Led Current Limiting Resistor Calculator. 20ma will work for most regular leds. Our led calculator will help you determine the value of the current limiting series resistor when driving a single or an array of low current leds.
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Superbright leds can go from 30ma up to several amps. If you are a beginner in electronics or university student you can use it to learn about light emitting diodes. Led current limiting series resistor calculator each light emitting diode led has an optimal current that they can safely handle.
2 volts blue and white.
Calculation of current limiting resistors for a single led and led arrays this led calculator designs a simple one led with one series resistor or multi led array circuit with series led chains combined in parallel clusters. Going beyond that maximum current even briefly may damage the led internally without any visible signs. The current through the circuit is constant so iled is also the current through the resistor. To use the calculator enter any three known values and press calculate to solve for the others.
