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https://e2e.ti.com/support/amplifiers-group/amplifiers/f/amplifiers-forum/1354374/lm139-material-and-thickness
LM139DR、请告诉我电极镀层材料。 另外、请告诉我电极镀层的厚度。 (如果有多个电极板、请告诉我们每个板的材料和厚度。)
产品页面"订购和质量"表的"铅涂层"列中显示了铅涂层。 另请参阅 [常见问题解答] TI 的 NiPdAu 铅涂层的金(Au)、钯(Pd)或镍(Ni)厚度是多少？
谢谢克莱门斯,希望这有助于回答你的问题 Hiroshi。
