NPN 2N3019 – 2N3020 ELECTRICAL CHARACTERISTICS TC=25°C unless otherwise noted Symbol Ratings Test Condition(s) fT Transition frequency hfe Small Signal Current Gain NF Noise Figure CCBO Collector-Base capacitance CEBO Emitter-Base capacitance rbb’Cb’c Feedback Time Constant IC =50 mA VCE =10 V f = 20 MHz IC =1 mA VCE =5 V f = 1 kHz IC=-100 µA VCE =10 V f = 1 kHz Rg = 1kΩ IE = 0 VCB=10 V f = 1 MHz IC = 0 VEB=0.5 V f = 1 MHz IC =10 mA VCE =10 V f = 4 MHz Min Typ Max Unit 2N3019 100 -2N3020 80 -2N3019 80 -400 2N3020 30 -200 2N3019 -4 dB -12 pF -60 pF -400 ps MHz -2N3019 2N3020 2N3019 2N3020 2N3019 2N3020 (*) Pulse conditions : tp < 300 µs, δ =2% 16/10/2012 COMSET SEMICONDUCTORS 3/4