Old 01-04-2011, 06:02 PM #1
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Question 1 ohm ressistor

Hey everyone, i was wondering where i could find a 1 ohm ressistor, i can't seem to find any and the one i do find only come in packs of like 100 when i only need one for my test load. Help me out?

Ryan


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Old 01-04-2011, 06:05 PM #2
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Default Re: 1 ohm ressistor

Local store? They usually have plenty
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Old 01-04-2011, 06:19 PM #3
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Default Re: 1 ohm ressistor

You can order them online from sites and distributors such as Digi key or Newark.

Electronic Components Distributor | DigiKey Corp. | US Home Page

US - Electronic Components Distributor | Newark.com
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Old 01-04-2011, 11:33 PM #4
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Default Re: 1 ohm ressistor

Yeah, your best bet is to search online.

There used to be a member here who would mail you 10 for the cost of shipping but he was
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Old 01-04-2011, 11:45 PM #5
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Default Re: 1 ohm ressistor

Guys, he should look at a local store first.. No point waiting for mail if you already can get them directly at a local electronics shop..
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Old 01-05-2011, 02:40 AM #6
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Default Re: 1 ohm ressistor

I don't think I've seen them in Radio Shack unless you buy an assortment of 500-something.
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Old 01-05-2011, 03:24 AM #7
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Default Re: 1 ohm ressistor

Quote:
Originally Posted by Kevlar View Post
Yeah, your best bet is to search online.

There used to be a member here who would mail you 10 for the cost of shipping but he was
For reasons still beyond me. This forum is not the same without Jerry. It's not the same at all anymore actually. Most of the old timers are no longer here.
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Old 01-05-2011, 04:22 AM #8
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Default Re: 1 ohm ressistor

Here's where I ordered my last batch. Though I used our wholesale account so they were a hair cheaper.

1 Ohm 5W Resistor | Parts-Express.com

They have 1% tolerance ones individually as well, but, the price increase is fairly steep over the 10% ones.

http://www.parts-express.com/pe/show...rtnumber=005-1
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Old 01-05-2011, 10:26 AM #9
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Default Re: 1 ohm ressistor

I could sent you a few for postage cost only. I have to wait for the complete E12 resistor serie coming from China. That is 8500 pieces of resistors

Maybe 2 resistor of 2Ohm in parallel for more load balancing or 3 of 3Ohm.
Just one 1Ohm resistor will get very hot at high current and the measurement is not reliaiable.
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Old 01-05-2011, 03:41 PM #10
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Default Re: 1 ohm ressistor

I've never had a 1 ohm 5W get warm. Setting driver current shouldn't really be something that you have to run the test load hours to do.
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Old 01-05-2011, 04:43 PM #11
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Default Re: 1 ohm ressistor

^Or need an accuracy of 0.001% for that matter.
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Old 01-05-2011, 05:40 PM #12
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Default Re: 1 ohm ressistor

I use 1/4Watt metal resistors.
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Old 01-07-2011, 01:51 PM #13
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Default Re: 1 ohm ressistor

^^^ Yeah me too. I don't need to measure for more than 4~5 seconds....
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