Automotive AEC-Q200 Varistors KYOCERA AVX Automotive AEC-Q200 Varistors are an ideal choice for circuit protection in automotive applications. KYOCERA AVX offers a wide range of highly reliable, AEC-Q200 qualified components. These include low capacitance varistors for high-speed data lines/RF circuits, as well as high-energy, high-temperature, and harsh environment varistors. KYOCERA AVX Automotive Varistors provide reliable protection against automotive-related transients-such as load dump, jumpstart, and ESD to protect the growing number of electronics systems used in automotive applications.