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Reply to "LED Resistor heat:"

@MCD4x4 posted:

John the 1K 1/4 watt resistors are sold in 1% and 5%, which one is beater for the application?

The "percentage" rating is just the average accuracy of the resistance rating in a batch of that type of resistor -- the lower the percentage, the closer any given resistor in the batch will, on average, be to the rated value (and the more accurate the rating, the higher the price). Unless you need a precise resistance (and you really don't here!), you can safely ignore the percentage rating, as John said. Even if you're working with resistors with a lower accuracy rating, actually *measuring* the resistance of any given resistor will enable you to be sure the *actual* resistance is close enough to what you need.

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