WT-Z224V-AU4 Zener Diode Chips (Dual Pad) for ESD Bidrectional Protection 1. Feature: 1-1 This specification applies to N/P/N silicon zener double diodes chips, Device NO. WT-Z224V-AU4 2. Structure: 2-1. Planar type : N/P/N Diode. 2-2. Electrodes : Top side : Gold pad. Back side : Gold Layer. 3. Size: 3-1. Chip size : 24 mils x 24 mils (609.6 μm x 609.6 μm). 3-2. Chip thickness :7.87 ± 1.0 mils (200 ± 2.54 μm). 3-3. Bonding pad : 19.3 mils x 19.3 mils (490 μm x 490 μm) . 3-4. Pattern drawing : Refer to the attached drawing. * Including scribing line. The chip size is about 23mil(585μm) after dicing. 4. Electrical Characteristics (TA=25˚C) Parameter Condition Min. Typ. Max. Unit V=4V H=0mW/cm2 - - 100 nA V=5V H=0mW/cm2 - - 0.5 µA V=4V H=0mW/cm2 - - 100 nA V=5V H=0mW/cm2 - - 0.5 µA Vz(forward) Izf=5mA H=0mW/cm2 5.5 - 7.0 Vz(reverse) Izf=5mA H=0mW/cm2 5.3 - 6.8 - - 750 mA 8.0 - - KV Symbol Idf Leakage Current Idr Zener Voltage Maximum Zener Current IZM Electrostatic Discharge ESD HBM MIL-STD883 V 5. Annotation : 5-1. Parallel with one LED 5-2. Single pad (one wire bonding applied only) 5-3. Double direction Zener diode protection 6. Drawing: 7. Protection Circuit: (Top View) Bonding pad Top side LED N P PROTECTION ZENER N Back Side Bonding pad WEITRON TECHNOLOGY CO., LTD. TEL:886-2-29148158 FAX:886-2-29106796 Http://www.weitron.com.tw Rev.A 08-Mar-07