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Old 12-25-2007, 10:53 PM #1
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Default duty cycle for this laser and heatsink

how long do you think i could run this laser for in minutes. its at 300ma and has this heatsink in the picture, it is a 20x dvd ld
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duty cycle for this laser and heatsink-imgp2415.jpg  


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Old 12-25-2007, 11:29 PM #2
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Default Re: duty cycle for this laser and heatsink

20X LD is open can by my understandings.

depending on the snugness of fit of the heat sink, i would say a minute or two would be safe with a minute or two cooling off.
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Old 12-25-2007, 11:31 PM #3
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Default Re: duty cycle for this laser and heatsink

Well, power it up and see how long it takes for the heatsink to get up to around 140F.
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Old 12-26-2007, 12:30 AM #4
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Default Re: duty cycle for this laser and heatsink

ok thx is that the temperature that the ld should not go over?
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Old 12-26-2007, 04:55 AM #5
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Default Re: duty cycle for this laser and heatsink

70*C
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Old 12-30-2007, 04:58 AM #6
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Default Re: duty cycle for this laser and heatsink

I'm curious where you got that module. More importantly that lens. or the heatsink that goes with it.
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