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200-Watt AC-DC Switchers Can Withstand Condensing Atmospheres

Wed, 10/26/2011 - 1:30pm
200W SMPSAbbott Technologies Inc. has extended its AM military power supply product line, and now offers a family of AC-DC switchers that can withstand condensing and other extreme environments. The new products, designated the AM200EC family, employ light-weight circuit board coatings and desiccants to handle condensing atmospheres involving high humidity and low temperatures. Abbott AM200EC military power supplies can operate from single phase inputs ranging from 95 to 260 VAC at line frequencies from 47 Hz to 880 Hz. All input sections include built-in power factor correction, meet MIL-STD-1399 Section 300 requirements for spike voltage testing and provide line regulation of ±1 percent. Output voltage can be specified from 12 V to 48 VDC, and achieve load regulation of ±1 percent from no load to full load. Standard operating temperature range is from -40ºC to -70ºC base plate with no de-rating, while ripple and noise are less than 2 percent peak-to-peak over a 20MHz bandwidth. Extended temperature range models are available.

Each unit includes a range of features expected in every Abbott military power supply. These include short circuit protection with current limiting, in-rush current limiting, remote error sensing, and built-in test functions. Calculated MTBF is 109,000 hours per MIL-HDBK-217F in a naval sheltered environment, while electromagnetic compatibility meets the CE101 and CE102 requirements of MIL-STD-461F. All versions can meet shock specifications for MIL-S-901, and vibration specs for MIL-STD-167. Nominal size is 3.5 x 6.6 x 1.25 in. and weight is less than 2 pounds.

Abbott Technologies Inc.
800-367-8200, www.abbott-tech.com 
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