GT1644 Datasheet and Replacement

   Type Designator: GT1644
   Material of Transistor: Si
   Polarity: PNP
   Maximum Collector Power Dissipation (Pc): 0.225 W
   Maximum Collector-Base Voltage |Vcb|: 20 V
   Maximum Collector Current |Ic max|: 0.1 A
   Max. Operating Junction Temperature (Tj): 150 °C
   Transition Frequency (ft): 2 MHz
   Forward Current Transfer Ratio (hFE), MIN: 15
   Noise Figure, dB: -
   Package: TO5
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