2N1257 PDF and Equivalents Search

2N1257 Specs and Replacement

Type Designator: 2N1257

Material of Transistor: Si

Polarity: PNP

Absolute Maximum Ratings

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

Electrical Characteristics

Transition Frequency (ft): 35 MHz

Collector Capacitance (Cc): 10 pF

Forward Current Transfer Ratio (hFE), MIN: 40

Noise Figure, dB: -

Package: TO5

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2N1257 datasheet

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Detailed specifications: 2N1251, 2N1252, 2N1252A, 2N1253, 2N1253A, 2N1254, 2N1255, 2N1256, D882, 2N1258, 2N1259, 2N126, 2N1260, 2N1261, 2N1261A, 2N1262, 2N1262A

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