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  • Overall Rating: 5
  • Price: 4
  • Quality: 4
  • Ease Of Use: 5
  • Usefulness: 5
Bright light in small package – T10 0.75W 5-LED Vehicle Signal Lamp Bulbs (12V White 2-Pack) Reviews

posted by fichoficho on 10/14/2009 Certified Owner

Involvement:Expert (understands the inner workings) - Ownership:1 week to 1 month

Excellent light output from such a small bulb. The leds are bright and each LED has three chips, so the total light output is increased over single chip leds. Lights the registration plate on the back of the car better than incadescent T10 5W bulbs.
The leds are rated for 12V, but while driving the car`s alternator usually produces 14.3V, so the resistors can`t limit the voltage (nor the current) to the leds, so they are being overdriven, which eventually causes the leds to produce a more blueish color.
Maybe if it had a digitally regulated current and voltage, but then, how to incorporate it all in such a small bulb.
Great bulbs for various application in cars. Can be used to replace regular T10 5W bulbs as they are almost the same size...


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