KT644A Datasheet PDF and Equivalents Search

Type Designator: KT644A  📄📄 

SMD Transistor Code: КТ644А

Material of Transistor: Si

Polarity: PNP

Absolute Maximum Ratings

Maximum Collector Power Dissipation (Pc): 1 W

Maximum Collector-Base Voltage |Vcb|: 60 V

Maximum Collector-Emitter Voltage |Vce|: 40 V

Maximum Emitter-Base Voltage |Veb|: 5 V

Maximum Collector Current |Ic max|: 0.6 A

Max. Operating Junction Temperature (Tj): 175 °C

Electrical Characteristics

Transition Frequency (ft): 200 MHz

Collector Capacitance (Cc): 8 pF

Forward Current Transfer Ratio (hFE), MIN: 40

Noise Figure, dB: -