2N257W Datasheet, Equivalent, Cross Reference Search
Type Designator: 2N257W
Material of Transistor: Ge
Polarity: PNP
Maximum Collector Power Dissipation (Pc): 45 W
Maximum Collector-Base Voltage |Vcb|: 40 V
Maximum Collector-Emitter Voltage |Vce|: 35 V
Maximum Emitter-Base Voltage |Veb|: 20 V
Maximum Collector Current |Ic max|: 3 A
Max. Operating Junction Temperature (Tj): 85 °C
Transition Frequency (ft): 0.1 MHz
Forward Current Transfer Ratio (hFE), MIN: 60
Noise Figure, dB: -
Package: TO3
Datasheet: 2N2569 , 2N256A , 2N257 , 2N2570 , 2N2571 , 2N2572 , 2N257B , 2N257G , KTB688 , 2N258 , 2N2580 , 2N2580M , 2N2581 , 2N2582 , 2N2583 , 2N2584 , 2N2585 .