>> 2. Current spec has it max If of 50mA. I am running them at 35mA, way >> below the rated spec. > >Could that be a misprint? Certainly sounds high for a T1 3/4 LED - if that is what you are using - at 100% duty cycle. I have always worked on 20mA at 100% duty cycle. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist