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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.
Please note that this cross reference is based on TOSHIBA's estimate of compatibility with other manufacturers' products, based on other manufacturers' published data, at the time the data was collected.
TOSHIBA is not responsible for any incorrect or incomplete information. Information is subject to change at any time without notice.
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我们不妨来考虑一下当电子元件正常工作(蓝线)和暴露于静电中(红线)时,电流如何在电路中流动。
当电子元件正常运行时,TVS二极管保持关断状态并表现出寄生(结)电容,从而充当电容器。
当向TVS二极管施加大于特定电压的电压时,电流会突然开始流过TVS二极管。因此,当ESD产生的电压进入电路时,电流会流过TVS二极管,使电压保持恒定,从而保护后面的IC和其它元件免受过压和过流影响。