TDK CeraLink capacitors are a highly compact solution for the snubber and DC links of fast switching converters based on SiC and GaN semiconductors. These new capacitors are based on a PLZT ceramic material (lead lanthanum zirconate titanate). In contrast to conventional ceramic capacitors, CeraLink capacitors have their maximum capacitance at the application voltage, and this even increases proportionately to the share of the ripple voltage.

Two designs are currently available:

  • SMD low profile series with capacitances from 0.25 µF up to 1 µF and rated voltages between 500 V DC and 900 V DC Solder-pin series with capacitances from 5 µF to 20 µF and rated voltages between 500 V DC and 900 V DC.
  • Both types offer extremely low ESL values of below 3.5 nH. The capacitors are designed for an operating temperature of -40 °C to +125 °C and can even withstand brief exposures up to +150 °C.
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