Return-Path: Received: from rly-mf05.mx.aol.com (rly-mf05.mail.aol.com [172.20.29.175]) by air-mf05.mail.aol.com (v121_r4.4) with ESMTP id MAILINMF053-960497a2f3f4; Fri, 23 Jan 2009 15:57:43 -0500 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by rly-mf05.mx.aol.com (v121_r4.4) with ESMTP id MAILRELAYINMF056-960497a2f3f4; Fri, 23 Jan 2009 15:57:37 -0500 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1LQT4q-0007jj-9e for rs_out_1@blacksheep.org; Fri, 23 Jan 2009 20:56:32 +0000 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1LQT4p-0007ja-MG for rsgb_lf_group@blacksheep.org; Fri, 23 Jan 2009 20:56:31 +0000 Received: from smtp-out-2.talktalk.net ([62.24.128.232] helo=smtp.talktalk.net) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1LQT4o-0002xM-Sn for rsgb_lf_group@blacksheep.org; Fri, 23 Jan 2009 20:56:31 +0000 X-Path: TTSMTP X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Av0EAC2+eUlOlqah/2dsb2JhbACEVsdghXM Received: from unknown (HELO mal769a60aa920) ([78.150.166.161]) by smtp.talktalk.net with SMTP; 23 Jan 2009 20:56:24 +0000 Message-ID: <00e501c97d9d$0d918d70$0301a8c0@mal769a60aa920> From: "mal hamilton" To: References: <002e01c97d73$3576f7f0$0301a8c0@mal769a60aa920> <006501c97d7b$3b80b570$0301a8c0@mal769a60aa920> Date: Fri, 23 Jan 2009 20:56:24 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2180 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 X-Karma: unknown: X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: Re: LF: Re: rectifiers Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=original Content-Transfer-Encoding: 7bit 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-IP: 193.82.116.20 Andy Have you used these diodes in a linear psu mal/g3kev ----- Original Message ----- From: "Andy Talbot" To: Sent: Friday, January 23, 2009 6:29 PM Subject: Re: LF: Re: rectifiers > Quite likely Schottky diodes. Much lower forward voltage drop - > typical 0.15 to 0.3V at rated current, and OK for fasr SMPSUs. > Reverse leakage can be very high. > > > Andy G4JNT > www.g4jnt.com > > > > 2009/1/23 mal hamilton : >> MF/LF >> For interest, nearly every diode that I have tested varies one from >> another >> even a matched batch. I suppose normally constructers just grab the >> required >> number for a project and start soldering. Perhaps its not that important >> as >> long as they are conducting in one direction and offer some resistance in >> the reverse direction. >> mal/g3kev >> >> >> ----- Original Message ----- >> From: mal hamilton >> To: rsgb >> Sent: Friday, January 23, 2009 3:56 PM >> Subject: LF: rectifiers >> I have found some rectifiers MBR 6045 and although these would do the >> job, I >> notice the FORWARD/REVERSE resistance is a lot lower than normal silicon >> high curent rectifiers. >> de mal/g3kev >> >> >> >> >> ________________________________ >> >> No virus found in this incoming message. >> Checked by AVG - http://www.avg.com >> Version: 8.0.176 / Virus Database: 270.10.12/1910 - Release Date: >> 1/22/2009 >> 6:28 PM >> > -------------------------------------------------------------------------------- No virus found in this incoming message. Checked by AVG - http://www.avg.com Version: 8.0.176 / Virus Database: 270.10.12/1910 - Release Date: 1/22/2009 6:28 PM