2 oz, or Not 2 oz: That is the Question?

Dr Giles Humpston, Applications Manager
Cambridge Nanotherm†

A variation of this question vexed Prince Hamlet while the modern version unsettles many a LED PCB designer. Itís all about copper thickness. When designing a PCB for LEDs, what weight of copper should be specified? MORE

LEDs Under the Thumb

Dr Giles Humpston, Applications Manager
Cambridge Nanotherm†

LEDs do two things really well. They emit light and heat, in roughly equal measures. The light is generally useful, the heat less so. Heat and LEDs do not make good bedfellows so when designing a solidstate light source, as much care needs to be taken in removing the heat as managing the photons. MORE

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