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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 the current transfer ratio (CTR), the following factors must be taken into account: Deterioration over time, LED current IF and transistor collector-emitter voltage VCE dependencies, temperature Ta dependency, and design margin. These factors shall be digitized as Dt, DIF, DVCE, DTa, and α and incorporated into the design.
For details, refer to Toshiba Application Note "Basic Characteristics and Application Circuit Design of Transistor Couplers", section 2-4． Design Example for Interface Circuit Using Transistor Coupler.