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Subject: Re: Looking for large variable resistor. capable of 25amp @14V
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Date: 04/07/02 at 7:30 PM
Posted by: Russ Kincaid
In Reply to: Looking for large variable resistor. capable of 25amp @14V posted by Andy Thomson on 04/07/02 at 9:34 AM:
The way to do this is to use a power MOSFET, driving the gate from a low power pot. The IRF540 or IRFP044 will handle the current. You will need to heat sink about 100 watts.
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