1.specification: 7D,10D,14D,20D 2:Varistor voltage;V1ma = 1.5Vp = ... .2Vac 3:rohs.color,blue 14D681k Zinc Oxide Varistor 1.specification: 7D,10D,14D,20D2:Varistor voltage;V1ma = 1.5Vp = 2 ... over voltage protection, lightning protection, inrush current, the absorption peak pulse, limiting high-pressure arc, noise reduction, the role of protecting ...