The FTR10D102KJ is an radial leaded Varistor manufactured by FTR. It is compliant with RoHS, a European certification which ensures that products are produced in a safe and healthy manner. This Varistor has a rated mobility breakdown voltage of 1.65KV, a nominated dissipation energy of 140J, a nominal breakdown current of 3.5kA, and an operating voltage range of 825V to 1100V. This type of Varistor is widely used in power electronics circuits for voltage surge and over-voltage protection.