Led Resistor
How do you restrict the current in a circuit with a resistor? LED lamp needs the current restricting to 20mA?
Current = Voltage / Resistance
So when you’ve got a 9V battery…
20mA = 9V / Resistance
So you need at least a 450 Ohm resistor.
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ON Semiconductor Introduces Integrated Linear Current Regulator and Controller for Automotive Lighting
PHOENIX—-ON Semiconductor , a premier supplier of high performance, energy efficient silicon solutions for green electronics, has announced the release of a linear regulator and controller product.
May 1st, 2007 in
Uncategorized | tags: calculator, diy, electronics, led, led resistor, led resistor calculator, led resistor calculator download, led resistor chart, led resistor formula, led resistor wiring, led resistors, reference