Resistor help

30ma

would it matter if i ran a little more current through it ?
say for example 6 or 9 volts what effect is this likely to have long term ?

i have tested it with both 6 and 9 volts and it workd fine but 12v blew one of these leds

Thanks James
 
thanks for the reply

I have tried the LED in place at 3V and it wont be bright enough but at 6 it is *just* bright enough and at 9V is spot on (using small 3v watch batteries)

but wiring it directly to the cars 12v burnt it out almost straight away
does the amount of increased current decrease the life of the LED on a linear scale ?

eg 3v - life = 50,000 hours
6v - 25,000 hours

if current gives higher output what does the increased voltage do ?
 
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