View njm7805 datasheet:

isc Three Terminal Positive Voltage Regulator NJM7805 FEATURES ·Output current in excess of 1A ·Output voltage of 5V ·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 A o P Power dissipation internally limited W tot T Operating junction temperature -40~85 ℃ OP T Storage temperature -40~150 ℃ stg THERMAL CHARACTERISTICS SYMBOL PARAMETER MAX UNIT Thermal Resistance, Junction to Case 3 ℃/W R th j-c Thermal Resistance,Junction to Ambient 50 ℃/W R th j-a 1 isc website：www.iscsemi.com isc & iscsemi is registere