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Components and Circuits For discussions about component types, alternatives and availability, circuit configurations and modifications etc. Discussions here should be of a general nature and not about specific sets.

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Old 20th Oct 2019, 10:30 pm   #21
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Join Date: Oct 2016
Location: Maroochydore, Queensland, Australia.
Posts: 2,679
Default Re: Good batches of AF11x ?

I could not comment on the Japanese ones in this housing, I don't think I have ever cut one open. But I can say that the American 2N series RF transistors, in the same housing as the AF11x, do get the whiskers too and I have replaced a number of these over the years.

Generally I have found that Japanese RF transistors are fairly reliable, including the germaniums, except perhaps for the vintage silicon types with silver plated lead wires.
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