The Bourns MOV-07DxxxK Series of metal oxide varistors provides robust protection against overvoltage transients. These devices, featuring a 7mm radial leaded design, are ideal for safeguarding sensitive electronic circuits from damage caused by lightning strikes, power contact surges, and other transient faults. They offer a choice of varistor voltages and Vrms voltages, combined with high current handling and fast response times. The MOV-07D221K specifically provides a varistor voltage of 220V and is RoHS compliant, ensuring environmental responsibility. Applications include power supplies, power systems, telecom systems, white goods, and appliances.