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Super Bright White 5mm LED 17000 mcd 100 Piece Kit with Voltage Dropping Resistors
what size are these? 5mm?
Yes, these are indeed 5mm
Date published: 2014-02-07
Is this dimmable if attached to a 12v dimming circuit (like a car dashboard supply)?
As long as you do not exceed the rated voltage and use the current resistor you can get some dim ability from themI replaced two in a dash circuit with good results each one with its resistor attachedSide note if you replace all your dash lights with these it will not work as the dimmer resistor does not have enough drop you would have better luck with a dimable led power unit
Date published: 2013-04-24
What is the formula for conversion to lumens ?
Check this out: http://led.linear1.org/lumen.wiz/This site may help you get an approximate answer.
Date published: 2012-07-05
What exactly does this mean ?? Thanks. RG
Millicandelas - a measure of luminous intensity. Conversion to lumens is possible if you know the beam angle of the LED.
Date published: 2012-06-25
What are the ohm values on the 2 different reisistors?
The included resistors are 100Ω and 470Ω.
Date published: 2012-05-18