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Old 11-30-2010, 09:56 PM #17
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Default Re: need lab style heat sink that accepts aixiz module

TEC draws 1.66A @ 5V while diode is drawing 1A @ 6V


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Old 11-30-2010, 10:44 PM #18
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Default Re: need lab style heat sink that accepts aixiz module

point being that at 1000mw you do not need a tec. i am making a scanner and passive cooling will be more than adequate.

BUT i understand this is how you want it. so good luck.
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Old 12-01-2010, 03:40 PM #19
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Default Re: need lab style heat sink that accepts aixiz module

Where does the aixiz module temperature settle down at those currents?
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Old 12-01-2010, 08:56 PM #20
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Default Re: need lab style heat sink that accepts aixiz module

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Where does the aixiz module temperature settle down at those currents?
about 40 deg F on cpu fan
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Old 12-01-2010, 09:09 PM #21
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Default Re: need lab style heat sink that accepts aixiz module

40F? Below room temperature? Did you mean Celcius? 40C is the normal operating temperature for those diodes anyway.
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Old 12-01-2010, 09:22 PM #22
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Default Re: need lab style heat sink that accepts aixiz module

40F is very possible with a TEC, I don't see it with the TEC only pulling 1.6A though...
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Old 12-02-2010, 01:39 AM #23
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Default Re: need lab style heat sink that accepts aixiz module

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Originally Posted by Pontiacg5 View Post
40F is very possible with a TEC, I don't see it with the TEC only pulling 1.6A though...
It could be that his heatsink is already sufficient, and he's not sure exactly what constitutes reasonable heat conditions.
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Old 12-02-2010, 01:55 AM #24
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Default Re: need lab style heat sink that accepts aixiz module

Its a design choice really.

Most people opt to use TEC to keep the diode at or slightly below room temperature... but it could be used to cool a diode far below if you take precautions against condensation/frost and such.
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