This thread has been locked.
If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.
您好,
您是在TI store购买的吗?如果您是在TI store购买的那么就没必要担心。下面FAQ链接有对这种现象的解释:
[FAQ] Why do the leadframes look strongly oxidized or corroded?:https://e2e.ti.com/support/logic-group/logic/f/logic-forum/718449/faq-why-do-the-leadframes-look-strongly-oxidized-or-corroded