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Key points of structure design of shrapnel connector

source:Industry News    Popular:pogo pin for moilble phone     release time:2021-05-25 10:57:59     Article author:sznbone

  At present, the commonly used battery connectors have two forms of thimble type and shrapnel type connectors. A large number of battery connectors used in mobile phones are thimble type. Compared with shrapnel type battery connectors, it has the following advantages.

  When the thimble-type connector is compared with the same size shrapnel-type connector, the compression is large and the contact is stable

  Remarks: Working situation in the above picture: width dimension 2.5mm, working position 4.0mm;

  Remarks: The thimble type battery connector has a more effective working compression than the shrapnel type, which ensures the stability of the contact.

How to choose pogopin connector manufacturers(图1)

  Comparing the ejector pin type and the shrapnel type with the same compression amount, the ejector pin connector occupies less PCB board space.

  Remarks: When the working position is 4mm and the compression is 1mm, the thimble connector takes up less space on the PCB board. It can realize the thinness and miniaturization of the body.

  Stability of touch position

  When compressed, the position of the contact point of the thimble-type connector does not change, which can maintain a stable connection point and obtain stable electrical performance.

  Durability of multiple compressions

  The thimble type is 20,000 times, and the shrapnel type is 5,000 times. The thimble type battery connector is more durable than the shrapnel type. The shape of the plastic colloid and the combination of thimble can be set freely, so the design freedom is more prominent.

  Through the above comparison and analysis, the thimble type connector has many advantages over the shrapnel type: it can make full use of the PCB board space; the thimble type connector can ensure a high initial contact pressure, and it is stable when compared with the previous shrapnel connector Contact pressure; thimble-type connectors have a higher working life than shrapnel-type connectors; design freedom is high. In the design of new models in the future, it is recommended that all battery connectors adopt thimble-type battery connectors.


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