Material of Transistor: Ge Polarity: NPN Maximum Collector Power Dissipation (Pc): 0.15 W Maximum Collector-Base Voltage |Vcb|: 40 V Maximum Collector-Emitter Voltage |Vce|: 22 V Maximum Emitter-Base Voltage |Veb|: 35 V Maximum Collector Current |Ic max|: 0.1 A Max. Operating Junction Temperature (Tj): 180 °C Transition Frequency (ft): 3 MHz Collector Capacitance (Cc): 20 pF Forward Current Transfer Ratio (hFE), MIN: 40