Type Designator: 2N4431
Material of Transistor: Si
Polarity: NPN
Maximum Collector Power Dissipation (Pc): 18 W
Maximum Collector-Base Voltage |Vcb|: 55 V
Maximum Collector-Emitter Voltage |Vce|: 40 V
Maximum Emitter-Base Voltage |Veb|: 3 V
Maximum Collector Current |Ic max|: 2 A
Max. Operating Junction Temperature (Tj): 175 °C
Transition Frequency (ft): 600 MHz
Collector Capacitance (Cc): 10 pF
Forward Current Transfer Ratio (hFE), MIN: 20
Package: TO128