"David C. Partridge" wrote in message
...
Thank you.

That was my immediate suspicion, but I don't have any specs for that - can
anyone help with specs for the 2n4249 (assuming that is what it is) or can
give a definitive identification?

Web search on "2n4249 specification" didn't help much

Try here http://www.datasheetcatalog.com/data...2/2N4249.shtml