TDK Corporation announces the successful development of the HMS series of compact unit type power supplies including four models rated for 50 W, 80 W, 100 W, and 150 W, to meet a wide range of customer needs. TDK-Lambda Corporation will start accepting orders for the new products from June, and mass production will begin in July 2015.
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The HMS series can obtain input voltage from either dc lines or ac lines. The lower limit of the new series for operation on a dc input is 80 V (load factor 80%), which is 10 V lower than with the existing series. When handling voltage drops of a power source such as a battery, this broadens the operation range and helps to improve equipment performance. The expected electrolytic capacitor service life is a full 10 years when operating continuously (24 hours a day) at a load factor of 50% in a 40 degrees C environment.
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Features include: Support for both dc and ac lines, with input voltage range rating as follows, 80- to 370-Vdc (50 W to 100 W types: load factor 80% at under 110 Vdc; 150 W type: load factor 80% at under 95 Vdc) and 85- to 265-Vac (load factor 60% at under 75 to 85 Vac, 20 seconds guaranteed); Long service life: Expected service life of electrolytic capacitors 10 years (at 40 degrees C ambient temperature, load factor 50%, 24 hours a day operation, in standard installation); High efficiency: 88% with 100 Vac input; Smaller form factor: 55% less volume (HMS150-24 compared to MS-11-24); Wide ambient temperature range for operation: -10 to +70 degrees C (-10 to +50 degrees C at load factor 100%).
source: http://www.powerpulse.net/story.php?storyID=32270
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