Return-Path: Received: from mtain-ma05.r1000.mx.aol.com (mtain-ma05.r1000.mx.aol.com [172.29.96.13]) by air-mc02.mail.aol.com (v129.4) with ESMTP id MAILINMC022-a8d44d2b872b1b4; Mon, 10 Jan 2011 17:24:43 -0500 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-ma05.r1000.mx.aol.com (Internet Inbound) with ESMTP id 8AF1D380000F7; Mon, 10 Jan 2011 17:24:41 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1PcQ9I-0005UJ-0m for rs_out_1@blacksheep.org; Mon, 10 Jan 2011 22:23:36 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1PcQ9H-0005UA-Hw for rsgb_lf_group@blacksheep.org; Mon, 10 Jan 2011 22:23:35 +0000 Received: from fish2.hurontel.on.ca ([216.46.129.163]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1PcQ9E-0002yL-RB for rsgb_lf_group@blacksheep.org; Mon, 10 Jan 2011 22:23:35 +0000 X-ASG-Debug-ID: 1294698204-39cccc740001-a32kfu Received: from pppoe.dyn-67.220.42.207.hurontel.on.ca (pppoe.dyn-67.220.42.207.hurontel.on.ca [67.220.42.207]) by fish2.hurontel.on.ca with ESMTP id ouNLevkjWUIFaWhU for ; Mon, 10 Jan 2011 17:23:25 -0500 (EST) X-Barracuda-Envelope-From: weazle@hurontel.on.ca X-Barracuda-Apparent-Source-IP: 67.220.42.207 Mime-Version: 1.0 (Apple Message framework v1082) From: John Bruce McCreath X-ASG-Orig-Subj: Re: LF: Re: Capacitor warning and First 500kHz Class E breadboard In-Reply-To: <4D2B7E3A.5020403@iup.uni-heidelberg.de> Date: Mon, 10 Jan 2011 17:23:24 -0500 Message-Id: References: <004701cbb0d8$25d56e40$0401a8c0@xphd97xgq27nyf> <4D2B7E3A.5020403@iup.uni-heidelberg.de> To: rsgb_lf_group@blacksheep.org X-Mailer: Apple Mail (2.1082) X-Barracuda-Connect: pppoe.dyn-67.220.42.207.hurontel.on.ca[67.220.42.207] X-Barracuda-Start-Time: 1294698204 X-Barracuda-URL: http://fish.hurontel.on.ca:8000/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at hurontel.on.ca X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using global scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=5.0 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.2.52010 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Content-Type: text/plain; charset=us-ascii Subject: Re: LF: Re: Capacitor warning and First 500kHz Class E breadboard Content-Transfer-Encoding: quoted-printable X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G x-aol-sid: 3039ac1d600d4d2b87291e30 X-AOL-IP: 195.171.43.25 Hi Andy, LFers, I'll second Stefan's recommendation of the WIMA FKP-1 caps. They are what= I use in my 3 KVA Tesla coil and can take the harsh treatment just fine. A series-parallel array of 96= of them gave me both the capacity and the voltage rating that I needed. The coil is powered by a 14.4 KV po= wer distribution transformer, or what we here in Canada refer to as a "POLE PIG" and it operates at about= 260 kHz. 73, J.B., VE3EAR LowFER Beacon "EAR" 188.830 kHz. QRSS30 EN93dr