NEW! KC-Link Series

DC Link Capacitors for Fast Switching Semiconductor Applications

KEMET's KC-LINK surface mount capacitors are designed to meet the growing demand for fast switching semiconductors that operate at higher voltages, temperatures, and frequencies. By utilizing KEMET's robust and proprietary C0G/NPO base metal electrode (BME) dielectric system, these capacitors are well suited for power converters, inverters, snubbers, and resonators where high efficiency is a primary concern. With extremely low effective series resistance (ESR) and very low thermal resistance, KC-LINK capacitors can operate at very high ripple currents with no change in capacitance versus DC voltage and negligible change in capacitance versus temperature. With an operating temperature of 150°C, these capacitors can be mounted close to fast switching semiconductors in high power density applications which require minimal cooling. KC-LINK C0G dielectric technology also exhibits high mechanical robustness compared to other dielectric technologies, allowing the capacitor to be mounted without the use of lead frames. This provides extremely low effective series inductance (ESL) increasing the operating frequency range allowing for further miniaturization.

Features & Benefits

  • AEC–Q200 automotive qualified
  • Very high ripple current capability
  • Extremely low equivalent series resistance (ESR)
  • Extremely low equivalent series inductance (ESL)
  • Operating temperature range of −55°C to +150°C
  • High frequency operation (>10MHz)
  • No capacitance shift with voltage
  • No piezoelectric noise
  • High thermal stability
  • RoHS compliant and Pb-free


  • Wide bandgap (WBG), silicon carbide (SiC) and gallium nitride (GaN) systems
  • EV/HEV (drive systems, charging)
  • Wireless charging
  • Photovoltaic systems
  • Power converters
  • Inverters
  • LLC resonant converters
  • DC-link
  • Snubber
MIL-PRF-32535 Qualified Ceramic Capacitors
SeriesGradeForm FactorDielectricTechnologyTemp. CoeffCase SizesVDCCapacitance
KC-LINK-C0G-SMD-AUTOAutomotiveSMDC0GBME0±30 ppm/ °C3640500220 nF
Typical Ripple Current(Arms)1
Operating Voltage = 0 VOperating Voltage = 400 V
FrequencyTypical ESR @25°CTypical ESL @25°CRth2Ta=105°CTa=125°CTa=105°CTa=125°C
50 kHz< 4.0 mΩ1 nH15°C/W20.615.48.68.6
100 kHz19.314.417.114.4
200 kHz17.913.417.913.4
300 kHz17.212.817.212.8

1Ta = Ambient temperature during ripple current measurements. Ripple current measurements performed with a peak capacitor temperature of 150°C. Samples mounted to heat sink with no forced air cooling

2Rth = thermal resistance of KC-Link 3640 224nF 500V capacitor.