View 2sc4217 datasheet:

Ordering number:EN2968 NPN Triple Diffused Planar Silicon Transistor 2SC4217 Color TV Chroma Output and Audio Output Applications Features Package Dimensions · High breakdown voltage (VCEO? 300V). unit:mm · Micaless package facilitating easy mounting. 2042A [2SC4217] B : Base C : Collector E : Emitter SANYO : TO-126ML Specifications Absolute Maximum Ratings at Ta = 25?C Parameter Symbol Conditions Ratings Unit Collector-to-Base Voltage VCBO 300 V Collector-to-Emitter Voltage VCEO 300 V Emitter-to-Base Voltage VEBO 6 V Collector Current IC 200 mA Collector Current (Pulse) ICP 400 mA Collector Dissipation PC Ta=25?C 1.5 W Tc=25?C 10 W Junction Temperature Tj 150 ?C Storage Temperature Tstg –55 to +150 ?C Electrical Characteristics at Ta = 25?C Ratings Parameter