|
Their efficacy is close to 50 lm/W, much higher than incandescent lamps, and similar to the least efficient fluorescent sources. However, with no electrode to consider, starting can be instantaneous and lamps can be switched any number of times without the degradation that always occurs when electrodes are present. In the case of self-ballasted lamps, the lifetime is approximately 10000 hours, much less than the fitting-based induction lamps, due to the difficulty to control the temperature of critical components in the ballast. |