Product News: Health, Medical, & Dental Supplies and Equipment

Medical Grade Power Supplies have low (1.59 in.) profile design.

Press Release Summary:

Medical Grade Power Supplies have low (1.59 in.) profile design.

Oct 05, 2012 - Approved to medical and ITE safety standards, TMPC 1U series comprises 250, 300, and 350 W PC power supplies with 90–264 Vac universal input, active PFC, and DC output voltages and max loads of +3.3 V/16.0 A, +5 V/18.0 A, +12 V1/16.0 A, +12 V2/16.0 A, -12 V/0.5 A, -5 V/0.2 A, +5 Vsb/2.5 A. Products measure 7.48 x 3.94 x 1.59 in., are 80 PLUS Bronze certified, and deliver 80% min efficiency at full load. Depending on model, MTBF at full load ranges from 135K–198K hr at 25°C ambient.

Tumbler Technologies, Inc. - Santa Clara, CA

Original Press Release

TRUMPower's 250W, 300W & 350W EPS1U Power Supplies Are 80 PLUS and EN/UL/IEC 60601-1 3rd Edition Certified

Press release date: Oct 01, 2012

Santa Clara, California, USA – Tumbler Technologies + TRUMPower offers its TMPC 1U series of 250W-350W AC/DC medical grade PC power supplies with 1.59” low profile, which makes the PC power supply suitable for 1U and other medical applications where height is limited. The series is approved to the latest medical and ITE safety standards. The lineup comprises of the 250W, 300W, and 350W models.

The units are approved to the 3rd edition of EN 60601-1, UL 60601-1, and IEC 60601-1 medical standards, which includes risk management and are also approved to EN/UL/IEC 60950-1 2nd edition standards. The agency approvals include EN 60601-1:2006, IEC 60601-1:2005 and IEC 60950-1:2005 by VDE, ANSI/AAMI ES 60601-1: 2005 and CAN/CSA-C22.2 No. 60601-1:08 by UL. The power supplies have DC output voltages and maximum loads of +3.3V/16.0A, +5V/18.0A, +12V1/16.0A, +12V2/16.0A, -12V/0.5A, -5V/0.2A, +5Vsb/2.5A. Maximum loads for +3.3V/+5V/+12V1/+12V2 are 231W, 281W, and 331W for the 250W, 300W, and 350W models, respectively. The series is 80 PLUS Bronze certified, with an active efficiency of 80% minimum at full load.

Measured at 7.48” x 3.94” x 1.59”, the power supplies come with an on/off switch, a thermally controlled low noise ball-bearing fan, and are furnished with a standard output cableset, which includes the 20+4 pins ATX motherboard connector, 4-pin or 8-pin +12V CPU connectors, SATA drive connectors, etc. that can meet the requirements of most PC-related applications. Alternatively, custom cablesets can be ordered as requested by the customer.

With a 90-264 VAC universal input and active PFC, all models comply with EN61000-3-2 standards. The units meet ATX12V EPS1U 2.0 standards and are CE marked, RoHS compliant. In addition, the power supplies meet EN60601-1-2 EMC standards, including EN55011/FCC/VCCI class B (conducted and radiated emissions), EN61000-3-2, EN61000-4-2, EN61000-4-3, EN61000-4-5, EN61000-4-11. Before delivery, the power supplies have passed 100% Burn-in test @ 50°C and 100% Hi-Pot test. Depending on the model, the calculated MTBF at full load ranges between 135K hours and 198K hours at 25°C ambient, per MIL-HDBK-217F. The earth leakage current at 264 VAC is 160µA typically.

The units feature dual input line fuses, 2 x MOPP (means of patient protection), output overvoltage, overload and short circuit protections. Overload protection is 150% maximum of the rated output. Hold up time is 17 milliseconds minimum at full load, nominal input voltage and power fail signal delay time is 1 millisecond minimum. The power supplies operate between 0°C to +50°C and can be stored at -20°C to +80°C.

The TMPC 1U power supplies are economically priced and available from stock to 8 weeks ARO.

For more detailed information on the TMPC medical 1U series, please email or visit the following link:

About  TRUMPower

TRUMPower has been delivering excellent quality medical and commercial grade AC/DC switching power supplies and DC/DC converters since 1991. The company’s medical grade power supplies range from 3W to 700W 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.