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.

LM358A: LM358ADR 21年生产的,是否有变更材质,是否PIN脚发黄是正常的?

Part Number: LM358A

LM358ADR  21年马来西亚生产的,是否有变更材质,是否PIN脚发黄是正常的?还有PIN脚放大有黑色条状压痕是否也是正常的?