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You are here: Home / News / Industry Information / Why the buzzers sometimes work while sometimes soundless after soldering?

Why the buzzers sometimes work while sometimes soundless after soldering?

Views:10     Author:Site Editor     Publish Time: 2017-09-20      Origin:Site

Why the buzzers sometimes work while sometimes soundless after soldering?


Why the buzzers soundless after soldering or not work normally? Sometimes there is sound while sometimes no sound.

It might that the power of soldering iron is too large(suggested power is 20-30W) in the process of soldering.Or soldering

time is too long. It is suggested to finish a solder joint in three seconds.And this results in Pseudo Soldering of the solder

joint between buzzers'pin feet and coil by heat melting.

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