

| Subject: | Re: Re- corrections on capa |
| From: | Harvey Chao |
| Date: | 29 Jan 1997 12:43:29 -0800 |
Subject:
RE>>Re: corrections on capacitor
fixI
Time: 12:33 PM Date:
1/29/97
Ken Lewis wrote: "The polarity should not matter with a tantalum capacitor.
By definition they are un-polarized. Only with regular electrolytic
capacitors do you
have to watch the + and -."
Except for special non-polorized electrolytics used in audio applications,
or perhaps for very low value (under 1 microfarad) I believe that ALL
tantalum capacitors ARE polarized, and that it is necessary to pay attention
to polarity upon installation. Remember that polarity is relative -- i.e.
the "+" terminal goes to a wire whose voltage is higher than the wire that
the "-" terminal goes to, it doesn't necessarily have to be ground, just
lower than the "+" wire (IN TERMS OF POLARITY, NOT WHETHER OR NOT YOU, FOR
WHATEVER REASON, HAVE SELECTED THE RIGHT TWO TERMINALS THAT YOU WANT TO HOOK
UP TO !!!)
HARVEY
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