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OPA177GS/2K5 有MSL 2 和MSL 3两个等级，他们的功能性是否有区别？thanks ~
您好，
芯片功能一样。
芯片的 MSL 额定值（湿敏度等级）决定了芯片的干包包装（MSL2 和更高额定值）打开后，其电路板上焊接前的车间寿命。
