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| ESD9DXXC Series BI-Directional TVS for ESD Protection P b Lead(Pb)-Free General Description: The ESD9DXXC Series is designed to protect voltage sensitive components from ESD and transient voltage events. Excellent clamping capability, low leakage, and fast response time, make these parts ideal for ESD protection on designs where board space is at a premium. Because of its small size, it is suited for use in cellular phones, MP3 players, digital cameras and many other portable applications where board space is at a premium. TRANSIENT VOLTAGE SUPPRESSORS 150 WATTS 3.3-5.0 VOLTS Applications: *Cellular phones *Portable devices *Digital cameras *Power supplies *Small Body Outline Dimensions *Low Body Height *Peak Power up to 150 Watts @ 8 x 20 s Pulse *Low Leakage current *Response Time is Typically < 1 ns *ESD Rating of Class 3 (> 16 kV) per Human Body Model *IEC61000-4-2 Level 4 ESD Protection *IEC61000-4-4 Level 4 EFT Protection SOD-923 Features: SOD-923 Outline Dimensions D -X- -Y- E 1 b 2X 0.08 (0.0032) Unit:mm MILLIMETERS DIM A b c D E HE L MIN NOM MAX 2 XY A C L HE 0.36 0.15 0.07 0.75 0.55 0.95 0.05 0.40 0.20 0.12 0.80 0.60 1.00 0.10 0.43 0.25 0.17 0.85 0.65 1.05 0.15 http://www.weitron.com.tw WEITRON 1/3 Rev.A 11-Aug-09 ESD9DXXC Series Maximum Ratings(TA=25C Unless Otherwise Noted) Characteristic Symbol Value Unit Peak Pulse Power (tp = 8/20 s) IEC61000-4-2(ESD) IEC61000-4-2(EFT) ESD Voltage Per Human Body Model air discharge contact discharge PPP 150 15 8 40 16 W KV A KV C C C C Maximum Lead Temperature and Soldering during 10s Maximum Junction Temperature Operating Temperature Range Storage Temperature Range TL TJ Top Tstg 260 150 -40 to 125 -55 to +155 Electrical Characteristics Rating at 25C ambient temperature unless otherwise specified.VF = 0.9V at IF 10mA Device ESD9D3.3C ESD9D5.0C Marking B C VRWM (V) Max IR ( A) @ VRWM Max VBR (V) @ IT (Note 1) Min Max IT mA VC (V)(Note 1) VC (V)(Note 1) @ IPP = 5.0 A* @ Max IPP * Typ Max IPP (A)* Max P pk (W)* Max C (pF) Typ 3.3 5.0 1.0 1.0 5.0 5.6 7.0 8.0 1.0 1.0 8.4 11.6 14.1 18.6 11.2 9.4 158 174 25 15 Note *Surge current waveform per Fig.1 1. VBR is measured with a pulse test current IT at an ambient temperature of 25C. Eqivalent Circuit Diagram SOD-923 (Top View) We declare that the material of product compliance with RoHS requirements. http://www.weitron.com.tw WEITRON 2/3 Rev.A 11-Aug-09 ESD9DXXC Series Typical Characteristics (TA = 25C unless otherwise noted) Symbol IPP VC VRWM IR VBR IT Parameter Maximum Reverse Peak Pulse Current Clamping Voltage @ IPP Working Peak Reverse Voltage Maximum Reverse Leakage Current @ VRWM Breakdown Voltage @ IT Test Current VC VBR VRWM IPP I I IR T IT IR VRWM VBR VC V IPP B1-Directional TVS 120 100 80 60 40 20 0 220 Ipp - Peak Pulse Current (% of Ipp) tf Peak Value Ipp e -t % Of Rated Power Test Waveform Parameters tf = 8s td = 20s 200 180 160 140 120 100 80 60 40 20 Peak Pluse Power 8/20s td = t Ipp/2 Average Power 0 5 10 15 t, TIME (s) 20 25 30 0 0 25 50 75 100 Lead Temperature - TL (C) 125 150 Fig1. Pulse Waveform Fig2.Power Derating Curve Application Note Electrostatic discharge (ESD) is a major cause of failure in electronic systems. Transient Voltage Suppressors (TVS) are an ideal choice for ESD protection. They are capable of clamping the incoming transient to a low enough level such that damage to the protected semiconductor is prevented. Surface mount TVS offers the best choice for minimal lead inductance. They serve as parallel protection elements, connected between the signal lines to ground. As the transient rises above the operating voltage of the device, the TVS becomes a low impedance path diverting the transient current to ground. The ESD9DXXC Series is the ideal board evel protection of ESD sensitive semiconductor components. The tiny SOD-923 package allows design flexibility in the design of high density boards where the space saving is at a premium. This enables to shorten the routing and contributes to hardening against ESD. WEITRON http://www.weitron.com.tw 3/3 Rev.A 11-Aug-09 |
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