Palindr?me wrote:

DaveC wrote:
From Japanese SMPS, looks like regular 1A rectifier diode. Labeled B320219
(the "02" is larger type than the others).

Can't find cross-reference. Any help would be greatly appreciated.

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

It's probably not too tricky to acertain it's likely rating and speed by
judicious examination of where it lies in the gubbins.

Graham