SFT221 Specs and Replacement

Type Designator: SFT221

Material of Transistor: Ge

Polarity: PNP

Absolute Maximum Ratings

Maximum Collector Power Dissipation (Pc): 0.225 W

Maximum Collector-Base Voltage |Vcb|: 30 V

Maximum Collector-Emitter Voltage |Vce|: 24 V

Maximum Emitter-Base Voltage |Veb|: 15 V

Maximum Collector Current |Ic max|: 0.25 A

Max. Operating Junction Temperature (Tj): 85 °C

Electrical Characteristics

Transition Frequency (ft): 0.5 MHz

Forward Current Transfer Ratio (hFE), MIN: 30

Noise Figure, dB: -

Package: TO5

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SFT221 datasheet

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Detailed specifications: SFT173, SFT174, SFT184, SFT186, SFT211, SFT212, SFT213, SFT214, 13005, SFT222, SFT223, SFT226, SFT227, SFT228, SFT229, SFT232, SFT233

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