2SA1979 Semiconductor PNP Silicon Transistor Description PIN Connection • Medium power amplifier E Features C E B B • Large collector current : ICMax=-500mA • Suitable for low-Voltage operation because of its low saturation voltage • Complementary pair with 2SC5342 C TO-92 Ordering Information Type NO. Marking 2SA1979 A1979 Package Code TO-92 Absolute maximum ratings Ta=25°C Characteristic Symbol Ratings Unit Collector-Base voltage VCBO -40 V Collector-Emitter voltage VCEO -32 V Emitter-Base voltage VEBO -5 V Collector current IC -500 mA Collector dissipation PC 500 mW Junction temperature Tj 150 °C Storage temperature Tstg -55~150 °C Electrical Characteristics Characteristic Ta=25°C Symbol Test Condition Min. Typ. Max. Unit Collector-Base breakdown voltage BVCBO IC=-100μA, IE=0 -40 - - V Collector-Emitter breakdown voltage BVCEO IC=-1mA, IB=0 -32 - - V Emitter-Base breakdown voltage BVEBO IE=-10μA, IC=0 -5 - - V Collector cut-off current ICBO VCB=-40V, IE=0 - - -0.1 μA Emitter cut-off current IEBO VEB=-5V, IC=0 - - -0.1 μA DC current gain hFE* VCE=-1V, IC=-100mA 70 - 240 - IC=-100mA, IB=-10mA - - -0.25 V VCE=-6V, IC=-20mA - 200 - MHz VCB=-6V, IE=0, f=1MHz - 7.5 - pF Collector-Emitter saturation voltage Transistor frequency Collector output capacitance * VCE(sat) fT Cob : hFE rank / O : 70~140, Y : 120~240 KSD-T0A028-000 1 2SA1979 Electrical Characteristic Curves Fig. 2 IC - VBE ㎽ Fig. 1 PC - Ta Fig. 3 I C - VCE Fig. 4 VCE(sat) - IC Fig. 5 hFE - IC Fig. 6 hFE - KSD-T0A028-000 IC 2 2SA1979 Outline Dimension KSD-T0A028-000 3 2SA1979 The AUK Corp. products are intended for the use as components in general electronic equipment (Office and communication equipment, measuring equipment, home appliance, etc.). Please make sure that you consult with us before you use these AUK Corp. products in equipments which require high quality and / or reliability, and in equipments which could have major impact to the welfare of human life(atomic energy control, airplane, spaceship, transportation, combustion control, all types of safety device, etc.). AUK Corp. cannot accept liability to any damage which may occur in case these AUK Corp. products were used in the mentioned equipments without prior consultation with AUK Corp.. Specifications mentioned in this publication are subject to change without notice. KSD-T0A028-000 4