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ISOM8111: DIN EN 13849-2

Hanno Reimer
Intellectual 2110 points

Part Number: ISOM8111

I have the following question about the Texas Instruments ISOM8111 opto-emulator:

In DIN EN 13849-2 Table D.19, a fault exclusion for optocouplers is for a short circuit between input and output, If the optocoupler is built according to IEC 60664-1 overvoltage category III.

1. Is the opto-emulator ISOM8111 built according to overvoltage category III?
2. Does this error exclusion also apply to ISOM8111?
3. Is there a confirmation / certificate for this?

  • 0
    TI__Guru 57315 points

    Hi Hanno,

    Thanks for reaching out.
    Yes, this exclusion applies to ISOM8111 as well, as the device meets  overvoltage category III according to IEC 60664-1. Please see below screenshot from Insulation Specifications section of ISOM8111 datasheet that specifies the overvoltage category rating of the device. Thanks.


    Regards,
    Koteshwar Rao