07-08-2026
Standby Power and the ErP Directive: What the Numbers Mean
No-load draw is regulated, not just a nice-to-have. Here is what ErP asks of a power supply, and how to read the figures on a datasheet.…
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04-08-2026
EMC and the CISPR 32 / EN 55032 Marks
A supply that passes Class A can still fail your product. The difference between the two classes is where the equipment is allowed to live.…
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28-07-2026
Remote Sense: Compensating for Cable Voltage Drop
A supply regulates at its own terminals, not at your load. Remote sense closes that gap when the leads are long.…
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24-07-2026
Series and Parallel Operation: More Voltage or More Current, Safely
Need more volts or more amps than one supply gives? Wire two together - carefully. Here are the rules.…
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24-07-2026
Earthing, Class I and Class II Explained
The earth pin, double insulation and why some power supplies need earthing while others do not. A quick guide to protection classes.…
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15-07-2026
Switching vs Linear Power Supplies
Two ways to make a regulated DC rail - one small and efficient, one quiet and simple. Here is when each still wins.…
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