SD4957 Specs and Replacement

Type Designator: SD4957

Material of Transistor: Si

Polarity: PNP

Absolute Maximum Ratings

Maximum Collector Power Dissipation (Pc): 0.2 W

Maximum Collector-Base Voltage |Vcb|: 20 V

Maximum Collector-Emitter Voltage |Vce|: 20 V

Maximum Emitter-Base Voltage |Veb|: 3 V

Maximum Collector Current |Ic max|: 0.03 A

Max. Operating Junction Temperature (Tj): 200 °C

Electrical Characteristics

Transition Frequency (ft): 1600 MHz

Collector Capacitance (Cc): 0.4 pF

Forward Current Transfer Ratio (hFE), MIN: 20

Noise Figure, dB: -

Package: LCC2

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SD4957 datasheet

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Detailed specifications: SD2907A, SD2907AF, SD3019F, SD3866A, SD3866AF, SD3960F, SD4261, SD4261F, B647, SD4957F, SD5109, SD5109F, SD918, SD918F, SDM4001, SDM4002, SDM4004

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