TRUMPower's 42W Multiple Output Power Adapters Meet Level VI Energy Efficiency Standards

July 2016 - Santa Clara, California, USA - TRUMPower announces the TSA42 power adapter series, which are compliant with DOE level VI. Measuring 146mm x 76mm x 43mm, the TSA42 units are furnished with an IEC 320/C14 AC inlet and a power-on indicator.

The series comes with 16 dual and triple output models offering combinations of +3.3V, ±5V, +5.1V, +7.2V, ±12V, ±15V and ±24V @ 23.82-42W output power. It features 80-84% efficiency @ full load and 0.3W no-load power consumption. Standard output connector is a 5-pin DIN plug but alternative output connectors are available upon request.

The power supply is approved to UL/IEC/EN 60950-1 2nd edition safety standards and it is UL, cUL, CB, CE, TUV/GS, PSE approved. The unit complies with EMC and immunity standards including EN55022, FCC Class B, EN61000-3-2, EN61000-4-2, EN61000-4-3, EN61000-4-5, EN61000-4-11, etc.

The power supply is RoHS compliant and accepts a 90 to 264 VAC universal input. Withstand voltage is specific at 4242 VDC from input to output and 2677 VDC from input to ground. The units can operate at 0°C to +70°C ambient temperature (de-rating applies above 40°C) and the MTBF is higher than 100,000 hours at full load, 25°C ambient calculated per MIL-HDBK-217F. Output protections include short-circuit, over voltage, and over load.

The TSA42 series is competitively priced in OEM quantity. For a complete models list and technical data, please visit:

TRUMPower offers a wide selection of ITE and medical grade power adapters ranging from 4W-400W that meet level VI efficiency standards. If other level VI power adapters are required, please email us at

TRUMPower has been delivering excellent quality medical and industrial grade AC/DC switching power supplies and DC/DC converters since 1991. The company’s medical grade power supplies range from 4W to 1200W and its line of ITE grade AC/DC power supplies range from 3W to 1400W in wall mount, desktop, open frame, and ATX PC form factors. TRUMPower can accommodate to OEM’s needs, whether they are low volume or high volume power supplies, by providing prompt responses and cost-effective power solutions. As a result, it has gained a substantial number of satisfied customers over the years and continues to do so.

For more information on the company and its other products, visit or email us at

David Tang

Tumbler Technologies + TRUMPower

3350 Scott Blvd., Building 13

Santa Clara, California 95054, USA

Phone: (408) 988-6616 Ext. 102

Fax: (408) 988-6622

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