2SA539 Material of transistor: Si Polarity: PNP Maximum collector power dissipation (Pc), W: 0.25 Maximum collector-base voltage |Ucb|, V: 60 Maximum collector-emitter voltage |Uce|, V: 45 Maximum emitter-base voltage |Ueb|, V: 5 Maximum collector current |Ic max|, A: 0.2 Maksimalna temperatura (Tj), °C: 125 Transition frequency (ft), MHz: 100 Collector capacitance (Cc), pF: Forward current transfer ratio (hFE), min: 40 Noise Figure, dB: -Package of 2SA539 transistor: TO92