BUY NEC2561A https://www.utsource.net/itm/p/4923905.html

Description: NEC2561A is a 4-pin DIP (dual in-line package) integrated circuit manufactured by NEC. Features: Low power consumption High speed operation High noise immunity High reliability Low input current High output current Low saturation voltage High frequency operation Applications: Motor control Automotive applications Industrial control Lighting control Power management Home appliances (For reference only)