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Electrical Double-Layer Capacitors (EDLCs)

To meet consumer demand for mobile devices with greater efficiency and functionality, Murata has expanded its R&D efforts to develop high power, low ESR Electrical Double-Layer Capacitors in compact, slim packages.

Electrical Double-Layer Capacitors (EDLCs)

Murata's EDLCs offer much higher energy storage and power density than any existing conventional capacitor technology. These features make the Murata EDLC offering ideal for applications requiring burst or pulse loads like LED flash, audio circuits and power amplifiers. Also, they are ideal for smart meters or backup application for  SSD.


Introducing the DMT Series - Featuring High Reliability, at High Temperatures

DMT Series
Features
  • Long term reliability of five years @ 70º C
  • Wide operation temperature range from -30º C ~ +85º C
  • Low ESR: 130mΩ
  • Compact and slim: 21.0mm x 14.0mm x 3.5mm
  • High power output and high energy:4.2V (constant)
  • Low leakage current: Typical leakage less than 5µA @ 96hrs
  • Long cycle life - exceeding 100k cycles

Benefits
  • Leveling the high peak load up to hundreds of milli-seconds
      –Extend battery run time and cycle life
      –Enable the use of lower power battery or reduction of the number of series connections
  • Quick Charge and Discharge of High Energy
      –Secure power line from large load change & power down
      –Secure battery power down at lower temperatures
      –Shorten the standby time
  • Maintenance-free energy storage device

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

Series
PN
(Click for Data Sheet)
Rated voltage
(V)
Capacitance
(mF)
ESR
@1kHZ
(mΩ)
LxW
(mm)
Thickness
(mm)
Operation temp.
DMT Series New!!
(High reliability type)
4.2
470
130
14x21
3.5
Min: -30℃
Max: 85℃
70℃ 5years




You may also want to consider our DMF Series - Featuring High Power

DMF Series Features
  • High power output and high energy: 5.5V
  • Compact and slim: 21.0mm x 14.0mm x 3.2mm
  • Wide operation temperature range from -30º C ~ +70º C
  • Low ESR: 45mΩ –Stable ESR at lower temperatures
  • ESR change @ -30º C < twice the nominal ESR
  • Low leakage current –Typical leakage less than 5µA @ 96hrs
  • Long cycle life - exceeding 100k cycles

Series
PN
(Click for Data Sheet)
Rated voltage
(V)
Capacitance
(mF)
ESR
@1kHZ
(mΩ)
LxW
(mm)
Thickness
(mm)
Operation temp.
DMF Series
(High power type)
4.2 (constant)
5.5 (max peak)
470
45
14x21
3.2
Min: -30℃
Max: 70℃




Technical Support



 

Additional EDLC Information

DMF Product Tutorial
DMF Press Release
DMT Product Tutorial
DMT Press Release
Electrical Double Layer Capacitor



Murata began the development of Electrical Double-Layer capacitors in 2008 after making a strategic decision to license leading-edge supercapacitor technology from CAP-XX Limited (CAP-XX Limited), an Australian based firm. After establishing this collaborative foundation, Murata has continued to advance the design and manufacture of these high power EDLCs.


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