UNISONIC TECHNOLOGIES CO., LTD ESD3V3S2B Preliminary TVS DIODE ULTRA LOW CLAMPING BI-DIRECTIONAL ESD TRANSIENT PROTECTION DIODE DESCRIPTION The UTC ESD3V3S2B is ultra-low clamping ESD transient bidirectional protection diode, it uses UTC’s advanced technology to provide customers with low leakage current and high integration, etc. The UTC ESD3V3S2B is suitable for ESD protection and high density boards. FEATURES * Bi-directional, symmetrical working voltage * Ultra low clamping voltage * Ultra low dynamic resistance SYMBOL ORDERING INFORMATION Ordering Number ESD3V3S2BG-AL3-R Note: Pin Assignment: A: Anode K: Cathode Package SOT-323 Pin Assignment 1 2 3 K K K Packing Tape Reel MARKING www.unisonic.com.tw Copyright © 2016 Unisonic Technologies Co., Ltd 1 of 3 QW-R229-005 .a ESD3V3S2B Preliminary TVS DIODE ABSOLUTE MAXIMUM RATINGS (TA=25°C, unless otherwise specified) PARAMETER SYMBOL RATINGS UNIT 30 kV ESD Discharge IEC61000-4-2 VESD 8 kV Peak Pulse current (tP=8/20 µs) IPP 8 A Operating Junction Temperature TJ 125 °C Operating Temperature (Note 2) TOPR -40 ~ +125 °C Storage Temperature TSTG -55 ~ +150 °C Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged. Absolute maximum ratings are stress ratings only and functional device operation is not implied. Air Discharge Contact Discharge ELECTRICAL CHARACTERISTICS (TA=25°C, unless otherwise specified) PARAMETER Reverse working voltage Reverse current Line capacitance SYMBOL TEST CONDITIONS MIN TYP MAX UNIT VRMW -3.3 3.3 V IR VR=3.3V 50 nA CL VR=0V. f=1MHz 11 20 pF IPP=16A, tP=100ns 7 V IPP=30A, tP=100ns 9 V Clamping voltage VCL IPP=-1A, tP=8/20 µs 4.5 V 6.8 V IPP=8A, tP=8/20 µs Dynamic resistance (Note 1) RDYN 0.13 Ω Note: Z0=50Ω, tP=100ns, tR=300ps, averaging window: t1=30ns to t2=60ns, extraction of dynamic resistance using least squares fit of TLP charactertistics between IPP1=10A and IPP2=40A. UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 2 of 3 QW-R229-005 .a ESD3V3S2B Preliminary TVS DIODE UTC assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all UTC products described or contained herein. UTC products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice. UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 3 of 3 QW-R229-005 .a