Part Number = KD503 Manufacturer Name = Tesla Description = Si NPN Power BJT V(BR)CEO (V) = 80 I(C) Abs.(A) Collector Current = 20 Absolute Max. Power Diss. (W) = 150 I(CBO) Max. (A) = 500u h(FE) Min. Static Current Gain = 40 @I(C) (A) (Test Condition) = 1.0 @V(CE) (V) (Test Condition) = 2.0 f(T) Min. (Hz) Transition Freq = 2.0M Package = TO-3 Military = N