2N2257 Datasheet. Specs and Replacement

Type Designator: 2N2257  📄📄 

Material of Transistor: Si

Polarity: NPN

Absolute Maximum Ratings

Maximum Collector Power Dissipation (Pc): 0.3 W

Maximum Collector-Base Voltage |Vcb|: 7 V

Maximum Collector-Emitter Voltage |Vce|: 7 V

Maximum Emitter-Base Voltage |Veb|: 1 V

Maximum Collector Current |Ic max|: 0.1 A

Max. Operating Junction Temperature (Tj): 175 °C

Electrical Characteristics

Transition Frequency (ft): 250 MHz

Collector Capacitance (Cc): 8 pF

Forward Current Transfer Ratio (hFE), MIN: 40

Noise Figure, dB: -

Package: TO18

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2N2257 datasheet

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Detailed specifications: 2N225, 2N2250, 2N2251, 2N2252, 2N2253, 2N2254, 2N2255, 2N2256, 2N3906, 2N2258, 2N2259, 2N226, 2N2266, 2N2267, 2N2268, 2N2269, 2N227

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