BUY 2SC4615 https://www.utsource.net/itm/p/12270.html
NPN Triple Diffused Planar Silicon Transistor for High-Voltage Driver ApplicationsNPN
Description: 2SC4615 is a NPN silicon epitaxial planar transistor designed for high-speed switching applications. Features: High breakdown voltage Low collector-emitter saturation voltage High switching speed High current gain Applications: Switching regulators DC-DC converters Motor control High-speed switching circuits (For reference only)