View 7812 datasheet:

isc Three Terminal Positive Voltage Regulator 7812 FEATURES ·Output current in excess of 1.5A ·Output voltage of 12V ·Internal thermal overload protection ·Output transition Safe-Area compensation ·Minimum Lot-to-Lot variations for robust device performance and reliable operation ABSOLUTE MAXIMUM RATINGS(T =25℃) a SYMBOL PARAMETER RATING UNIT V DC input voltage 35 V i I Output current internally limited o P Power dissipation internally limited tot T Operating junction temperature -40~125 ℃ OP T Storage temperature -55~150 ℃ stg THERMAL CHARACTERISTICS SYMBOL PARAMETER MAX UNIT Thermal Resistance, Junction to Case 3 ℃/W R th( j-c) R Thermal Resistance,Junction to Ambient 50 ℃/W th( j-a) 1 isc website：www.iscsemi.com isc & iscsemi is registere