churchhaze
Well-Known Member
The risk of fan failure is why I don't like artic 11 (or other purely active heatsinks) in general. Safety is a major concern. You can easily dissipate 80W through an artic 11, but if the fans go out, it will be blistering hot.
When I run my 80W vero 18 killers without a fan, it gets hot, but not enough to seriously damage the leds and it's only uncomfortable to the touch. In fact, I could probably run without a fan for a considerably long time without risk. They're designed to have an optional fan.
Active heatsink designs should be designed in such a way where fan failure will not burn down your home. (I think your pepper bars look great btw)
When I run my 80W vero 18 killers without a fan, it gets hot, but not enough to seriously damage the leds and it's only uncomfortable to the touch. In fact, I could probably run without a fan for a considerably long time without risk. They're designed to have an optional fan.
Active heatsink designs should be designed in such a way where fan failure will not burn down your home. (I think your pepper bars look great btw)
I'm using a 60w 12v led driver (for signs) as a power supply to run 4x 3000 rpm fans, it also powers my two 5 volt regulated PWM circuits I made to control the speed of the 4-wire fans. I originally used a wall wart to power the fan on a pc heatsink with one CXA3070 at 1.4 amps. I came home from work and the PSU had died and the heatsink was pretty hot. It had been off for a while I'm guessing but when I pointed my IR thermometer in between the fins of the heatsink it was still under 50c. I wont trust a cheap power supply again, buy a good one its only money.
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