Operating from a universal input of 88 to 264 V ac and 47 to 63 Hz, the LS25 (25 W) and LS35 (35 W) single-output power supplies are available with 3.3-, 5-, 12-, 15-, 24-, 36-, and 48-V dc. The LS supplies are enclosed and carry the CE Mark in addition to being certified to UL/EN/IEC60950-1 safety agency standards. The units have a withstand voltage of up to 1.5 kV ac input-to-ground, 3 kV ac input-to-output, and 500 V dc output-to-ground. The LS series also conform to the immunity standards of EN61000-4-X and the EMC/EMI standards of EN55011-B, EN55022-B, and FCC-Class B (which is much more stringent than Class A). All models meet the power factor and harmonic correction standards of EN61000-3-2 and are RoHS compliant. Other features include a voltage adjustment (±10%) potentiometer, a green LED “on" indicator, and screw terminal connections. All units carry a three-year warranty. The convection-cooled operating temperature range is from ?25°C to 70°C with deratings above 50°C. The LS25 and LS35 series range in size from 3.1 by 2.0 by 1.1 in. to 3.9 by 3.2 by 1.4 in. They are available now with prices starting at $15.50 each in 100-unit quantities. TDK-LAMBDA, San Diego, CA. (619) 575-4400.
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