piston and the barrel of the latter is positively related to the spring.

  3. The oblique pressure of the former will be absorbed by the plastic case when the battery is installed and has no effect on the POGO PIN. The oblique pressure of the latter will be absorbed by the constriction of the syringe when the electric hammer is installed, causing deformation and affecting the performance of the POGO PIN.

  4. All the strokes of the former are reliable working strokes, while only the second half of the strokes of the latter are reliable.


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