i think perhaps that Dan wants to make one because he can't wait for someone to deliver one :-) >Newark sells a 3 volt zener > >VISHAY SEMICONDUCTOR >1N5225B SB00018/D8 > >Newark part number: 18M3525 > >They have a bunch of other options, too. This one has a 20 mA Izt and 500 mW >power dissipation. > >David >