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LED circuit power calculator

The following power calculator is a power calculator for LED circuit, which can provide LED circuit power consumption and series resistance calculation.

input parameter
Supply voltage V
LED Forward voltage V
LED Rated current mA
   
Calculation results
Series resistance value Ohm
Lower one 5% Standard series Electrical compatibility value Ohm
Color scarcity color 5%
LED Power waste mW
Resistance power mW
Input parameters: power supply voltage: set range from 3V to 12V
 LED forward voltage: input range from 2V to 4V
 LED rated current: input range from 10mA to 50mA