[volt-nuts] Looking for VREF - SZA263/LTFLU-1/MCA19xxN

Frank Stellmach frank.stellmach at freenet.de
Tue Apr 9 18:32:35 EDT 2013


the SZA263 and the LTFLU are Custom Specific circuits made exclusively 
for Fluke, and therefore the suppliers were not allowed to sell those 
freely on the market. The 332B used a similar reference assembly from 
TI, but including the necessary heater.

I would also opt for replacement with a LM399 circuit, as the longterm 
stability (1 yr) and T.C. are definitely on a better level.


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