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Joining Murata’s ECAS series of polymer aluminum electrolytic capacitors is a device that boasts low equivalent series resistance (ESR) of 4.5 mΩ. This tiny capacitor, designated the ECASD40E477M4R5KA0, is housed in a 7.3×4.3-mm surface-mount case with a maximum height of only 2.0 mm.
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Despite its diminutive size, the part provides a capacitance of 470 µF ±20%, and capacitance remains stable when DC voltage is applied. The device can be used to smooth or even out voltage fluctuations in a variety of power supply circuits. As as a smoothing capacitor, the ECASD40E477M4R5KA0 helps ensure a stable power supply for CPUs, GPUs, and FPGAs in servers, accelerators, and laptop PCs.
In addition to an ESR of 4.5 mΩ measured at 100 kHz and +25°C, the capacitor offers a rated voltage of 2.5 VDC and leakage current of 117.5 µA. Operating temperature range is -40°C to +105°C.
The ECASD40E477M4R5KA0 is now in mass production. Samples are available upon request (registration required). For more information about the ECAS series of polymer aluminum electrolytic capacitors, click here.
ECASD40E477M4R5KA0 product page
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