Philips CDM-TC Elite 50W/930 G8.5 Specifications CDM-TC Elite is a compact iodide ceramic single-ended discharge lamp that provides a high quality light. They correspond to the high-end Philips CDM-TC range of lamps. Philips CDM-TC Elite 50W/930 G8.5 are fitted with a G8.5 type base, and will be very easy to install in your old halogen luminaires.The average lifespan of Philips CDM-TC Elite 50W/930 G8.5 is 15000 hours, which corresponds to approximately 10.5 years of use. Philips CDM-TC Elite 50W/930 G8.5 use Philips CDM-TC Elite 50W/930 G8.5 will provide a superior quality light, with a color rendering index of 90-100 Ra. The light emitted will be a warm white colour of 3000K.