>> So now we've got 3 terminal zener diodes to add to the
>> managerie of odd
>> components, along with the positive electrons, negative
>> resistors, and NPN
>> and PNP FETs?

Interestingly if not surprisingly, that's the symbol that TI 
use for this product in this data sheet - page 10.

        http://focus.ti.com/lit/ds/symlink/tl431a.pdf

This brought the TL432 to my notice - I hadn't been a ware 
of it before. it appears to be a mechanically mirrored 
version of the TL431 (!).


        Russell


-- 
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist