5mm led problem

i want to make a 5mm white led  series and run it by 5v power supply so i want to use 1 resistor is it possible?????

iceng19 days ago

YES !

Play it safe, assume a 3.2 Forward voltage at 6 ma=.006 Amp ..

5v-3.2v=1.8v for the resistor=Volts / current=1.8 / .006=300 ohms

Power=V x Amps=1.8 x .006=.011 watt, you may use the lowest 1/8 wattage value but a 1/4 Watt 300 ohm resistor will do :-)

CLEDV2.jpg
rickharris19 days ago

What's the specified forward voltage drop ?

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