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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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Let’s consider how electric current flows in a circuit when an electronic device is operating normally (blue line) and when it is exposed to static electricity (red line).
While an electronic device is operating normally, TVS diodes remain off and exhibit parasitic (junction) capacitance, thereby acting as capacitors.
When voltage greater than a certain voltage is applied to TVS diodes, current suddenly begins to flow through the TVS diodes. Therefore, when the voltage by ESD enters the circuit, current flows through the TVS diodes, causing voltage to remain constant, thus protecting the following ICs and other components from excessive voltage and current.