Littelfuse’s original TMOV design is for SPD applications and to help customers meet UL1449 requirements, and also provides the thermal protection on MOV. There are more and more consumer, electronics, LED Lighting, Metering and UPS, Set Top Box and white goods in today's market. Customers are designing and using Littelfuse’s TMOV because of its reliable performance and added functionality. Moreover, Littelfuse possesses TMOV design patent and trademark.