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The information presented in this cross reference is based on TOSHIBA's selection criteria and should be treated as a suggestion only. Please carefully review the latest versions of all relevant information on the TOSHIBA products, including without limitation data sheets and validate all operating parameters of the TOSHIBA products to ensure that the suggested TOSHIBA products are truly compatible with your design and application.
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ESD保护二极管插在信号线与GND之间,保护受保护器件(DUP)免受电压浪涌的影响。正常工作模式下(即没有ESD浪涌情况),除极少量电流(IR)流过二极管使其反向击穿电压(VBR)高于信号线电压之外,几乎没有电流流过ESD保护二极管。当高于反向击穿电压 (VBR)的浪涌电压进入信号线时,ESD保护二极管将大量电流分流到GND,从而抑制浪涌电压低于反向击穿电压(VBR)。