Type Designator: 2SA1491 Material of Transistor: Si Polarity: PNP Maximum Collector Power Dissipation (Pc): 100 W Maximum Collector-Base Voltage |Vcb|: 140 V Maximum Collector Current |Ic max|: 10 A Max. Operating Junction Temperature (Tj): 175 °C Transition Frequency (ft): 20 MHz Forward Current Transfer Ratio (hFE), MIN: 60 Noise Figure, dB: – Package: TO218
