12692 Re: 2n2222 on H-bridge?

Alt-BEAM Archive

Message #12692

To: beam@sgiblab.sgi.com
From: Bruce Robinson Bruce_Robinson@telus.net
Date: Wed, 29 Mar 2000 18:41:46 +0800
Subject: Re: 2n2222 on H-bridge?

> Dave Hrynkiw wrote:
> >
> > At 03:19 PM 3/25/00 , sebastiaan van Vliet wrote:
> >
> >> Can I just exchange the 2n3904 with 2n2222 in my H-bridge?
> >> or should the 2n3906 also been replaced?
> >
> > Yup, otherwise you'll be getting some strange imbalances. Use
> > the 2907 for the 3906.
>
> More to the point, the main advantage of the PN2222 is much higher
> current capability. There's not much point in adding that capability if
> the other transistors can't handle the same current. Hence the PN2907
> substituted for the 2N3906.
>
> Hey, Dave. How come Solarbotics only sells half the '2222 / '2907 pair?
> .
>
> Bruce

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