LED مدار قدرت شمېرګر

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