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FFB Medium Power Polyester Dielectric Film Cap | AVX

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The RoHS compliant FFB series uses a non-impregnated polypropylene or polyester dielectric with a controlled, self-healing process that is specially treated to have a very high dielectric strength in operating conditions up to 105 degrees C.

The polyester dielectric version of this series carries rated DC voltages of 75-400V, with the polypropylene covering voltage ratings of 525 to 1,100V. The polyester dielectric allows for a Max Stray Inductance of 20nH and both versions allow for a 10% cap tolerance.

Features & Benefits:

  • Controlled self healing design provides long lifetime and fail-safe operation
  • Covers a wide spectrum of voltages (75 to 1100Vdc)
  • Can handle multiple voltage surges of up to twice the rated voltage without decreased product lifetime
  • Operate to 105 Degrees C
  • Two dielectric options
  • Can replace banks of electrolytics
  • Multiple lead and case options available


  • Low reactive power DC filtering
  • Inverters
  • Power suppliers
  • Motors
  • Drives
  • Electric utilities
  • Induction heating
  • Hybrid applications

Additional Information: