900C X7R Ceramic Low ESR RF Power Multilayer Caps KYOCERA AVX 900C X7R Ceramic Low ESR RF Power Multilayer Capacitors exhibit high volumetric efficiency, providing high levels of capacitance for HF/RF power applications. This KYOCERA AVX 900C series offers a 0.01µF to 1µF capacitance range, working voltage range of 100WVDC to 300WVDC, and an operating temperature range of -55°C to +125°C. The ceramic construction provides a rugged, hermetic package and an encapsulated (leaded style only) option is available for applications requiring extended protection against arc-over and corona.