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ArameFarpado
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 Posted: Sat Apr 19, 2008 5:22 am Post subject: about hFE multimeter test... |
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Hi all...
a transistor "BD435" is giving me 440 in hFE test on the multimeter, when
the tecnical data i>ve found tell me min=40 max=475...
does this mean the transistor is really in good shape?
can it be busted and still give a good hFE test result on the multimeter?
thanks
ArameFarpado |
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GvdH
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| Posted: Thu May 01, 2008 4:26 pm Post subject: Re: about hFE multimeter test... |
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ArameFarpado <a-farpado.spam@netcabo.pt> wrote in
news:fubdvc$fm5$1@news.datemas.de:
[quote]Hi all...
a transistor "BD435" is giving me 440 in hFE test on the multimeter,
when the tecnical data i>ve found tell me min=40 max=475...
does this mean the transistor is really in good shape?
can it be busted and still give a good hFE test result on the
multimeter?
thanks
ArameFarpado
[/quote]
A transistor with a high hFE is not in a better shape than a transistor
with a low hFE. It also varies with the collector current, temperature
and other parameters.
If a transistor gives a good hFE test result, it>s probably OK.
--
webmaster http://www.hobby-electronics.info |
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