High Reliability electrical double-layer capacitors deliver advanced solution to design engineers

Murata has launched its DMT series. The solution offers long-term, high temperature reliability (five years at 70°C), a maximum operating temperature of 85°C, low resistance (130mO of high-current, high-output charging and discharging), a nominal capacitance range of 470mF, and an innovative design that enables high voltage handling (4.2V). According to the company it is one of the most reliable electrical double-layer capacitors (EDLC) available on the market.

Measuring 14x21mm with a thickness of just 3.5mm, the DMT series is suited for applications such as solid state drive (SSD) and communication system backup, power assistance for smart meters, and energy-harvesting devices.

This market’s expansion in recent years has driven the demand for smaller, thinner, and low-resistance capacitors that assure high reliability in the event of power failures. For example, since an increasing number of end products are being used outdoors (i.e. smart meters), there is a heightened focus on ensuring that solutions have exceptional dependability. Coupled with more miniaturised specifications, design engineers now require products that are both extremely advanced and eco-friendly.

The basis behind this technology is the result of the company’s collaboration with CAP-XX. In order to meet demand for devices with greater efficiency and functionality, Murata strategically acquired super cap technology from CAP-XX in 2008. Murata’s focus on EDLC research and development, coupled with CAP-XX’s market expertise, drives the advancement of enhanced EDLC design.



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