Power supplies certified for medical applications

17th November 2015
Posted By : Joe Bush
Power supplies certified for medical applications

The DTM165 series of medically certified 165W external power supplies has been introduced by TDK Corporation. Tested to the 3rd edition of IEC 60601-1, the products have 4,000V AC isolation from input to output and earth leakage currents of less than 300µA.



The series is intended to power a range of hospital, dental and healthcare products for monitoring, imaging and diagnostic applications.

The series comprises of six output voltages from 12 to 48V DC, and accepts a 90 to 264V AC input through a standard IEC 60320-C14 connector. The output cable is terminated with a 4-pin Power-DIN connector with other connector types available on request. The DTM165 series can operate in ambient temperatures up to 60ºC, and has a vent-free enclosure measuring 170 x 85 x 44mm.

An average efficiency level of >87% and an off-load power draw of less than 0.5W enables the series to fully meet CEC, ErP and EISA Efficiency Level V requirements.

In addition to IEC 60601-1, the DTM165 has been certified to EN 60601-1, ANSI/AAMI ES 60601-1, CAN/CSA-C22.2 No. 60601-1-08 and carries the CE mark. TDK-Lambda’s medical safety compliance extends to providing 2 x MOPPs (Means of Patient Protection) input to output and 1 x MOPP input to ground. All models comply with EN 55011-B, FCC Class B conducted and radiated emissions and EN 60601-11-2 immunity standards.


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