https://e2e.ti.com/support/logic-group/logic/f/logic-forum/941659/sn74lvc1g32-part-will-not-soldier
器件型号:SN74LVC1G32部分不会士兵,索利德不会在铅周围流动。 引线位于焊盘的中间、焊盘的两侧各有一个良好的焊盘。
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https://e2e.ti.com/support/logic-group/logic/f/logic-forum/941659/sn74lvc1g32-part-will-not-soldier
器件型号:SN74LVC1G32部分不会士兵,索利德不会在铅周围流动。 引线位于焊盘的中间、焊盘的两侧各有一个良好的焊盘。
我们在此处提供了建议的回流焊曲线:
https://www.ti.com/lit/an/spraby1a/spraby1a.pdf
我猜需要 延长预热/浸泡时间、以使焊锡膏中的助焊剂能够完成其工作。 过去、当加热过快时、我曾看到过类似的问题-焊料会熔化、但器件不会均匀加热、您会遇到坏点。