View 2sc4710 datasheet:

Ordering number:EN3688A NPN Triple Diffused Planar Silicon Transistor 2SC4710 2100V/10mA High-Voltage Amplifier, High-Voltage Switching Applications Features Package Dimensions · High breakdown voltage (VCEO min=2100V). unit:mm · Small Cob (typical Cob=1.3pF). 2079B · Wide ASO. [2SC4710] · High reliability (Adoption of HVP process). 4.5 10.0 2.8 · Full isolation package. 3.2 0.9 0.7 1.2 0.75 1 : Base 1 2 3 2 : Collector 3 : Emitter 2.55 2.55 SANYO : TO-220FI Specifications Absolute Maximum Ratings at Ta = 25?C Parameter Symbol Conditions Ratings Unit Collector-to-Base Voltage VCBO 2100 V Collector-to-Emitter Voltage VCEO 2100 V Emitter-to-Base Voltage VEBO 5 V Collector Current IC 10 mA Collector Current (Pulse) ICP 30 mA Collector Dissipation PC 2