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LED Resistor Calculator

Calculate led resistor with this free online tool

LED Resistor Calculator

Calculate the required resistor for your LED circuit

R = (Vsupply - Vled) / Iled

Results

Required Resistance

150.00 Ω

Nearest Standard Resistor

150.00 Ω

Resistor Wattage

60.00 mW

Voltage Drop across R

3.00 V

Recommended resistor wattage: > 120 mW (2x safety margin)

Tool Information

Category
🔧 Electronics & Arduino
Type
Processed in browser
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LED Resistor Calculator - Gratis Online | NavajaSuiza Digital