Zinc oxide varistor is a voltage dependent resistor with symmetrical voltage-current characteristics that is designed to protect all kinds of electronic devices or elements from switching and induced lightning surges. Its not linear exponent characteristics with broad using range and mass production is gradually being used by various level of electric engineering.

Features:

• fast response time
• low leakage current
• excellent voltage ratio
• wide voltage & energy ratio
• low standbuy power and no follow on current
• high performance is surge current handling capability
• high performance in clamping voltage characteristics