High voltage 'endurance voltage' for analog optocoupler LOC117

[jan.didden]

I wonder if there are optocouplers that come in two halves using optic fibre coupling?

Yes.
https://www.analogtechnologies.com/document/AT5005.pdf

50kV isolation continuous. The catch: bandwidth 2kHz ...

Jan

 

[jan.didden]

... and some more info on failure rate graphs.

I'm currently testing the HCNR200 at 4kV continuous, slowly accumulating hours.

Jan

 

[jan.didden]

Forgot to attach the graph:

Jan