AVX 1210 X7R Dielectric MLCC Series. The X7R dielectric MLCC ‘s from AVX offer a ‘temperature stable ‘ range of capacitors which can be used in a wide operating temperature range from -55°C to +125°C. These capacitors are an excellent choice for a wide range of applications that have changes in capacitance due to applied voltages. Features ; Benefits. Capacitance ±15% from -55°C to +125°C. Temperature stable ‘ range of capacitors. Applications. Can be used with a wide range of industrial applications where changes in capacitance occur