2023年8月新买的ucc28c40dr物料,拆开包装后发现PIN脚变色,请帮忙看看是否是正常的变化,可以正常使用吗?
焊接需要做什么处理?谢谢
物料号:UCC28C40DR
数量:2500PCS
DC:2330+5
LOT:3591410ML3
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HI
是散装还是真空包装的? 应该是氧化的,能从datasheet确认到芯片是什么时候买的吗?