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22000 MF Capacitor

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Tommy Walker

Joined: 12 Jan 2006
Posts: 442
Location: Anniston, AL 36207

Posted: Sat Jul 01, 2006 1:18 pm Post subject: 22000 MF Capacitor

Gents,



I'm wiring my Rotax 912 and I have the above capacitor.  I can't understand

the markings on the two terminals.  one of the terminals has a dab of black

paint on it and the other is clear.  Can someone tell me what the polarity

of these two terminals is/are?



Many thanks,



Tommy Walker in Alabama



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_________________
Tommy Walker
N25A - Anniston, AL

p.mulwitz(at)worldnet.att
Guest

Posted: Sat Jul 01, 2006 2:27 pm Post subject: 22000 MF Capacitor

Hi Tommy,



A capacitor that large is usually polarized.  That means you need to 

attach the "Plus" contact of the capacitor to the "Plus" side of your 

electrical hookup.



I can't tell from your description which contact is the 

"Plus".  Perhaps if you sent me a picture I could tell.  There are 

many different ways of marking those parts.  One popular way is to 

have a line of dashes or "Minus signs"  printed on the plastic sleeve 

around the barrel of the part.



It may be that the painted terminal is the plus side, but I can't be 

sure.  I would have more confidence if it were red rather than black.



If you can send me a picture I will be glad to look at it.  I need to 

see both the top and side views including perhaps all sides.



Good luck,



Paul



At 02:14 PM 7/1/2006, you wrote:

 	  Quote: 	
		  



Gents,



I'm wiring my Rotax 912 and I have the above capacitor.  I can't understand

the markings on the two terminals.  one of the terminals has a dab of black

paint on it and the other is clear.  Can someone tell me what the polarity

of these two terminals is/are?



Many thanks,



Tommy Walker in Alabama



Do Not archive






	


---------------------------------------------

Paul Mulwitz

32013 NE Dial Road

Camas, WA 98607

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Tommy Walker

Joined: 12 Jan 2006
Posts: 442
Location: Anniston, AL 36207

Posted: Sat Jul 01, 2006 4:03 pm Post subject: 22000 MF Capacitor

Paul,



Thanks to you and Doug, I found the "minus side" of the capacitor and I'm

good to go.



I am indebted to the kind folks on this list.



Tommy



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_________________
Tommy Walker
N25A - Anniston, AL

noelloveys(at)yahoo.ca
Guest

Posted: Mon Jul 03, 2006 6:33 am Post subject: 22000 MF Capacitor

Wiring a nice heavy lytic cap like that in reverse polarity will eventually

result in a big bang.  The higher the voltage and current fed into the cap

in reverse polarity, the faster you will hear the bang.



Noel



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