LED Resistor Calculator
490 Ω (Ohms)
Calculated Series Resistor Value
Nearest E24 Standard Resistor
510 Ω
Resistor Power Dissipation
196 mW (0.196 W)
Min Recommended Wattage Rating
1/4 Watt (0.25 W)
Total Series Forward Voltage Drop
2.20 V
Rate This Tool
Your feedback helps others discover great tools
3.8
out of 5
16 ratings
👍 Recommended
Tap a star to rate: