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SMD 1 percent resistor markings - aide memoire?

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N_Cook

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Jan 3, 2011, 9:49:59 AM1/3/11
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Confronted by resistor marking 75B translates as 5K9, anyone have an
approximate ie 10 percent conversion technique?
to avoid table lookup, eg
http://talkingelectronics.com/projects/ResistorsMadeEasy/SMD-Resistors-EIA-M
arkings.html


N_Cook

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Jan 4, 2011, 3:30:25 AM1/4/11
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N_Cook <div...@tcp.co.uk> wrote in message
news:ifsnqf$f3i$1...@news.eternal-september.org...

add 100 to the 0. ones
100 up to 800 multiply number by 7
add 100 to 8. and 9.
(I always confuse grey and white designations anyway)

A suffix =x1 ..... E= x10000 is straightforward
S for (S)ilver /100
R for o(R) for gold for /10
for the multipliers is the best I could come up with


N_Cook

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Jan 4, 2011, 3:32:30 AM1/4/11
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for

add 100 to 8. and 9.

read
add 100 to 8. and 9. ones after multiplying by 7


Franc Zabkar

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Jan 4, 2011, 4:25:21 PM1/4/11
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On Mon, 3 Jan 2011 14:49:59 -0000, "N_Cook" <div...@tcp.co.uk> put
finger to keyboard and composed:

How about ...

100 x 10^(nn / 100)

- Franc Zabkar
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Please remove one 'i' from my address when replying by email.

N_Cook

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Jan 5, 2011, 3:26:29 AM1/5/11
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Franc Zabkar <fza...@iinternode.on.net> wrote in message
news:et37i6thkakacbnba...@4ax.com...


I don't have a brain the size of a planet, mentally multiplying and adding
integres
is about my limit.


Franc Zabkar

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Jan 5, 2011, 4:30:28 PM1/5/11
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On Wed, 5 Jan 2011 08:26:29 -0000, "N_Cook" <div...@tcp.co.uk> put

finger to keyboard and composed:

>Franc Zabkar <fza...@iinternode.on.net> wrote in message
>news:et37i6thkakacbnba...@4ax.com...
>> On Mon, 3 Jan 2011 14:49:59 -0000, "N_Cook" <div...@tcp.co.uk> put
>> finger to keyboard and composed:
>>
>> >Confronted by resistor marking 75B translates as 5K9, anyone have an
>> >approximate ie 10 percent conversion technique?
>> >to avoid table lookup, eg
>>
>>http://talkingelectronics.com/projects/ResistorsMadeEasy/SMD-Resistors-EIA-
>Markings.html
>>
>> How about ...
>>
>> 100 x 10^(nn / 100)
>>
>> - Franc Zabkar

>


>I don't have a brain the size of a planet, mentally multiplying and adding
>integres
>is about my limit.

I would think that most people would have a calculator handy in their
workshop. Alternatively, why not just print out the chart, laminate
it, and hang it on your wall?

Michael A. Terrell

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Jan 6, 2011, 7:56:17 PM1/6/11
to

Franc Zabkar wrote:
>
> N_Cook wrote:
>
> ?I don't have a brain the size of a planet, mentally multiplying and adding
> ?integers is about my limit.

>
> I would think that most people would have a calculator handy in their
> workshop. Alternatively, why not just print out the chart, laminate
> it, and hang it on your wall?


Then he would have one less thing to complain about. ;-)


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