BUY L7818CV https://www.utsource.net/itm/p/11228000.html
IC REG LINEAR 18V 1.5A TO220AB
Description: The L7818CV is a three-terminal positive voltage regulator with a fixed output voltage of 18V. Features: - Output voltage: 18V - Output current: 1.5A - Thermal overload protection - Short circuit protection - Output transistor safe operating area protection Applications: - Battery-powered devices - Automotive electronics - Industrial equipment - Power supply - Audio equipment (For reference only)