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LED light-emitting diode current limiting resistor value online calculation: LED series circuit
发布时间 :
2026-04-16 07:00:23 UTC
类别 :
Material
Page Views:
709 views
Supply voltage
V
Light Emitting Diode Voltage Drop
V
Required LED Current
mA
Number of connected LEDs
Calculating Current Limiting Resistance
Ω
Closest to standard resistance
Calculating resistance power
W
Safe resistance power
W
Red: 2.0-2.2v
Yellow: 1.8-2.0v
White: 3.0-4v
Blue: 3.0-4v
Green: 2.0-2.2v 3.0-3.2v
The above is for reference only
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Basic arithmetic operations