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What is a "MKS 2 / B=2,5, 100nF"?
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Chrometuna



Joined: Aug 14, 2006
Posts: 209
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PostPosted: Sun Oct 01, 2006 3:23 pm    Post subject: What is a "MKS 2 / B=2,5, 100nF"?
Subject description: Inhaled to much solder fumes, what is this thing?
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From Andrew Sharp's Strip-Board layout

The parts list includes these things:

C1 MKS 2 / B=2,5, 100nF
C4 MKS 2 / B=2,5, 20nF
C5 MKS 2 / B=2,5, 20nF

What IS an MKS 2 / B=2,5, ???

Brain is sometimes no can work.

Cheers
bob c
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fonik



Joined: Jun 07, 2006
Posts: 3950
Location: Germany
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PostPosted: Sun Oct 01, 2006 3:48 pm    Post subject: Re: What is a "MKS 2 / B=2,5, 100nF"?
Subject description: Inhaled to much solder fumes, what is this thing?
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Chrometuna wrote:
From Andrew Sharp's Strip-Board layout

The parts list includes these things:

C1 MKS 2 / B=2,5, 100nF
C4 MKS 2 / B=2,5, 20nF
C5 MKS 2 / B=2,5, 20nF

What IS an MKS 2 / B=2,5, ???

Brain is sometimes no can work.

Cheers
bob c


these are polyester film capacitors from WIMA (brand name), tolerance 20%, grid spacing 2,5mm (0.1 inch)

cheers,
matthias
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Chrometuna



Joined: Aug 14, 2006
Posts: 209
Location: Topeka
Audio files: 3

PostPosted: Sun Oct 01, 2006 6:45 pm    Post subject: Re: What is a "MKS 2 / B=2,5, 100nF"?
Subject description: Inhaled to much solder fumes, what is this thing?
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fonik wrote:
Chrometuna wrote:
From Andrew Sharp's Strip-Board layout

The parts list includes these things:

C1 MKS 2 / B=2,5, 100nF
C4 MKS 2 / B=2,5, 20nF
C5 MKS 2 / B=2,5, 20nF

What IS an MKS 2 / B=2,5, ???

Brain is sometimes no can work.

Cheers
bob c


these are polyester film capacitors from WIMA (brand name), tolerance 20%, grid spacing 2,5mm (0.1 inch)

cheers,
matthias


Thanks.
How critical is it that the caps match these criteria? Meaning, can any polyester cap of the same values work?
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fonik



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PostPosted: Sun Oct 01, 2006 10:31 pm    Post subject: Reply with quote  Mark this post and the followings unread

yep, +/-20% tolerance aren't that good anyway!
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Uncle Krunkus
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PostPosted: Mon Oct 02, 2006 8:43 am    Post subject: Reply with quote  Mark this post and the followings unread

Yeah,
Sorry about that. That part list I gave to Ray is not very helpful. It's the one spat out by the stripboard software I use. I should have just said that the designators are the same as Ray's Schem, but that was back when I was very Noob! Laughing (the B=2,5 is the lead spacing! Rolling Eyes )
Any 100nF polyester cap would do fine.

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fonik



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PostPosted: Mon Oct 02, 2006 10:13 am    Post subject: Reply with quote  Mark this post and the followings unread

Uncle Krunkus wrote:
the B=2,5 is the lead spacing!


Embarassed that's what i meant though i didn't say it (unfortunately i'm not a native speaker)

cheers,
matthias
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Chrometuna



Joined: Aug 14, 2006
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PostPosted: Mon Oct 02, 2006 10:44 am    Post subject: Reply with quote  Mark this post and the followings unread

fonik wrote:
Uncle Krunkus wrote:
the B=2,5 is the lead spacing!


Embarassed that's what i meant though i didn't say it (unfortunately i'm not a native speaker)

cheers,
matthias


So does it absolutly HAVE to be a polyester cap?

I still dont know what the real difference between ceramic, poly, or whatever cops are.
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sneakthief



Joined: Jul 24, 2006
Posts: 569
Location: Berlin

PostPosted: Mon Oct 02, 2006 2:34 pm    Post subject: Reply with quote  Mark this post and the followings unread

You should read this capacitor tutorial:

http://www.uoguelph.ca/~antoon/gadgets/caps/caps.html\

Cheers,
michel

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fonik



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PostPosted: Mon Oct 02, 2006 3:03 pm    Post subject: Reply with quote  Mark this post and the followings unread

Chrometuna wrote:
So does it absolutly HAVE to be a polyester cap?


no, it doesn't. a regular ceramic cap will do... (as ray mentions caramic caps for all non polarized caps in his bill of materials).

cheers,
matthias
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Uncle Krunkus
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PostPosted: Mon Oct 02, 2006 4:29 pm    Post subject: Reply with quote  Mark this post and the followings unread

Yeah ceramic is fine.
The only reason I forgot to mention them is 'cos I forgot they go up that high.
Unless temp stability or tolerance is critical;
most cap types are chosen for the values possible for that type, the voltage rating, their size, and cost. Generally, if it has the right value, is polarised or not, and fits where you want to put it, it will be fine.

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