The MVR1210-470G is a surface-mount, metal oxide varistor (MOV) manufactured by DOWO. It has a maximum continuous operating voltage of 77 volts and a maximum energy rating of 1.5 Joules. It also has a response voltage of 36 volts at 850 picofarads, and a nominal clamping voltage of 28-47 volts. The device also has a current surge rating of 250 amps, and is rated for surface-mount technology with a 1210 package size. It also meets the Restriction on Hazardous Substances (ROHS) requirements for electrical products in Europe.