High Performance Electrical Double-Layer Capacitors

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Electrical Double-Layer Capacitors (EDLCs), often referred to as supercapacitors, are energy storage devices with high power density characteristics that are up to 1,000 times greater than what is typically found in conventional capacitor technology. Murata’s Electrical Double Layer Capacitor combines these advanced characteristics in a small and slim module. Optimization of electrochemical systems, including the electrode structure, enables flexible charging and discharging from high to low output over a range of temperatures. In Murata’s EDLC lineup, the DMT series offers superior long-term, high temperature reliability (five years at 70°C), with a maximum operating temperature of 85°C. The DMT series is ideally suited for applications such as solid state drive (SSD) and communication system backup, power assistance for battery and smart meters, and energy harvesting devices.


  • Long-term reliability of five years at 70°C
  • Innovative internal structure design enabling high voltage operation: 4.2V
  • Compact and slim: 21.0mm x 14.0mm x 3.5mm
  • Low ESR of 130mΩ enabling high-current, high-output charging and discharging
  • Low leakage current
    • Typical leakage less than 5μA@96hrs


  • Peak Power Assist
    • Smart meters (telecommunication system, valve operation, etc)
  • Backup Applications
    • SSD (solid state drives), UPS, last gasp applications
  • Energy Harvesting Systems
    • Micro and macro energy harvesting systems
  • Battery Peak Load Leveling
    • Point of sale equipment, tablet PCs, audio, smart meters, GPS/GPRS tracking systems, fuel cells, primary cell equipment, power tools