The CNR-10D561KBTSA is a RoHS compliant varistor made by CNR. It is designed for use in a variety of electronic applications such as protection against overvoltage transients, general-purpose clamping, and lightening surge protection. The device is a 10D561K ohm, unipolar solid state varistor with a rated peak power dissipation rating of 120 joules, and a maximum rated voltage of 561 Volts. The CNR-10D561KBTSA is also featured with a Through-Hole mounting option and surge current rating at 10 Milliseconds of up to 180 Amps.