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'[EE] 2n3904 reverse bias current gain'
Does anyone have an idea of what a typical reverse
bias current gain is in the 2N3904? Google has thus
far been less than forthcoming.
Base current is in the 40 uA range, at this point.
At 12:58 PM 6/2/2006 -0500, you wrote:
>Does anyone have an idea of what a typical reverse
>bias current gain is in the 2N3904? Google has thus
>far been less than forthcoming.
>Base current is in the 40 uA range, at this point.
An EDN article says typical 0.25 at 40uA, so you'd get 10uA of emitter
Spehro Pefhany --"it's the network..." "The Journey is the reward"
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Whew. Worse than I'd thought. I had hoped it would at least be
greater than or equal to one!
Seems to be working out though; my fix was to replace a couple
of resistors with markedly larger values.
PS- This whole thing came about because a Maxim part went
poof and- wait for it- we couldn't find an adequate replacement.
On 6/2/06, Spehro Pefhany <interlog.com> wrote: speff
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