2SA1981S PNP Silicon Transistor Description PIN Connection • Audio power amplifier application Features • High hFE : hFE=100~320 • Complementary pair with 2SC5344S C B E Ordering Information Type No. 2SA1981S SOT-23 Marking Package Code EA □ □ ① ② SOT-23 ③ ① Device Code ② hFE Rank ③ Year&Week Code Absolute maximum ratings (Ta=25°C) Characteristic Symbol Ratings Unit Collector-Base voltage VCBO -35 V Collector-Emitter voltage VCEO -30 V Emitter-Base voltage VEBO -5 V IC -800 mA PC* 350 mW Junction temperature Tj 150 °C Storage temperature Tstg -55~150 °C Collector current Collector dissipation * Package mounted on 99.5% alumina 10×8×0.6mm Electrical Characteristics Characteristic (Ta=25°C) Symbol Test Condition Min. Typ. Max. Unit Collector-Base breakdown voltage BVCBO IC=-500μA, IE=0 -35 - - V Collector-Emitter breakdown voltage BVCEO IC=-1mA, IB=0 -30 - - V Emitter-Base breakdown voltage BVEBO IE=-50μA, IC=0 -5 - - V Collector cut-off current ICBO VCB=-35V, IE=0 - - -0.1 μA Emitter cut-off current IEBO VEB=-5V, IC=0 - - -0.1 μA 100 - 320 - IC=-500mA, IB=-20mA - - -0.5 V VCE=-5V, IE=10mA - 120 - MHz VCB=-10V, IE=0, f=1MHz - 19 - pF DC current gain Collector-Emitter saturation voltage Transition frequency Collector output capacitance * hFE VCE(sat) fT Cob VCE=-1V, IC=-100mA * : hFE rank / O : 100~200, Y : 160~320 KSD-T5C021-000 1 2SA1981S Electrical Characteristic Curves Fig. 1 Pc-Ta Fig. 2 IC -VBE Fig. 3 IC - VCE Fig. 4 hFE - IC Fig. 5 VCE(SAT) - IC KSD-T5C021-000 2 2SA1981S Outline Dimension ※Recommend PCB solder land [Unit: mm] KSD-T5C021-000 3 2SA1981S 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-T5C021-000 4