Linear temperature fan control

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bryan

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Looking for a linear temperature fan control schematic for a 12 v fan. Lot's of PWM schematics out there but not what I want to use.
 
It is not particularly linear, but if you want the fan to run faster when the temperature rises, put a thermister in series. You can buy fans with this built in.
 
Russlk said:
It is not particularly linear, but if you want the fan to run faster when the temperature rises, put a thermister in series. You can buy fans with this built in.
Click to expand...

Make sure its a NTC thermistor :wink:
 
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