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Member #742378

Member Since: November 21, 2015

Country: United States

  • I have a LED rated at 50W @ 85V-265v AC I wanted to use a series resistor (56 Ohms) to create enough 12V to run a fan. The LED is OK but the resistor burns out (!?) P = (0.2)sq X 56 = 2.24W (!?) It should only be carrying 200mA (250V X 0.2 = 50W) and 12V = 0.2 X 56 Ohms Is something happening in the reverse direction?

No public wish lists :(