BUY 2SC2493N https://www.utsource.net/itm/p/1867734.html
Silicon NPN epitaxial planar type(For low-frequency power amplification)
Package: TO-3 Description: NPN Silicon Transistor Features: - High breakdown voltage - High transition frequency - Low collector-emitter saturation voltage - High collector-emitter voltage Applications: - Audio frequency amplifier - High frequency power amplifier - Switching regulator (For reference only)