1000mF Electrical Double Layer Capacitors

Murata Manufacturing Co., Ltd. has expanded its DMF series lineup of Electrical Double Layer Capacitors (EDLCs), with addition of 1,000mF model with low ESR. Part number DMF4B5R5G105M3DTA0 is rated 5.5V peak and 4.2V constant operation. It has an equivalent series resistance (ESR) of 40 mOhms, measures 14mm X 30mm X 3.7mm and is rated to operate from -40 to +70 degrees C. This new EDLC is expected to be used in a variety of peak-power, load-leveling and power backup applications.

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Murata’s EDLC can assist peak power for applications which require momentary peak power. It enables to downsize various power supplies. In addition, when using EDLC with battery or power supply which has limited power, high power function can be added to application or application quality can be improved. Peak power applications are expected to include: smart gas and water meter (wireless communication, valve operation), LED flash, IR sensor, intermittent operation of motor applications, high power wireless communication (handy terminal, tracking devices, etc.)

When combining EDLC with USB devices having limited supply or batteries having large load change, their load change can be leveled. Additionally, the use of EDLCs contributes to improved operation stability and quality performance of applications. Load leveling applications are expected to include: sound stability of audio instruments, operation stability of communication device, etc. The device can also be used for high power wireless communication, memory, or system backup. Examples of back-up power applications include: PLC, POS, SSDs, and so on.
 
source: http://www.powerpulse.net/story.php?storyID=31021

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