2N2138 Datasheet, Equivalent, Cross Reference Search
Type Designator: 2N2138
Material of Transistor: Ge
Polarity: PNP
Maximum Collector Power Dissipation (Pc): 70 W
Maximum Collector-Base Voltage |Vcb|: 45 V
Maximum Collector-Emitter Voltage |Vce|: 30 V
Maximum Emitter-Base Voltage |Veb|: 20 V
Maximum Collector Current |Ic max|: 3 A
Max. Operating Junction Temperature (Tj): 110 °C
Transition Frequency (ft): 0.12 MHz
Forward Current Transfer Ratio (hFE), MIN: 30
Noise Figure, dB: -
Package: TO3
Datasheet: 2N2131 , 2N2132 , 2N2133 , 2N2134 , 2N2135 , 2N2136 , 2N2137 , 2N2137A , BC557 , 2N2138A , 2N2139 , 2N2139A , 2N213A , 2N214 , 2N2140 , 2N2140A , 2N2141 .