On 26/02/2016 15:19, Cursitor Doom wrote:
On Fri, 26 Feb 2016 14:27:50 +0000, Chris Hogg wrote:

On Fri, 26 Feb 2016 14:15:26 +0000, The Natural Philosopher
wrote:

On 26/02/16 11:40, Cursitor Doom wrote:
On Fri, 26 Feb 2016 00:12:41 +0000, The Natural Philosopher wrote:

You can still buy oc71s all right

But why not use something better?

Can you name a better photo-transistor than the OC71?
;-)

OCP71?

IIRC if you carefully stripped the paint off an OC71 you had an OCP71.

Exactly. Well remembered.

Until they started filling them with opaque blue gel, same as was used
for some if not all OC44s etc.

Cheers
--
Syd