On 11/7/06, karl dalen <dalenkarl at yahoo.se> wrote: > Usually a diode has Vf of 0.3-0.6V a LED has 1.2-2,2V, > Are there any cheap single regular diodes that have like 2.5-3.3V Vf ? The white and blue LEDs have Vf's higher than 1.2-2.2V. Usually they are in the 3V to 4V range. (* jcl *) -- http://www.luciani.org