K2120A Datasheet and Replacement

   Type Designator: K2120A
   Material of Transistor: Si
   Polarity: NPN
   Maximum Collector Power Dissipation (Pc): 0.2 W
   Maximum Collector-Base Voltage |Vcb|: 30 V
   Maximum Collector-Emitter Voltage |Vce|: 12 V
   Max. Operating Junction Temperature (Tj): 175 °C
   Transition Frequency (ft): 1400 MHz
   Collector Capacitance (Cc): 1 pF
   Forward Current Transfer Ratio (hFE), MIN: 20
   Noise Figure, dB: -
   Package: TO72
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