How long do LEDs last? - Factors effecting the life of LEDs
How long do LEDs last?
LEDs are notable for being extremely long-lasting products. Many LEDs have a rated life of up to 50,000 hours. This is approximately 50 times longer than a typical incandescent, 20-25 times longer than a typical halogen, and 8-10 times longer than a typical CFL. Used 12 hours a day, a 50,000 bulb will last more than 11 years. Used 8 hours a day, it will last 17 years!
Important factors effecting the life of LEDs
Operating at a high temperature, usually above 60°C can shorten the lifespan of LEDs while also decreasing efficiency. In fact the colder an LED operates the more efficient and longer lasting it becomes (down to -30°C). Therefore when choosing an LED bulb an important consideration is how well the bulb dissipates heat away from the LEDs. Aluminium bulb housings with fins usually help. The larger the housing, the more fins, the better the heat dissipates. That's why as the power/wattage of an LED bulb increases, the bulb housing generally becomes larger.
Fluctuation in the supply current can damage LEDs, shortening their lifespan. Fortunately most of our bulbs have built-in constant current chips safeguarding against this. In fact all our 240V LED bulbs/fittings have a constant current chip. Most of our 12V bulbs/fittings have constant current chips; those that don't can be powered by one of our 12V LED drivers instead of a standard 12V transformer.
Where can LEDs be used?
They can be used almost anywhere. LED replacements are already available for bulb types such as A-shape, PAR reflectors, MR reflectors, decorative, undercabinet, and more. When used on dimmers, particularly dimming systems that support many bulbs, we suggest testing a few LEDs first to test compatibility.
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