I have a few fixtures (all recessed low voltage halogen MR16 bulb) that are humming. I know the ones with cheap transformers are susceptible to hum when dimmed, but mine seem to do it under full ...

From Zetex Semiconductors, a dedicated chipset and reference design for MR16-compatible LED lamps significantly decreases PCB size and weight in lamp necks, lowers manufacturing costs, and reduces the ...