Thus spake Palindr˜»me:

Any chance of reverse-engineering the bit of the circuit it is used in, and
producing a bit of a circuit diagram?

Not very good at this... just a component-test monkey (c:

But it (and its partner) seems to be across a c.t. winding of the SMPS
transformer. Electrolytic filter caps "downstream" from these are rated at
25v.

There are a dozen more of this type of diode in this SMPS, across other
trans. windings.

This is a multiple-voltage ps inside a 240v ac motor controller in a Japanese
printing press.

Thanks,
--
DaveC

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