CK421 Specs and Replacement

Type Designator: CK421

Material of Transistor: Si

Polarity: NPN

Absolute Maximum Ratings

Maximum Collector Power Dissipation (Pc): 0.25 W

Maximum Collector-Base Voltage |Vcb|: 50 V

Maximum Collector-Emitter Voltage |Vce|: 30 V

Maximum Emitter-Base Voltage |Veb|: 1.5 V

Maximum Collector Current |Ic max|: 0.05 A

Max. Operating Junction Temperature (Tj): 150 °C

Electrical Characteristics

Transition Frequency (ft): 10 MHz

Collector Capacitance (Cc): 5 pF

Forward Current Transfer Ratio (hFE), MIN: 60

Noise Figure, dB: -

Package: TO5

 CK421 Substitution

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CK421 datasheet

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Detailed specifications: CK27, CK27A, CK28, CK28A, CK398, CK4, CK419, CK420, C5198, CK422, CK474, CK475, CK476, CK477, CK4A, CK64, CK64A

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