Re: [DML] LED Center Console Burnout
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Re: [DML] LED Center Console Burnout

Robert Lingo wrote:

>>Elvis wrote:
>>what kind of LED's did you use ?
>I bought them off EBay about a year ago. All I know is they came in a static
>proof bag, they are rated at 3.5V, and have a 25000mcd/LED.  I just solder
>them together and go.

>That's why I put them in series.  If I ran them in parallel I would then
>need resistors for each circuit.
>Lingo #2034
To make a long storage short.. You still need a current limiting
resistor somewhere in the circuit when using LED's if they don't have
them built in.  Getting the right voltage is only half the battle.  You
have to remember, your dealing with diodes. they conduct current in one
polarity and appear open in the opposite.. When LED's conduct they emit
light.. They will appear in the circuit as a short, therefor trying to
pass all the current supplied until they burn.  This is why you need
current limiting resistors. to limit the amount of current actually
flowing through them.


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