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Current-limiting resistor for an LED

Author: kuni3075Executions: 9935
TOP/Shared Formulas (Engineering)/Electrical & Circuits

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Calculates the optimal current-limiting resistor based on the supply voltage, the LED’s forward voltage, and the desired current through the LED.
Power Supply Voltage
V
Forward Voltage of an LED
V
Current value to be applied to the LED
mA
Current-limiting resistor Ω
Power Dissipated in a Resistor W
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