Hmm ok, so it's not recommended at all? On 29 March 2015 at 18:29, James Cameron wrote: > On Sun, Mar 29, 2015 at 06:17:46PM +1300, Ryan O'Connor wrote: >> Just a quick question, can I use two identical reversed zeners in >> parallel to achieve the same voltage drop as one, but with increased >> current capacity? > > Nothing is identical? > > The voltage drop will be that of the diode with the lower voltage, and > more current will pass through that diode than the other. > > The closer you get to identical, the closer the currents will be. > > If you have a zener with more negative temperature coefficient of > voltage than the other, then it will heat and steal the show. > > -- > James Cameron > http://quozl.linux.org.au/ > -- > http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .