The structure of the pogo pin is relatively complex, consisting of a
spring, a needle, a needle tube, and a needle tail. The surface is covered with
gold plating, the cost is relatively high, and the production process is
relatively complicated.
The rated voltage that the pogo pin can pass is only 1A. Due to the complex
internal structure, the current may attenuate in different parts, resulting in
inaccurate test results.
The service life of the pogo pin has been tested at about 5w times, which
cannot cope with the high-frequency test requirements, and the number of
replacements is frequent.
The pitch value that the pogo pin can deal with is between 0.3mm-0.4mm, and
the life and stability of the small pitch are poor. There may also be stuck pins
and broken pins, which is not conducive to the stability of the connection.
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