BUY TDA4851 https://www.utsource.net/itm/p/11771422.html

Description: The TDA4851 is an integrated circuit for the protection of automotive radios and audio systems. Features: - Overvoltage protection up to 40V - Overload protection up to 4A - Thermal protection - Short-circuit protection - Low power consumption - Low quiescent current Applications: - Automotive audio systems - Car radios - Audio amplifiers - Home audio systems (For reference only)