AF178 Datasheet PDF

PHILIPS TENTATIVE DATA R.F. GERMANIUM ALLOY-DIFFUSED TRANSISTOR Germanium alloy-diffused transistor of the p-n-p type in a metal case with low noise and high gain up to 260 Mc/s, for use in V . H . F . applications as amplifier-, oscillator- and converter circuits. r L I M I T I N G V A L U E S (Absolute max. values) Collector Voltage (base reference) = max. 25 V Current = max. 10 mA Emitter Reverse current = max. 1 mA Base Current -Ig = max. 1 mA Dissipation Total dissipation Ptot = max. 110 mW Temperatures Storage temperature Junction temperature continuous incidentally (total duration max. 200 hrs) THERMAL DATA 1s = -55 °C to+75 °C iT = max. T, = max. = max. '96 °C '?9Q° °C 200 hrs) Thermal resistance from junction to ambience in free air K = max. 0.4°C/mW Shield load- JANUARY 1964 PHILIPS ELECTRON TUBE DIVISION Dimensions in mm TO-12 case OD C H A R A C T E R I S T I C S at Tamb = 25 °C Collector current at Ig = 0 = 12 v = 25 v Emitter voltage at 1 = 0 -IE = 50 = -vEB o >y 10 50 ju...