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Supplying an AC-DC Power Supply from a DC source
A frequently asked question concerns the suitability of using an AC/DC power supply with a DC source. There are two part...
DEF-STD 59-411 and the challenge of Land Class A
DEF STD 59-411 was issued by the UK Ministry of Defence in 2007 for land, sea and air equipment. It replaced DEF STD 59...
New Version of EN61000-3-2, The Harmonic Current Standard
EN61000-3-2:2006+A2:2009 is the present standard for limits for harmonic current emissions for equipment with an input c...
Industry leading 95% efficient 225 Watt AC-DC supply in a 2" x 4" package
The EPL225 series of high efficiency, open frame, AC-DC power supplies are approved for industrial, IT and medical appli...
The New Safety Standard for ITE and AV Equipment: IEC62368-1
The boundaries between information technology and audio/ video technology have become increasingly blurred. For example,...
Using Y rated capacitors in medical applications
The medical standard IEC60601-1 is mandatory for medical equipment and requires manufacturers to review the isolation sy...
DEF-STAN 61-5 Part 6, Issue 6, Compliance Made Easy
In February 2009, the UK Ministry of Defence published issue 6 of Defence Standard 61-5 part 6 to cover 12 and 24V syste...
EN55032 Replaces EN55022
EN55032 is the new standard for EMC emissions replacing EN55022, the standard for ITE equipment, and two other EMC stand...
3, 6 & 15 Watt medical DC/DC converters offer 2 x MOPP and patient leakage to 2 µA
The JHL & JHM series of encapsulated, isolated and regulated DC-DC converters for medical applications.
Removing heat from sealed enclosures
Demand for power supplies that can withstand harsh environmental conditions does not only come from defense applications...
IEC60601: understanding the changes from 2nd to 3rd edition
Medical Power Supplies Standard Challenges The general standard IEC 60601 is the accepted standard for medical equipm...
Hi-Pot safety certification - understanding the tests required
Certifying a new product to relevant safety standards is an essential part of any design and development process. But fa...