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 Forum index » DIY Hardware and Software
Resistors
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slo



Joined: Feb 18, 2007
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PostPosted: Thu Aug 16, 2007 7:02 am    Post subject: Resistors Reply with quote  Mark this post and the followings unread

I've got bags and bags of 5% resistors left from my old building days. Now I've renewed my hobby (thanks to electro-music) I wonder if these are useable now or frowned upon. The pictures of new boards I look at seem to use a lot of 1% resistors. I would assume the 1/4 watt resistors I have are still good after 20years, so I see no real reason to chuck 'em.
What do you guys thinks, is 1% the standard these days?
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etaoin



Joined: Jun 30, 2005
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PostPosted: Thu Aug 16, 2007 7:17 am    Post subject: Reply with quote  Mark this post and the followings unread

You see a lot of 1% since 1% is sometimes necessary and as there is little price difference these days, most people (like me) only stock 1%.

But your 5% should be fine for most things where no 1% is specified.

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fonik



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PostPosted: Thu Aug 16, 2007 8:43 am    Post subject: Reply with quote  Mark this post and the followings unread

we see 1% resistors more and more because they became cheaper and cheaper. i have no reason to buy 5% anymore.
at the shop i usually buy i will have to pay 2.50EUR for a batch of 100 metalfilm 1%. that's okay for me.
BTW they are rated for 1/2W nowadays... (my dealer still labels them as 1/4W though!)

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Clack



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PostPosted: Thu Aug 16, 2007 8:56 am    Post subject: Reply with quote  Mark this post and the followings unread

fonik wrote:

BTW they are rated for 1/2W nowadays... (my dealer still labels them as 1/4W though!)


Really? I buy 1/4 watt from rapid (http://www.rapidonline.com/) and they also have 1/2w but does that mean my 1/4w ones will be safe upto 1/2w?

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fonik



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PostPosted: Thu Aug 16, 2007 9:39 am    Post subject: Reply with quote  Mark this post and the followings unread

i was not clear, sorry. i was talking about the resistors i buy at this shop. they look like 1/4W, pretty small. got the info from the datasheet.
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goodrevdoc



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PostPosted: Thu Aug 16, 2007 6:40 pm    Post subject: Reply with quote  Mark this post and the followings unread

I buy 1% now, because of little diference in price. But I've not noticed much improvement in noise, etc. I still use the 5% I have cuz their still good to me.
-justin
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goldenechos



Joined: Jun 06, 2007
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PostPosted: Thu Aug 16, 2007 6:58 pm    Post subject: Reply with quote  Mark this post and the followings unread

I use 5% all the time. I sometimes even use 5% when 1% are specified, I just ohm them out to make sure I am within range... I can usually find what I need in 3 tries.

Don't throw away those resistors... give them away if nothing else.

TR
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slo



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PostPosted: Fri Aug 17, 2007 6:47 am    Post subject: Reply with quote  Mark this post and the followings unread

Thanks for the replies. I will keep my resistors. Future ones I buy will be 1%. I usually measure them anyway just to make sure, I never did learn the resistor code!
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blue hell
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PostPosted: Fri Aug 17, 2007 7:02 am    Post subject: Reply with quote  Mark this post and the followings unread

slo wrote:
I never did learn the resistor code!


It's like a rainbow and then three extra ... you did learn about that one I hope and the pot of gold and so on? Laughing

Ah well, measuring might even be quicker, especially when the arms get shorter with age Wink

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also .. could someone please turn down the thermostat a bit.
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