06-11-2026
Constant-Voltage vs Constant-Current: Driving LEDs
LEDs are current-driven devices, so the wrong supply can dim, flicker or destroy them. Here is how to choose between a constant-voltage and a constant-current driver.…
Read more →
03-11-2026
MTBF, Service Life and Warranty: What Each One Promises
A supply quoting 700,000 hours MTBF is not expected to last eighty years. The three reliability numbers on a datasheet answer three different questions.…
Read more →
30-10-2026
Obsolescence and Last-Time Buys: Planning a Long Product Life
A power supply outliving its own product line is a routine event. It is only a crisis if the first you hear of it is a last-time-buy notice.…
Read more →
27-10-2026
IP Ratings Explained: Powering Kit in Damp, Dusty or Outdoor Places
IP65, IP67, IP20 - the two digits tell you what a supply can shrug off. Here is how to read them.…
Read more →
27-10-2026
Coated, Potted or Sealed: Supplies for Harsh Environments
Condensation, salt, dust and vibration each attack a power supply differently, and the protection that solves one may do nothing for another.…
Read more →
23-10-2026
External Adaptor or Built-In Supply? Weighing the Trade
Putting the power supply outside the box changes your approvals, your thermal design and your service model all at once.…
Read more →