2N389 Transistors Si NPN Power BJT Military/High-RelN V(BR)CEO (V)60a V(BR)CBO (V) I(C) Max. (A) Absolute Max. Power Diss. (W)85' Maximum Operating Temp (oC)200o I(CBO) Max. (A)10m @V(CBO) (V) (Test Condition)60 V(CE)sat Max. (V) @I(C) (A) (Test Condition) @I(B) (A) (Test Condition) h(FE) Min. Current gain.12 h(FE) Max. Current gain.60 @I(C) (A) (Test Condition)1.0 @V(CE) (V) (Test Condition)15 f(T) Min. (Hz) Transition Freq @I(C) (A) (Test Condition) @V(CE) (V) (Test Condition) t(d) Max. (s) Delay time. t(r) Max. (s) Rise time t(on) Max. (s) On time.