Not recommended. However if you like hobby electronics, you may pair some zeners. This will not be easy. Try to use 5V7, 6V2, 6V8 if possible. They are at the boundary between positive and negative thermal coefficient. Vasile On Sun, Mar 29, 2015 at 8:45 AM, Ryan O'Connor wrote: > 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 > -- > 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 .