Organic Polymer Capacitors (KO-CAP®) deliver long life and stable performance

KEMET is the market leader in organic polymer capacitor technology. Our organic capacitors are solid electrolytic devices constructed with a conductive polymer cathode capable of delivering optimized performance in a broad range of applications such: (a) general purpose usage, including computing, telecommunications and industrial; (b) harsh environmental automotive from autonomous driving to safety and (c) high reliability in aerospace.

Combining very low ESR and improved capacitance retention at high frequencies with a broad dimensional offering and long life stability KEMET’s portfolio supports designers through innovation and technology.

Features

  • Extremely low ESR (4 mOhms - 100 mOhms)
  • High capacitance (6.8 μF - 1500 μF)
  • Low profile (0.8 mm - 4.3 mm)
  • Up to 75 V Ratings
  • 105°C, 125°C and 150ºC temperature ratings
  • Surge robust
  • High ripple handling
  • 100% electrical tested
  • Highest delivered capacitance (no biased, dry-out or temperature effects)
  • Highest volumetrically efficient technology
  • Long life with no wear-out mechanism (will outlast nearly all hardware applications)
  • RoHS compliant/halogen-free

Applications

  • DC-to-DC converter (1 V to 48 V)
  • Hold-up capacitance (SSD back-up energy)
  • Consumer, industrial, enterprise, telecomm, medical, avionics, automotive, and military series available

Browse each series for more information

T599 SeriesAutomotive Tantalum-Polymer Capacitor

KEMET's T599 series capacitors deliver the first fully qualified AEC-Q200 components with maximum operational temperature up to 150ºC.

T520 SeriesPolymer Electrolytic SMT Capaciors

The T520 low ESR polymer electrolytic provides the widest range of voltage, capacitance, and case size options in the KO-CAP family.

T521 SeriesHigh-Voltage Polymer Tantalum SMT Capacitors

T521 series high-voltage polymer capacitor is designed for input applications such as 12 V, 24 V, and 48 V power rails.

T598 SeriesAutomotive Polymer Tantalum SMT Capacitors

The T598 series utilizes the latest advancements in materials and design to deliver a surface-mount polymer capacitor that is fully AEC-Q200 qualified.

T591 SeriesAutomotive Polymer Series Capacitor

The T591 series capacitors offer high reliability in automotive applications or where high humidity and temperature are a concern.

T525 SeriesPolymer Electrolytic SMT Capacitors

The T525 polymer electrolytic is rated for +125°C operating temperatures, extending the category temperature of the standard T520 KO-CAP.

T545 SeriesPolymer Tantalum SMT Capacitors

The T545 series high-energy, polymer tantalum capacitors feature very high energy per CC.

T523 SeriesPolymer Electrolytic SMT Capacitors

The T523 series polymer capacitors offer maximum capacitance in low-profile packages.

T527 SeriesFacedown Polymer Electrolytic

The T527 Miniature Polymer Electrolytic utilizes a facedown terminal technology that combines packaging efficiency with a low-profile component.

T528 SeriesPolymer Electrolytic Capacitors

T528 series low ESL KO-CAP facedown terminal polymer electrolytic capacitor.

T529 SeriesSubstrate Terminal Polymer Tantalums

The T529 Small Case Substrate Terminal Polymer Electrolytic design results in the most volumetrically efficient packaging technology available today in polymer electrolytic chip capacitors.

T540/T541/T543 SeriesHigh Reliability Polymer Electrolytic

The T540/T541/T543 Series HRA Polymer Electrolytic series offer the same performance advantages as other KO-CAP series with screening options associated with high reliability (Hi-Rel) applications.

Tantalum CapacitorEngineering Kits

KEMET’s Tantalum Capacitor Engineering Kits help in comparing the electrical characteristics of Tantalum & KO-CAP Capacitors

Additional Content