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Publication Date: 09/1/2008
Archive >  September 2008 Issue >  Product Preview: ATExpo/IPC-MW > 

Lambda Launches Low Cost Power Supplies
Enclosed power supply.
San Diego, CA — Lambda has launched four new series of power supplies. Developed to provide low cost and small size, the LS50 (50W) through LS150 (150W) series of AC-DC single-output power supplies cover the popular output voltages including 3.3V, 5V, 12V, 15V, 24V, 36V and 48V, available in four power ratings, 50W, 75W, 100W, and 150W.

In many applications, the AC input line-quality is poor and factory equipment can cause the input voltages to fluctuate and generate high voltage spikes. Such line transients and disturbances can drastically reduce the life of many power supplies that are only designed for use in an office environment.

The enclosed units not only carry the CE Mark but meet

UL/EN/IEC60950-1 safety agency specs. The units have a withstand voltage of up to 1.5kVAC input to ground, 3kVAC input to output, and 500VDC output to ground. The power supplies also conform to the immunity standards of EN61000-4-X and the EMC/EMI standards of EN55011-B, EN55022-B and FCC-Class B.

All models meet the Power Factor and Harmonic Correction requirements of EN61000-3-2 and are RoHS-compliant. Other features include a voltage adjustment potentiometer, a Green LED "On" indicator and screw terminal connections.

The convection-cooled operating temperature range is from -25 up to +70°C with deratings above 50°C. The LS50 through LS100 series can operate with a universal AC input of 88 to 264VAC, and the LS150 has a 115/230VAC selector switch. The supplies range in size from 3.9 x 3.8 x 1.4-in. up to 7.8 x 3.9 x 1.5-in.

Contact: Lambda Americas, Inc., 3055 Del Sol Blvd., San Diego, CA 92154 800-526-2324 or 619-575-4400 fax: 619-429-1011 Web:

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