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Old 12th Jan 2017, 12:30 am   #6
Philips210
Nonode
 
Join Date: May 2007
Location: Redruth, Cornwall, UK.
Posts: 2,562
Default Re: Possible faulty AF127?

Hi

Agreed it is a very leaky transistor. I once had an unusual problem with an AF127 or AF124, it was suffering from a short from collector to the body (screen lead) of the transistor just like the inherent tin whisker problems of the AF11x series. I have it stored away somewhere so if I come across it will try to remove the short. Maybe the tin whisker problem will show itself in the AF12x versions, hopefully not but something to bear in mind.

Regards
Symon.
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