Re: [DML] #5939 at DCS'12
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Re: [DML] #5939 at DCS'12

Obviously you are a better electrician than I am.

SuperBright advertises these strips as "Suitable for Automotive Applications." They do not mention adding any other components to the circuit. Silly me -- I took them at their word.

It's not as though the whole strip stopped illuminating -- just random elements here & there. My original installation concealed the leads behind the strip, which looked nice but made replacement difficult (door panel had to be removed, which fortunately I was doing anyway to dye the carpet). I now have the leads configured for replacement without door panel removal.

FWIW: A few elements have stopped illuminating in some of my LED bulbs as well. Manufacturers of those devices do not intend for end users to add components to their circuits either -- they are plug & play replacements for incandescent bulbs.

Bill Robertson

--- In dmcnews@xxxxxxxxxxxxxxx, "Tom Niemczewski" <dmctom@...> wrote:
> Bill,
> Your post just proves the point that Martin has made some time ago. You have 
> no idea what you are talking about but you believe that you do. When it 
> comes to LED strips, apparently you have no idea how LEDs work. Do you?
> LEDs never burn out when the current supplied is within their limit. Those 
> are not little light bulbs. Bulbs "care" about voltage supplied, LEDs need 
> the current to be controlled. What kind of current regulator have you used 
> with your door strips? Let me guess, they run off of 12V so you connected 
> them directly to the car. That is why they burned out. Those strips need 12V 
> EXACTLY! The battery alone when fully charged will supply 12.6V and that it 
> too much for the strips. With the alternator running and supplying around 
> 14V you are overloading the LEDs and they will burn out quickly.
> LEDs have a lifespan of 100,000 hours of continuous operation. It doesn't 
> mean that they will burn out after that. They will loose between 30 and 50% 
> of the initial brightness but they will never burn out. Install a PROPER 
> resistor or current source to drive your LEDs correctly and they will never 
> burn out.
> BTW, you should watch your language. This is a world wide mailing list and 
> not some trailer park where you say whatever you want.


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