BUY 2SC5591 https://www.utsource.net/itm/p/6409857.html
Silicon NPN triple diffusion mesa type(For horiontal deflection output)
Description: NPN Silicon Epitaxial Planar Transistor Features: High DC Current Gain High Transition Frequency Low Collector-Emitter Saturation Voltage Low Noise High Reliability Applications: Audio Amplifiers High Frequency Power Amplifiers Switching Applications (For reference only)