2SA1979U PNP Silicon Transistor Description PIN Connection • Medium power amplifier Features 3 • Large collector current : ICMax=-500mA • Suitable for low-Voltage operation because of its low saturation voltage • Complementary pair with 2SC5342U 1 2 SOT-323 Ordering Information Type NO. Marking Package Code A □ □ ① ② ③ 2SA1979U SOT-323 ①Device Code ②hFE Rank ③Year&Week Code 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 200 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 voltage BVCEO IC=-1mA, IB=0 -32 - - V 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 breakdown Emitter-Base breakdown voltage Collector-Emitter saturation voltage Transistor frequency Collector output capacitance * VCE(sat) fT Cob : hFE rank / O : 70~140, Y : 120~240 KSD-T5D035-000 1 2SA1979U Electrical Characteristic Curves Fig. 1 PC - Ta Fig. 2 IC - VBE Fig. 3 I C - VCE Fig. 4 VCE(sat) - IC Fig. 5 hFE - IC Fig. 6 hFE - KSD-T5D035-000 IC 2 2SA1979U Outline Dimension ※Recommend PCB solder land [Unit: mm] KSD-T5D035-000 3 2SA1979U 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-T5D035-000 4