This lamp will not work with dimmers with whom they should work towards the technical manufacturer specifications. In a telephone odyssey through the Osram I learned who I ever "sold" as a manure by far rudest most arrogant pampigsten people know. The statements of the employees leave, in addition to concentrated incompetence, also suggests that one is still very uncertain in the LED market.
I've replaced to return by Phillips and can only say - there were a competent customer - the technical data agreed and held three weeks Testerei and phone Zoff I had all 127 lights running in two hours with dimmers ....