Why not get one from Tucker? http://www.etestparts.com/Search.aspx?Search=1855-0298
Sphere have them as well: http://www.sphere.bc.ca/test/hp-parts/hpparts4.html Orin. On Tue, Apr 1, 2014 at 7:13 PM, Tony Greene <[email protected]> wrote: > I have been troubleshooting a HP3456A voltmeter. > > Its giving a stange fault, but I beleive I have nailed it down. The unit > is reading +10.00000 volts input at +9.99661 volts. If you reverse the > input, it reads correct at -10.00000 volts. All other ranges read correct > on either polarity. > > What I need is a source for the FET A20 Q109 or a suitable substitute. > Its HP part number 1855-0298, it was made originally by USA mfg 02883 - > Siliconix, Inc, Santa Clara, CA. It crosses to NSN 5961-01-135-1324. And > Vishay has bought them and the part number is now obselete. > > ____________________________________________________________ > FREE 3D EARTH SCREENSAVER - Watch the Earth right on your desktop! > Check it out at http://www.inbox.com/earth > > > _______________________________________________ > volt-nuts mailing list -- [email protected] > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/volt-nuts > and follow the instructions there. > _______________________________________________ volt-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/volt-nuts and follow the instructions there.
