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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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For triac couplers, how should a VDRM (400V, 600V, 800V) be selected?

Considering AC power supply peak values and voltage fluctuations, generally, Toshiba recommends triac couplers with a VDRM of 400V for 100 to 120VAC load applications, and triac couplers with a VDRM of 600V or 800V for 200 to 240VAC load applications. For triac couplers, an AC power supply voltage is directly applied between output terminals T1 and T2. Although a distance between the output terminals needs to be secured depending on the AC power supply voltage or usage environment, according to the requirement for that distance between the output terminals, a package can also be selected between general-purpose DIP6 and small SO6.

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