1. Catalogs
  2. Murata Electronics
  3. Electrical Double LayerCapacitor DMT Series
video corpo

Electrical Double LayerCapacitor DMT Series

Electrical Double LayerCapacitor DMT Series

Electrical Double LayerCapacitor DMT Series

Product catalog summary
Overview: The document details the specifications and applications of the DMT Series High Performance Electrical Double Layer Capacitors (EDLC) by Murata. These capacitors are designed for high voltage operation and long-term reliability, suitable for various applications including smart meters, SSDs, and energy harvesting systems.
Features and Benefits:
  • Long-term reliability of five years at 70°C.
  • High voltage operation up to 4.2V.
  • Compact dimensions: 21.0mm x 14.0mm x 3.5mm.
  • Low ESR of 130mΩ for high-current applications.
  • Low leakage current, typically less than 5µA after 96 hours.
Applications: The capacitors are ideal for:
  • Smart meters and telecommunication systems.
  • Backup applications like SSDs and UPS systems.
  • Energy harvesting systems.
  • Battery peak load leveling in devices such as tablets and GPS systems.
Technical Specifications:
  • Operating temperature range: -30°C to 85°C.
  • Storage temperature range: -40°C to 85°C.
  • Nominal capacitance: 470mF with a tolerance of ±20%.
  • Rated voltage: 4.2V.
Performance and Validation: The document includes detailed performance graphs showing capacitance and ESR changes over temperature and time, as well as discharge characteristics under various conditions.
Caution and Handling:
  • Ensure usage within rated voltage to prevent damage.
  • Observe correct polarity to avoid internal damage.
  • Avoid acidic or alkaline environments.
  • Follow specific soldering guidelines to prevent overheating.
Packaging and Storage: The capacitors are packaged in trays of 50, with a minimum shipping quantity of 500 pieces. Storage conditions are specified to maintain product integrity.
See more

Catalog excerpts

Electrical Double LayerCapacitor DMT Series-1

!Note • Please read rating and !CAUTION (for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc. • This catalog has only typical specications. Therefore, please approve our product specications or transact the approval sheet for product specications before ordering. High Performance Electrical Double Layer Capacitor DMT Series

 Open the catalog to page 1
Electrical Double LayerCapacitor DMT Series-2

!Note • Please read rating and !CAUTION (for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc. • This catalog has only typical specications. Therefore, please approve our product specications or transact the approval sheet for product specications before ordering. High Performance Electrical Double Layer Capacitor To meet consumer demand for mobile devices with greater efciency and functionality, Murata began focusing its R&D efforts on Electrical Double Layer Capacitors (EDLC) in 2008, at which time we made a strategic decision...

 Open the catalog to page 2
Electrical Double LayerCapacitor DMT Series-3

!Note • Please read rating and !CAUTION (for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc. • This catalog has only typical specications. Therefore, please approve our product specications or transact the approval sheet for product specications before ordering. Product Lineup Series Part Number DMT (High Reliability Type) Nominal Capacitance (mF) ( ): Tolerance Operating Temperature Marking Series Code Storage Temperature Capacitance and Tolerance Code Positive Electrode Rated Voltage Sequence Number Part Number Description...

 Open the catalog to page 3
Electrical Double LayerCapacitor DMT Series-4

!Note • Please read rating and !CAUTION (for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc. • This catalog has only typical specications. Therefore, please approve our product specications or transact the approval sheet for product specications before ordering. Land Pattern Design d Land Pattern Minus Terminal A=1.7±0.2 A’=1.8±0.5 E=0.9 (typ.) F=4.5 max. (typ.: 4.0) E: Length of Soldering Area Product Package Plus Terminal t: Please refer to Product Lineup. (in mm) Land Pattern and Product Package Performance and Validation...

 Open the catalog to page 4
Electrical Double LayerCapacitor DMT Series-5

!Note • Please read rating and !CAUTION (for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc. • This catalog has only typical specications. Therefore, please approve our product specications or transact the approval sheet for product specications before ordering. Electrical Characteristics c Capacitance and ESR Temperature Characteristics (V.S. 25°C) Capacitance c Discharge Characteristic Constant Current Discharge (@25°C) (Discharge Current: 1A) Constant Current Discharge (@25°C) (Discharge Current: 2A) Constant Current Discharge...

 Open the catalog to page 5
Electrical Double LayerCapacitor DMT Series-6

!Note • Please read rating and !CAUTION (for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc. • This catalog has only typical specications. Therefore, please approve our product specications or transact the approval sheet for product specications before ordering. Constant Power Discharge (@25°C) (Discharge Power: 1W) Constant Power Discharge (@25°C) (Discharge Power: 5W) 4.5 Constant Power Discharge (@25°C) (Discharge Power: 10W) 4.5 c High Temperature Loading (Test Condition: Loading Voltage 4.2V@70°C) Capacitance Capacitance...

 Open the catalog to page 6
Electrical Double LayerCapacitor DMT Series-7

!Note • Please read rating and !CAUTION (for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc. • This catalog has only typical specications. Therefore, please approve our product specications or transact the approval sheet for product specications before ordering. Caution before Use cCaution <1> Voltage This device must be used within rated voltage. Over voltage may cause electrolyte leakage or swelling. DMT series product has two individual cells connected electrically in series. Please ensure that voltage is less than 2.1V...

 Open the catalog to page 7
Electrical Double LayerCapacitor DMT Series-8

d^NotG * Please read rating and ^CAUTION (for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc. • This catalog has only typical specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering. <For customers outside Japan> No Murata products should be used or sold, through any channels, for use in the design, development, production, utilization, maintenance or operation of, or otherwise contribution to (1) any weapons (Weapons of Mass Destruction...

 Open the catalog to page 8

All Murata Electronics catalogs and technical brochures

  1. MEMS Sensors

    4  Pages

  2. SAW Traps

    1  Page

*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.