Yes, that looks just like what I have. Thanks, I'll try to contact them
for a datasheet.

Bob

On Tue, Feb 2, 2016, at 11:56 AM, Richard wrote:
> Are these what you have?
> http://antech.en.alibaba.com/product/60121850264-218398000/B22D_SOT23_Tra=
nsistor_electronic_component.html
>=20
> No datasheet listed, but there is a web site and an email address. Maybe=
=20
> they even work.
>=20
> Good Luck.
>=20
> Richard
>=20
>=20
> On 2/2/2016 2:18 PM, Bob Blick wrote:
> > 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.
> >
> > 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.
> >
> > Anybody come across something like this before? Looking for a datasheet=
,
> > mostly I'm curious about the gate voltage maximum for them.
> >
> > Definitely not AO3415A, which is what they were sold to me as :(
> >
> > Thanks!
> >
> > Bob

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