I've seen and tried several of the Sharp S101 series parts and wan't very
happy with them - they fit the description of 'a cheap solution' well. I
seem to recall varying output delays in response to input and other problems
that don't come to mind so quickly (made me suspect lots of parasitic
capacitance, poor DV/DT immunity or???). You may not want to hear this, but
Radio Shack once sold them thru their distribubtion network - and perhaps
still does by RSU or their commercial division. I don't know if this is a
viable source for you.
I'd do as the others have said - Opto22 makes a fine product - of course it
costs more, but you can bet it will do what the data sheet says.

Chris

>
> I'v been searching for some modules ("Solid State Relays")
> from Sharp that I'd like to take a closer look at. The problem
> is that the only two distributors for Sharp in Sweden only
> sells them in 1000's. Digikey sells them, but they are a bit
> "clumsy" to deal with from Sweden. Can't find them at Farnell.
> (And there is no sign of any "sample" service at Sharp...)
>
> The modules are called something like "S202S11" or similar,
> there are a large number of slighly different variants.

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