View 2sc4710ls datasheet:

Ordering number : ENN3688B 2SC4710LS NPN Triple Diffused Planar Silicon Transistor 2SC4710LS 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). 2079D • Wide ASO. [2SC4710LS] • High reliability(Adoption of HVP process). 10.0 4.5 3.2 2.8 • Full isolation package. 0.9 1.2 1.2 0.75 0.7 1 2 3 1 : Base 2 : Collector 3 : Emitter Specifications 2.55 2.55 SANYO : TO-220FI(LS) 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 Collecto