2N2557

2N 1038 thru 2N1041 (GERMANIUM) 2N2552 thru 2N2559 PNP GERMANIUM MEDIUM POWER TRANSISTORS · .. designed for relay drivers, pulse amplifiers, audio amplifiers and high-current switching applications. High Current Capability - IC = 3.0 Amperes Guaranteed Excellent Collector-Emitter Sustaining Voltage 20-Watt Power Dissipation at 250 C Case Temperature 1000C Maximum Junction Temperature PNP GERMANIUM POWER TRANSISTORS 40-100 VOLTS 20 WATTS CASE 180 CASE 183 CASE 184 *MAXIMUM RATINGS Rating Collector-Emitter Voltage ~:=2N!..~ 2Nl039 2N1041 21111041 Symbol 2N~~ 2N2553 21112555 2N2551 2N2557 2N25~ veEa 30 40 50 60 Unit Vdc Collector-Base Voltage Emitter-Ba.. Voltage Collector Current - Continuous "Base Current - Continuous Total Device Dissipation@TA - 25°C Derate above 25°C VeB VEB Ie IB Po 40 60 SO 100 Vdc ----- 20 ----- 3.0 - 1.0 ---- 450 -- -6.0 Vdc Adc Adc mW mW/oe Total Device Dissipation @Te =25°C Derate above 25°C (Note 1) Po 20 Watts - - - ...