Series T543 KO-CAP® Polymer COTS

KEMET
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KEMET T543 Series Polymer COTS capacitors are made of a conductive organic polymer, which replaces the traditionally used MnO2 as the cathode plate of the capacitor.

Tantalum polymers may also be operated at voltages up to 90% of rated voltage for part types with rated voltages of ≤10V and up to 80% of rated voltage for part types >10V with equivalent or better reliability than traditional MnO2 tantalum capacitors operated at 50% of rated voltage.

Features

  • Extremely low ESR
  • -55°C to 105°C operating temperature range
  • High frequency capacitance retention
  • Non-ignition failure mode
  • Capacitance up to 1,500μF
  • Enhanced derating
  • 100% accelerated steady state aging
  • 100% surge current tested
  • Taped and reeled per EIA 481-1
  • Volumetric efficiency and self-healing mechanism
  • Termination options (SnPb and 100% Sn)
  • Surge options at 25ºC and -55ºC/85ºC
  • EIA standard case sizes

Applications

  • DC/DC converters
  • Switch mode and point of load power supply
  • Radar pulse capacitor
  • Telecommunications (mobile phone and base station)
  • Decoupling and filtering in applications requiring low ESR or a benign failure mode