2N257B Specs and Replacement
Type Designator: 2N257B
Material of Transistor: Ge
Polarity: PNP
Absolute Maximum Ratings
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
Electrical Characteristics
Transition Frequency (ft): 0.1 MHz
Forward Current Transfer Ratio (hFE), MIN: 50
Package: TO3
2N257B Substitution
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2N257B datasheet
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Detailed specifications: 2N2567-5, 2N2568, 2N2569, 2N256A, 2N257, 2N2570, 2N2571, 2N2572, 2SC2655, 2N257G, 2N257W, 2N258, 2N2580, 2N2580M, 2N2581, 2N2582, 2N2583
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