MJ4381 Datasheet and Replacement

   Type Designator: MJ4381
   Material of Transistor: Si
   Polarity: NPN
   Maximum Collector Power Dissipation (Pc): 75 W
   Maximum Collector-Base Voltage |Vcb|: 700 V
   Maximum Collector-Emitter Voltage |Vce|: 400 V
   Maximum Emitter-Base Voltage |Veb|: 9 V
   Maximum Collector Current |Ic max|: 4 A
   Max. Operating Junction Temperature (Tj): 150 °C
   Transition Frequency (ft): 4 MHz
   Collector Capacitance (Cc): 120 pF
   Forward Current Transfer Ratio (hFE), MIN: 8
   Noise Figure, dB: -
   Package: TO66
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