KT643A-2 Datasheet and Replacement

   Type Designator: KT643A-2
   SMD Transistor Code: КТ643А-2
   Material of Transistor: Si
   Polarity: NPN
   Maximum Collector Power Dissipation (Pc): 1.1 W
   Maximum Collector-Base Voltage |Vcb|: 25 V
   Maximum Emitter-Base Voltage |Veb|: 3 V
   Maximum Collector Current |Ic max|: 0.12 A
   Max. Operating Junction Temperature (Tj): 175 °C
   Transition Frequency (ft): 7000 MHz
   Collector Capacitance (Cc): 1.8 pF
   Forward Current Transfer Ratio (hFE), MIN: 50
   Noise Figure, dB: -
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