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5ohm 20watt resistor


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Hi guys!

well! i want a 5ohm-20watt power resisitor. First of all please tell me that whether this resistor is available , i mean that is this a standard resistor. And im having some problems finding this in the market. So please can anybody tell me some alternatives to this. I have heard from one of my friends that we can make a resistor according to our required resistance and wattage by using a coil wire by using the formula:


well! by this i can find a required resistance but how to find a coil of the required power. that is 20 watts.

ur early reply shall be highly appreciated./

take carez


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If you need exactly 5 Ohms (this one is 25 W) and surface mounting is ok here is an alternative: http://www.elfa.se/elfa-bin/setpage.pl?http://www.elfa.se/elfa-bin/dyndok.pl?lang=en&dok=1775.htm
If you can live with 4.7 Ohms (standard value) you have many options.

Hope this is helpful.

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It looks like they do not keep the search criteria in the link for very long at Digikey. Hmmm....I did not know it expired.
It is a Digikey part number HLWB-5.0-ND. It is a 5.0 OHM 5% 20W TUBULAR Wire Wound Resistor @ US$ 3.38 for qty 1.

Here is the datasheet from the manufacuter, Vishay.

Hope that is more helpful.


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