2N1257 Datasheet, Equivalent, Cross Reference Search
Type Designator: 2N1257
Material of Transistor: Si
Polarity: PNP
Maximum Collector Power Dissipation (Pc): 0.27 W
Maximum Collector-Base Voltage |Vcb|: 40 V
Maximum Collector-Emitter Voltage |Vce|: 40 V
Maximum Emitter-Base Voltage |Veb|: 5 V
Maximum Collector Current |Ic max|: 0.1 A
Max. Operating Junction Temperature (Tj): 175 °C
Transition Frequency (ft): 35 MHz
Collector Capacitance (Cc): 10 pF
Forward Current Transfer Ratio (hFE), MIN: 40
Noise Figure, dB: -
Package: TO5
Datasheet: 2N1251 , 2N1252 , 2N1252A , 2N1253 , 2N1253A , 2N1254 , 2N1255 , 2N1256 , 2SC2073 , 2N1258 , 2N1259 , 2N126 , 2N1260 , 2N1261 , 2N1261A , 2N1262 , 2N1262A .