Murata expands supercapacitor line

Murata Americas has added the DMG series to its line of thin, low-resistance, electrical double-layer capacitors (EDLCs). 

The DMG supercapacitors, which provide high power back-up, achieve high reliability with a five-year life span at 70°C, making them well-suited for enterprise solid state drive (SSD) manufacturers and telecom applications.  In addition, supercapacitors play a role in energy conservation applications, from memory backup in home appliances, mobile phones, information devices, and energy harvesting storage systems.  Smart meters are also a key application for the DMG series as the full operating temperature range is -30°C to +85°C.

Murata's DMG EDLC is based on active carbon technology. Unlike traditional energy storage devices, the carbon, which is used as an electrode, without employing a chemical reaction, leads to the longer life cycle.  Also, the capacitance is directly related to the surface area of the active carbon, giving the DMG series high capacitance values in a small and low profile design. Measuring only 20.5mm x 18.5mm x 1.4mm, Murata's EDLC series is designed for extended temperature applications.  

In addition to the product's prolonged lifetime, high capacitance and high temperature range, Murata's DMG series offers high voltage with very low equivalent series resistance (ESR) all within a miniaturized, yet robust package. Available in 2.1V single-cell and 4.2V double-cell options, the 2.1V provides a nominal capacity of 700mF with a profile of only 1.4mm and an ESR at 1kHz 70mΩ. The 4.2V has a nominal capacity of 350mF at 2.8mm thickness and 130mΩ ESR at 1kHz.  

The DMG series, like all of Murata's EDLC's, are fully RoHS-compliant.

Pricing: Sample pricing for the 2.1V is $5 and $9 for the 4.2V.

Availability: Lead times range from stock to eight weeks.

Datasheet: Click here.