TK21B Datasheet. Specs and Replacement

Type Designator: TK21B  📄📄 

Material of Transistor: Ge

Polarity: PNP

Absolute Maximum Ratings

Maximum Collector Power Dissipation (Pc): 0.2 W

Maximum Collector-Base Voltage |Vcb|: 30 V

Maximum Collector-Emitter Voltage |Vce|: 20 V

Maximum Emitter-Base Voltage |Veb|: 30 V

Maximum Collector Current |Ic max|: 0.1 A

Max. Operating Junction Temperature (Tj): 75 °C

Electrical Characteristics

Transition Frequency (ft): 1 MHz

Forward Current Transfer Ratio (hFE), MIN: 15

Noise Figure, dB: -

Package: X18

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TK21B datasheet

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Detailed specifications: TK200A, TK201, TK201A, TK202A, TK203A, TK20B, TK20C, TK21, BD136, TK21C, TK23, TK23A, TK23C, TK24, TK24B, TK24C, TK25

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