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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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Sink/source logic input signal compatible products

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Interface signals for PLCs and industrial equipment include synchronous logic (mainly in Japan) and source logic (mainly overseas). Normally, the input-side LED of a high-speed photocoupler is only unidirectional, and therefore a bridge circuit must be provided in the front stage of the LED of the photocoupler in order to cope with input signals in both sink and source directions.
We have a lineup of AC-input-compatible products (TLP2395/TLP2398) for which two LEDs connected antiparallel are mounted on the primary side.

The number of bridges can be reduced by using the TLP2395-/TLP2398-compatible with AC input.

High-speed Communication Photocouplers compatible with AC input

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