What is the Life Expectancy of an LED Light Bulb

When we talk about light bulbs in a House, we talk of its power and its consumption. One thing we look at often only after, it’s life. What is really?

Incandescent bulbs

In order of increasing longevity arrive first light bulbs incandescent. The filament blushed under the action of electric current and light and heat are produced. All oxygen is to be avoided because the filament is sets on fire and the light bulb would make the soul almost on the field. His life is very poor: about 1000 / 1200 hours is almost 42 / 50 days non stop.

Ignition and extinction too repetitive of the lamp reduces its life.

They have to disappear completely rays. They exist today than in the small powers.

Here is the schedule to stop sale of filament lamps:

Halogen bulbs

They arrive in next to last place. Often greater than the previous powers they are 2 times more robust. We reached the 2000 / 3000 hours or 83 / 125 days continuously.

Ignition and extinction too repetitive of the lamp reduces its life.

Fluorecentes compact light bulbs

Then come the fluo-compact bulbs. It’s the most common energy savings bulbs defined on Sportsqna. They are announced to a life expectancy of six to fifteen times longer than the incandescent light bulb or 6 000 to 15 000 1 000 hours hours. This gives us 250 to 625 days without interruption.

Remember that these lamps are particularly polluting uncontrolled rejection or case for the environment because of mercury they contain. In case of breakage of the light in a room, it is imperative to ventilate and leave the room for half an hour so that the mercury evaporates and disperses. It is also advisable to cut air conditioning systems that would contribute to spreading mercury vapors. Broken glass should be picked up with a cardboard as a pick up dust, and dust should be removed by dabbing the ground with a wet wipe. This waste must be bagged in one or two bags and be thrown in the garbage.

Ignition and extinction too repetitive of the lamp reduces its life.

Led bulbs

The winner of longevity is the led bulb. Its life expectancy is 50 000 to 100 000 hours or 2083 to 4166 days. Unlike the others, the end of life expressed by a progressive decline in performance and not by a brutal strain.

The bulbs to leds do not suffer of the ignition/extinction alternations. However it is often the electronics in the bulb of low quality which will decrease its lifetime!

Comparison of yields and lifetimes

The world record for longevity

Out of curiosity the bulb which, to this day, holds the official record for longevity is an incandecence bulb shining 110 years… It is listed in the Guinness Book of records.

Her name (and yes it’s a name) the Centennial Light or the Centennial bulb. It was installed in 1901 in the Firehouse #6 of Livermore in California. She has almost never been extinguished. It is one of the secrets of his longevity. It is used to bring a night presence to the fire. Another secret to his longevity is his craft and manual manufacturing with a filament carbon all entirely sealed air. She began to 60W and shines today 4W.

The first 75 years she has been connected to the 110-volt circuit (unstable) of the city, in 1976 it was moved to its current site, or it is on a separate 120 v power source

If you are passing in California next month, go see her l June 18, 2011 for its 110 years! Otherwise you can always admire him via his webcam:

 

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