I've got quite a few of these. They look like 1N400x family but are
marked W642G1, with 540 on a second line. I've been using them as '4001s
but they may well be something else. The W symbol has vertical sides, by
the way. It could be a logo.

--
Mick (Working in a M$-free zone!)
Web: http://www.nascom.info
Filtering everything posted from googlegroups to kill spam.