McMantom.com - LED Resistor Calculator

Utility | LED Resistor Calculator

LED Resistor Calculator
Indicate threshold tension of LED. This value depends on the type of LED. The values of threshold tension are theoretical.
(*) LED Forward V Drop		V
() If used more LED's* in series, please added threshold tension to the LED.
Infra-red	*()**	1.5V
Red	*()**	1.6V
Green	*()**	2.1V
Yellow	*()**	2.2V
Blue	*()**	2.9V
White	*()**	4.0V
Tension of supply		V
Current		mA

Tension to be reduced		V
Resistor to use		Ohm
Standard Resistor Value		Ohm
LED Current		mA
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