The DV 250 K 4032 from Bourns is a Medium-Voltage Varistor that is designed to protect electronic equipment against high-voltage surges in the medium-voltage region with a broad range of current and energy handling capabilities. It has an AC voltage rating of 250 V, a DC voltage rating of 320 V, and a clamping voltage of 650 V. This RoHS-compliant varistor offers excellent transient energy absorption due to improved energy volume distribution and power dissipation. This varistor has zero inductance, thereby facilitating an extremely fast response time to transient surges. It is available in a surface-mount package that measures 10 x 8 x 2 mm.