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    1.1 Apply flux to the solder pad before soldering, and use a soldering iron to prevent the solder pad from being tinned or oxidized, resulting in poor soldering. The chip generally does not need to be processed.1.2 Carefully place the QFP chip on the PCB with tweezers, taking care not to damage the pins. Align it with the pad to ensure that the chip is placed in the correct orientation. Adjust the temperature of the soldering iron to more than 300 degrees Celsius, apply a small amount of solder to the tip of the soldering iron, use the tool to press down on the chip in the aligned position, an...
    发布时间: 2018 - 07 - 12
    浏览次数:16
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