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High Q RF MLCC | Kemet

KEMET’s CBR Series surface mount multilayer ceramic capacitors (MLCCs) in C0G dielectric feature a robust and exceptionally stable copper electrode dielectric system that offers excellent low loss performance (High Q). These devices provide extremely low ESR and high self-resonance characteristics, and are well-suited for resonant circuit applications or those where Q and stability of capacitance characteristics are required. CBR Series capacitors exhibit no change in capacitance with respect to time and voltage and boast a negligible change in capacitance with reference to ambient temperature. Capacitance change is limited to ±30ppm/ºC from -55°C to +125°C.

CBR Series devices are suitable for many circuit applications including RF power amplifiers, mixers, oscillators, low noise amplifiers, filter networks, antenna tuning, timing circuits, delay lines and MRI imaging coils.

Features & Benefits:

  • -55°C to +125°C operating temperature range
  • Ultra high Q
  • Base metal electrode (BME) dielectric system
  • Pb-Free and RoHS compliant
  • 0201, 0402, 0603 and 0805 case sizes (inches)
  • DC voltage ratings of 6.3V, 10V, 25V, 50V, 100V and 250V
  • Capacitance offerings ranging from 0.1pF up to 100pF
  • Available capacitance tolerances of ±0.05pF, ±0.1pF, ±0.25pF, ±0.5pF, ±1%, ±2%, ±5% and ±10%
  • No piezoelectric noise
  • Low ESR


  • Wireless and cellular base stations
  • Wireless LAN
  • Satellite communications
  • RF power amplifier (PA) modules

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