Re: Output transistors BS170 replacement
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2N7000 has an opposite pinout to the BS170... so the transistors have to be inserted into the board with the flats "the other way" around. Also the 2N7000 does not have such a high dissipation rating as the BS170. So is not really a good substitute.?
BS170 is quite a common transistor! I'd be surprised if you cannot find them locally!
73 Hans G0UPL
On Mon, Nov 6, 2017 at 8:18 AM, VK5EEE <vk5eee@...> wrote: My antenna broke and high SWR caused my QCX to cook and smell and at least one BS170 is visibly blown. Seems cannot find these locally, is 2N7000 as good? What alternatives can be used that will not reduce power or be more likely to blow?
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