J-STD-020DMoisture/ReflowSensitivityClassificationforNonhermeticSolidStateSurfaceMountDevices非密封固态表面贴装元件湿度/回流焊敏感度分级1PURPOSE(目的)Thepurposeofthisstandardistoidentifytheclassificationlevelofnonhermeticsolidstatesurfacemountdevices(SMDs)thataresensitivetomoisture-inducedstresssothattheycanbeproperlypackaged,stored,andhandledtoavoiddamageduringassemblysolderreflowattachmentan...