Bob,

Alibaba sells a lot of those called GE3401 instead of AO3401)
with marking B22D.

Just my $0.02,
Jean-Paul
N1JPL




> On Feb 2, 2016, at 2:18 PM, Bob Blick <bobblick@ftml.net> wrote:
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> I have a couple hundred mosfets in SOT-23 package that are marked B22D.
> I haven't been able to track them down. Only mosfets I can find with
> B-number-number markings are from SinoPowerSemi but none of theirs have
> a 22.
>=20
> What I've been able to discern from experimenting is that they are
> P-channel, logic level, "4.5V" but definitely not 1.8 or 2.5 v logic,
> because the gate threshold is about 1.3 volts at room temperature.
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> Anybody come across something like this before? Looking for a datasheet,
> mostly I'm curious about the gate voltage maximum for them.
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> Definitely not AO3415A, which is what they were sold to me as :(
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> Thanks!
>=20
> Bob
>=20
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