TMW12 USB series adapters deliver 12W of output power.

Press Release Summary:

Available in black or white color, 5V/2.4A TMW12 USB series adapters feature 90 to 264 VAC and 47 to 63 Hz input in fixed or interchangeable AC plug configurations. Offering touch current of 100µA and MTBF of 300K hours, units are protected against over voltage, over current and short-circuit conditions. Capable of sustaining 4,000 VAC from input to output, products are operated from 0°C to +40°C temperature range. Adapters are DOE compliant.

Original Press Release:

TRUMPower’s New 12W Wall Mount USB Power Adapter Meets 4th Edition Medical EMC Standards

TRUMPower features its new 5V/2.4A TMW12 USB series of medical wall mount adapters which are available in black or white color, with a USB socket on the case or a molded output cable with a DC plug.

The switching power adapters feature 90 to 264 VAC, 47 to 63 Hz universal input in fixed or interchangeable AC plug configurations. There are 4 different types of AC wall plugs to meet worldwide requirements: US, EU, UK, and Australian. The units have touch current of 100µA maximum. The 5V output power supply delivers 12W of continuous output power and comes with the built-in USB type A receptacle on the case as its standard. TRUMPower offers other connector options such as Mini USB type A and B, Micro USB type A and B, or barrel connectors and can also accommodate special requests.

The wall mount adapters are protected against over voltage, over current, and short-circuit conditions. The units can withstand 4,000 VAC from input to output (2 MOPP). They have a minimum efficiency of 83% at full load and can operate at an ambient temperature range of 0°C to +40°C. MTBF is 300K hours minimum at full load, 25°C ambient, calculated per Telecordia SR-332

The TMW12 series is certified by UL/cUL, CB, TUV/GS to the latest medical standards, including UL/IEC/EN 60601-1 (Edition 3.1), IEC 62366:2007+A1, EN 62366:2008+A1, ANSI/AAMI ES 60601-1 (2012), CSA C22.2 No. 60601-1 (2014) and by CB to IEC/EN 60950-1 2nd edition ITE standards. It also has PSE (J60950-1 and J55022) approvals. The power adapter meets IEC/EN 60601-1-2 4th edition medical EMC and immunity standards including EN 55011, CISPR 11, FCC class B (conducted and radiated emissions), EN 61000-3-2, EN 61000-3-3, EN 61000-4-2 (ESD at 15kV air and 8kV contact), EN 61000-4-3, EN 61000-4-4, EN 61000-4-5, EN 61000-4-6, EN 61000-4-8, EN 61000-4-11. The units are DOE/GEMS level VI and ErP stage II compliant.

The TMW12 USB series is competitively priced in OEM quantity. For more detailed specifications, please view the datasheet at or email

TRUMPower also offers a 5V/2A version medical wall mount adapter with USB socket on the case. Datasheet for the TMW10 USB series is as follows:

TRUMPower has been delivering high quality medical and industrial grade AC/DC switching power supplies and DC/DC converters for more than 25 years. 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 standard power supplies or high volume custom products by providing excellent service, reliable and cost-effective power solutions. As a result, it has been an ever-trustable source of power supplies for many satisfied customers over the years.

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


Lyann Yu

Tumbler Technologies + TRUMPower

3350 Scott Blvd.,

Building 13 Santa Clara,

CA 95054, USA

Phone: (408) 988-6616 Ext. 102

Fax: (408) 988-6622


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