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LM2594HVMX-5.0/NOPB的打印具体含义的资讯



现有客户从Mouser渠道订购LM2594HVMX-5.0/NOPB 这颗料,芯片表面打印自上而下为:81K1、2594H、M-5.0,Mouser回复的批次是1749+5,想请问下这个最上面的打印“81K1”就是代表具体的批次的意思么?是不是Mouser回复的批次1749+5?