STD123 NPN Silicon Transistor Features Low saturation medium current application Extremely low collector saturation voltage Suitable for low voltage large current drivers High DC current gain and large current capability Low on resistance : RON=0.6Ω(Max.) (IB=1mA) PIN Connection C B C B E • • • • • E TO-92 Ordering Information Type NO. Marking STD123 STD123 Package Code TO-92 Absolute maximum ratings Characteristic Symbol Ratings Unit Collector-Base voltage VCBO 20 V Collector-Emitter voltage VCEO 15 V Emitter-base voltage VEBO 6.5 V Collector current IC 1 A Collector dissipation PC 625 mW Junction temperature Tj 150 °C Storage temperature Tstg -55~150 °C Electrical Characteristics Characteristic Symbol Test Condition Min. Typ. Max. Unit Collector-base breakdown voltage BVCBO IC=50μA, IE=0 20 - - V Collector-Emitter breakdown voltage BVCEO IC=1mA, IB=0 15 - - V Emitter-base breakdown voltage BVEBO IE=50μA, IC=0 6.5 - - V Collector cut-off current ICBO VCB=20V, IE=0 - - 0.1 μA Emitter cut-off current IEBO VEB=6V, IC=0 - - 0.1 μA DC current gain hFE VCE=1V, IC=100mA 150 - - - IC=500mA, IB=50mA - 0.1 0.3 V VCE=5V, IC=50mA - 260 - MHz Collector-Emitter saturation voltage Transistor frequency VCE(sat) fT Collector output capacitance Cob VCB=10V, IE=0, f=1MHz - 5 - pF On resistance RON f=1KHz, IB=1mA, VIN=0.3V - 0.6 - Ω KSD-T0A044-000 1 STD123 Electrical Characteristic Curves Fig. 1 VCE(sat)-IC Fig. 3 hFE-IC Fig. 1 COb-VCB Fig. 4 RON-IB KSD-T0A044-000 2 STD123 Outline Dimension KSD-T0A044-000 3 STD123 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-T0A044-000 4