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DigiKey's LED series resistor calculator uses supply voltage, forward voltage, and forward current values to help you identify the correct series resistor.
This calculator will help you determine the value of the resistor to add in series with the LEDs to limit the current. Just input the indicated values and press the "Calculate" button. As a bonus, it will also calculate the power consumed by each LED.
This LED calculator will help you calculate the resistor values you will need when designing a series/parallel LED array circuit.
Calculate resistor values for LEDs using this simple calculator. Enter any three known values and press Calculate to solve for the others.
23 Ιαν 2024 · Our user-friendly calculator helps you determine the resistance needed to power one or more series-connected LEDs from a specified voltage source at a designated current level. The calculation, rooted in Ohm's Law, also accounts for the voltage drop across the LED.
5 Οκτ 2024 · Use this calculator to determine the appropriate resistor value for your LED circuit. Enter the supply voltage, forward voltage, and forward current to calculate the recommended series resistor.
Calculate the resistor to use in a circuit with an LED by entering the supply voltage, forward voltage, and forward current below. Optionally calculate the resistor to accommodate multiple LEDs connected in series.
