TRF644 Datasheet and Replacement

   Type Designator: TRF644
   Material of Transistor: Si
   Polarity: NPN
   Maximum Collector Power Dissipation (Pc): 117 W
   Maximum Collector-Base Voltage |Vcb|: 36 V
   Maximum Collector-Emitter Voltage |Vce|: 12.5 V
   Maximum Collector Current |Ic max|: 5 A
   Transition Frequency (ft): 470 MHz
   Collector Capacitance (Cc): 4 pF
   Forward Current Transfer Ratio (hFE), MIN: 100
   Noise Figure, dB: -
   Package: M111
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