Preliminary ND171 Semiconductor ESD Protection Diode Features • Transient protection for data lines to IEC 61000-4-2(ESD) 15KV(air), 8KV(contact) • Small package for use in portable electronics Applications • ESD Protection Ordering Information Type NO. Marking ND171 Package Code U SOD-923 Outline Dimensions unit : mm 0.15 Max. 0.55~0.65 0.75~0.85 0.27 Max. 0.90~1.10 0.36~0.42 0.05 Max. 0.36~0.43 2 1 PIN Connections 1. Anode 2. Cathode Preliminary 1 Preliminary ND171 Absolute Maximum Ratings Characteristic Ta=25°C Symbol Rating Unit Peak pulse power ( tp = 8/20 ㎲ ) PPK 40 W Power dissipation PD 150 mW Junction temperature Tj 150 °C Operating temperature range Topr -55 ~ +125 °C Storage temperature range Tstg -55 ~ +150 °C Electrical Characteristics Characteristic Ta=25°C Symbol Test Condition Min. Typ. Max. Unit Zener voltage VZ IZ=1mA 6.5 - 7.5 V Reverse current IR VR=3.5V - - 0.5 ㎂ Forward voltage VF IF=50mA - 0.9 1.2 V Contact ±8 - - Air ±15 - - - 30 - ESD Voltage (IEC61000-4-2) Junction capacitance - C=150pF, R=330Ω (Repeat by 10 times) Cj VR=0V, f=1MHz KV pF ※ Recommend PCB solder land (Unit : mm) Preliminary 2 Preliminary ND171 Fig. 1 VZ-IZ Fig. 2 IR-VR Fig. 3 Cj-VR 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. Preliminary 3