KT9139B Datasheet and Replacement

   Type Designator: KT9139B
   SMD Transistor Code: КТ9139Б
   Material of Transistor: Si
   Polarity: NPN
   Maximum Collector Power Dissipation (Pc): 7 W
   Maximum Collector-Emitter Voltage |Vce|: 30 V
   Maximum Emitter-Base Voltage |Veb|: 1.5 V
   Maximum Collector Current |Ic max|: 1.5 A
   Max. Operating Junction Temperature (Tj): 125 °C
   Transition Frequency (ft): 3100 MHz
   Forward Current Transfer Ratio (hFE), MIN: 3.5
   Noise Figure, dB: -
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