iflove00：
Ingeneral,PowerDiss.canbeimpactedbyGate-SourceVoltage,haveyounoted6679Zand6679,Thevalueof"Z"is-25/+20V,butthevalueof"6679"and"AZ"is-25/+25V,It'shardtocheckoutifyouonlyreviewthru.thepicture,becauseactually,Fairchildhasmanymanysuppliersandthatwillbedifferentifthepackinglocationisdifferent;Onemore,you'dbettertochecktherequirementofyourprojectandaccordingittoselectAZorZor6679only.