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June 2002

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Subject:	Re: Spark Caps
From:	David Ricketts <[log in to unmask]>
Reply To:	[log in to unmask]
Date:	Wed, 26 Jun 2002 14:29:14 -0700
Content-Type:	text/plain
Parts/Attachments:	text/plain (56 lines)

I am thinking you mean spark gaps. I would recommend against them. While the
breakdown voltage can be predicted by formula, the reality is that
contaminates and the like will alter that voltage a lot. Plus, they will
only work once, and having a PCB actually generate a spark is not the best
idea in many circumstances. You will get better and more reliable circuit
protection with transorbs and gas discharge tubes.

David Ricketts

Pertek Engineering
Voice: 949-475-4485
Fax:   949-475-4493

---Original Message-----
From: DesignerCouncil [mailto:[log in to unmask]]On Behalf Of Mary
Knouse
Sent: Wednesday, June 26, 2002 1:11 PM
To: [log in to unmask]
Subject: [DC] Spark Caps


I would like some information regarding spark caps, and how to design the
pad layout, they are to be rectangle with a saw tooth end on one side, 2
pads. Any help would be appreciated.
Thanks,

Mary Knouse, C.I.D.
PCB Designer
SymCom, Inc.

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