2SC4049 Datasheet and Replacement

   Type Designator: 2SC4049
   Material of Transistor: Si
   Polarity: Pre-Biased-NPN
   Built in Bias Resistor R1 = 10 kOhm
   Built in Bias Resistor R2 = 47 kOhm
   Typical Resistor Ratio R1/R2 = 0.21
   Maximum Collector Power Dissipation (Pc): 0.3 W
   Maximum Collector-Base Voltage |Vcb|: 50 V
   Maximum Collector-Emitter Voltage |Vce|: 50 V
   Maximum Emitter-Base Voltage |Veb|: 6 V
   Maximum Collector Current |Ic max|: 0.1 A
   Max. Operating Junction Temperature (Tj): 150 °C
   Transition Frequency (ft): 250(typ) MHz
   Collector Capacitance (Cc): 3.7 pF
   Forward Current Transfer Ratio (hFE), MIN: 70
   Noise Figure, dB: -
   Package: SPA
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