T540 Polymer Commercial Off-the-Shelf (COTS)

T540 Polymer Commercial Off-the-Shelf (COTS)

The KEMET Organic Capacitor (KO-CAP) is a high reliability polymer COTS (Commercial-Off-The-Shelf) capacitor. A conductive organic polymer replaces the more common MnO2 as the cathode plate of the capacitor. This results in very low ESR and improved capacitance retention at high frequency. The KO-CAP may also be operated at steady state voltages at up to 90% of rated voltage for part types with rated voltages of ≤10 volts and up to 80% of rated voltage for part types >10 volts.

The T540 Series KO-CAP offers the same advantages as the T525 Series but is also suitable for the high reliability requirements of telecommunications, computer, military and aerospace applications. This surface mount product offers a tin lead (SnPb) leadframe finish, surge current testing options and standard or low ESR levels.

Features and Benefits
  • Polymer cathode technology
  • 125°C maximum operating temperature
  • High frequency capacitance retention
  • Benign failure mode
  • Capacitance: 22 μF to 680 μF
  • Voltage: 2.5 V to 16 V
  • EIA standard case sizes
  • Low ESR
  • Use at up to 90% of rated voltage (10% derating) for part types ≤10 V
  • Use at up to 80% of rated voltage (20% derating) for part types >10 V
  • Surge current testing options
  • Self-healing mechanism
  • Volumetrically efficient

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