Product News: Electrical Equipment & Systems

DC/DC Converters meet medical safety standards.

Press Release Summary:

DC/DC Converters meet medical safety standards.

May 09, 2014 - Meeting 2x MOPP and IEC/EN 60601-1 3rd Edition medical safety standards, THM-WI series includes 3, 6, and 10 W power classes in DIP-24 package with reinforced insulation. Models are available with 3.3, 5, 12, 24, ±5, ±12, and ±15 Vdc fully regulated single or dual outputs and 4:1 input ranges of 4.5–9 Vdc, 9–36 Vdc, and 18–75 Vdc. Along with efficiency up to 90%, features include <2 µA leakage current, I/O isolation system tested with 5,000 Vac, and 40 to +85°C operation without derating.

Power Sources Unlimited, Inc. - Wrentham, MA

Original Press Release

DC-DC Converters Meet IEC/EN 60601-1 3rd Edition and 2x MOPP Medical Approvals

Press release date: Apr 29, 2014

Wrentham, MA — Power Sources Unlimited, Inc. announces the new THM-WI family of high performance DC-DC converters. Designed in an industry standard DIP-24 package with reinforced insulation and are available in three power classes: 3 Watt (THM 3WI series), 6 Watt (THM 6WI series) and 10 Watt (THM 10WI series). These units meet 2x MOPP and IEC/EN 60601-1 3rd Edition medical safety standards. They are ideally suited for a variety of applications including patient vicinity medical devices and for demanding safety and space critical applications.

The THM-WI series offers standard models of 3.3, 5, 12, 24, ±5 ±12 and ±15VDC fully-regulated single or dual outputs. Product highlights include 4:1 ultra-wide input voltage ranges of 4.5–9VDC, 9–36VDC and 18–75VDC, high efficiency up to 90%, low leakage current <2µA, over-voltage protection and continuous short-circuit protection. I/O-isolation system is tested with 5000VAC, units are rated for 250VAC working voltage, operating temperature range is –40°C to +85°C, without power derating. All models have an internal input filter to meet EN 55022, Class A.

Pricing starts under $30 per unit in OEM quantities. Prototype quantities are available in 1–2 weeks. All Traco Power products are backed by a 3 year warranty.

PSUI is an ISO 9001:2008 North American Authorized Distributor for Traco Power.

Download full specifications and procure parts online at, or For sales or applications inquiries, please contact Power Sources Unlimited toll free at 800-966-PSUI(7784) (USA only) or 508-384-1419 or email

Power Sources Unlimited, Inc., 200 Stonewall Blvd. Suite 4, Wrentham, MA 02093
Telephone: 800-966-7784, Fax: 508-384-1896, Email:, Web: