Tearing Down A Failed LED Bulb

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As a trial, I picked up a 5-pack for the vanity lighting. 5 failed comparatively shortly… All 5 circuit boards had been Nonetheless GOOD? My "repair" was nearer to re-manufacturing. I tested every led individually with a relentless present/voltage energy supply. Half to three quarters of the leds in each bulb had been a close match. The remainder, I swapped round for matching leds from certainly one of the other bulbs. In the long run, I now have three good bulbs, using matched leds. Going robust for over a year, with no sign of deterioration. Also, a small collection of mismatched yellow/white leds, able to serve as indicators in a circuit, or throwies, or whatever. If the manufacturer had performed A bit quality management before hand, they might have easily made a bulb worth three instances it’s asking price. Now, Most of the dearer led bulbs use surface mount leds, with a substrate that can act as a heat sink of some kind. Also, they are a lot better binned for the multi-led designs. For Simply the $40 purchase worth of a "good" led bulb, I can buy a pack of 60W incandescent bulbs, and run them 24/7 for a full 12 months. Energy price BREAKS EVEN. ’s over 90,000 hours of operation. ’s about twice the rated lifespan of an LED bulb(50,000 hours on the final package I checked). The unhappy truth is, the only Financial motive to modify from incandescent to LED is… ’re not gonna be making incandescent anymore. Even CFLs fall victim to this logic, although not as badly. A CFL bulb prices 6 times as a lot, lasts 8 instances as long, and is 5 instances more environment friendly(roughly). 60,000 hours) of steady use, a pack of CFL is saving me cash vs a pack of incandescent.



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