[sdiy] Subsitute for BF245/2N4392/J112

Jim Patchell patchell at silcom.com
Fri Oct 12 16:52:02 CEST 2001


    My message was unclear...Yes, the 2n4392 and J112 are the same parts.

Jim Patchell wrote:

> kpeek1 at prodigy.net wrote:
>
> > What is a good subsitute for BF245?
>
>     BF245 is not in the Siliconix Cross Reference I have.  Do you have a
> spec for Vgs(off) and Rds(on)?
>
> >
> >
> > 2N4392? J112?
> >
> > Are the 2N4392 and J112 interchangable?
>
>     The 2n4391 and the J111 are the same (both series use the same
> dies)... and I just looked in my data book, and yes, those parts are the
> same.
>
>     I don't know about the J112, but I purchased a whole spl of J111's
> from http://www.future-active.com for about $0.30 each.
>
> >
> >
> > Thanks.
>
>     -Jim




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