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[急]关于LM2904的背面丝印是什么意思,我们购入了2种不同丝印的产品

Other Parts Discussed in Thread: LM2904

如题,请问LM2904背面的丝印代表了什么?我们买入了2批产品,发现两批的背面丝印不同,一批为“G35”,另一批为“G28“.由于两批的参数存在一些差异。想咨询一下这个代表什么意思

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