In message , Bob Eager
writes
On Tue, 7 Sep 2004 19:02:44 UTC, "Dave Plowman (News)"
wrote:

OC81 comes to mind. I had some here till recently...

IIRC, OC82 was an output transistor in an ally can. OC71 was the common
general purpose type.

Thinking about it, I'm sure you're right. I remember filing round the
base of the glass, removing it, getting the jelly off, scraping the
glass clean....lo, a phototransistor (terrible characteristic, but...)

Aah memories ...

blue / white stuff IIRC

As for the 10,000 diodes for a tenner ...

--
geoff