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  1. 12-07-2018, 06:24 AM #1
    curious aardvark
    curious aardvark is offline
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    200x300 is a pretty big bed. you could try fitting a fan on the mosfet heatsink.
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  2. 12-08-2018, 09:00 AM #2
    vikovarga
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    It is big but the original mosfet which is on the Ramps 1.4 without a heatsink and with a higher RDS(on) resistance doesn't get hot after hours of working... So there must be something wrong which a fan wouldn't solve. But thank you for your suggestion.
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