Cap Polarity in DACKit

jonclancy · 22nd November 2003, 12:47 PM

Hi,

Just a quick (and probably daft) question:

I am in the process of constructing my DACKit. The 0.01 FKP2 and 0.047 MKS2 Wima caps I am using have the marking "63-" on the body. Does the "-" refer to the polarity of the cap?

I am trying to ensure that I don't install them backwards!!

Any hints well appreciated - the datasheets didn't really help in this case, and search wasn't that helpful either!

Thanks!

Jon

bigparsnip · 22nd November 2003, 12:51 PM

Film caps generaly aren't polar, so you can stick them in any way round and it shouldn't make any difference.

jonclancy · 22nd November 2003, 12:58 PM

....that was probably the quickest reply ever!!!

Right, I'm off to get them soldered in before the Missus gets home!!

Thanks!

Jon

Andypairo · 22nd November 2003, 01:34 PM

The "-" means "DC" (so 63V- means that the dielectric can stand 63V maximum).

the "~" instead means "AC" and is the maximum rms ac voltage usable with that cap.

Cheers

Andrea

jonclancy · 22nd November 2003, 05:36 PM

Cheers for that - an important point Andrea,

I've got the caps in, and am awaiting my Black Gates and hook up wire from AD - then it's all systems GO!!!!!!

I must admit that I have learnded masses already, and there's a million miles more to go on my audio journey!!

Jon

22nd November 2003, 12:47 PM	#1
jonclancy diyAudio Member Join Date: Oct 2002 Location: UK	Cap Polarity in DACKit Hi, Just a quick (and probably daft) question: I am in the process of constructing my DACKit. The 0.01 FKP2 and 0.047 MKS2 Wima caps I am using have the marking "63-" on the body. Does the "-" refer to the polarity of the cap? I am trying to ensure that I don't install them backwards!! Any hints well appreciated - the datasheets didn't really help in this case, and search wasn't that helpful either! Thanks! Jon

22nd November 2003, 12:58 PM	#3
jonclancy diyAudio Member Join Date: Oct 2002 Location: UK	Wow! ....that was probably the quickest reply ever!!! Right, I'm off to get them soldered in before the Missus gets home!! Thanks! Jon

22nd November 2003, 05:36 PM	#5
jonclancy diyAudio Member Join Date: Oct 2002 Location: UK	A learning day...... Cheers for that - an important point Andrea, I've got the caps in, and am awaiting my Black Gates and hook up wire from AD - then it's all systems GO!!!!!! I must admit that I have learnded masses already, and there's a million miles more to go on my audio journey!! Jon

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22nd November 2003, 12:51 PM	#2
bigparsnip diyAudio Member Join Date: Apr 2003 Location: Cambridge	Film caps generaly aren't polar, so you can stick them in any way round and it shouldn't make any difference.

22nd November 2003, 01:34 PM	#4
Andypairo diyAudio Member Join Date: Sep 2002 Location: near Milano , Italy	The "-" means "DC" (so 63V- means that the dielectric can stand 63V maximum). the "~" instead means "AC" and is the maximum rms ac voltage usable with that cap. Cheers Andrea

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