The 82536259 from Wurth Elektronik is a Varistor that has been designed to protect electronic equipment from high voltage surges. It has an AC voltage rating of 2.5 V, a DC voltage rating of 3.3 V, and a clamping voltage of 13 V. This RoHS-compliant varistor is available in a surface-mount package that measures 1.6 x 0.8 mm.