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Re: [Amps] 47 Ohm 5 watt

Subject: Re: [Amps] 47 Ohm 5 watt
From: Manfred Mornhinweg <>
Date: Wed, 08 Aug 2018 16:50:37 +0000
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I hope someone has in their parts box. (2) 5 Watt 47 ohm non inductive resistors.

Actually I do have a few, apparently metal oxide, but shipping them to you would cost more and take much longer than if you buy them...

Maybe you can use this one:

It's 10W, but still small enough and not too expensive. You can either bolt it to the chassis, or on a little aluminium sheet that acts as heatsink, shaped and bent to fit the space you have. These resistors have lower inductance than old-style "non-inductive" ones, due to their smaller size. Of course you destroy that advantage if you have to use long wires to connect them...

Or you can assemble them from several 2W film resistors of properly chosen values, combined in parallel. Those are very common and inexpensive. Or use a bunch of even smaller resistors.


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