Return-Path: Received: from rly-md03.mx.aol.com (rly-md03.mail.aol.com [172.20.29.141]) by air-md05.mail.aol.com (v121_r4.4) with ESMTP id MAILINMD052-8f8497a079a131; Fri, 23 Jan 2009 13:08:35 -0500 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by rly-md03.mx.aol.com (v121_r4.4) with ESMTP id MAILRELAYINMD038-8f8497a079a131; Fri, 23 Jan 2009 13:08:30 -0500 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1LQQRo-0004l5-Vv for rs_out_1@blacksheep.org; Fri, 23 Jan 2009 18:08:04 +0000 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1LQQRo-0004kw-Jn for rsgb_lf_group@blacksheep.org; Fri, 23 Jan 2009 18:08:04 +0000 Received: from smtp800.mail.ird.yahoo.com ([217.146.188.60]) by relay1.thorcom.net with smtp (Exim 4.63) (envelope-from ) id 1LQQRo-0000AL-1k for rsgb_lf_group@blacksheep.org; Fri, 23 Jan 2009 18:08:04 +0000 Received: (qmail 26063 invoked from network); 23 Jan 2009 18:07:58 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=btopenworld.com; h=Received:X-YMail-OSG:X-Yahoo-Newman-Property:Message-ID:From:To:References:In-Reply-To:Subject:Date:MIME-Version:Content-Type:Content-Transfer-Encoding:X-Priority:X-MSMail-Priority:X-Mailer:X-MimeOLE; b=eaaJrwS6yUYh8TFawkucr3MUzwCRKJrSx95NZkSrPsuimmQbxFQhRQO/jCfKRUdw/0HJZepWE5/VTDKiaesQv9FEtSOMtave1tJlSMFfAoNFpjUMUJQF3nY02xTZ1ZDAJR1Ty4Goqkp7ZqihmkDEPmFMRDUbXDUbFi+mQgcR2Wo= ; Received: from unknown (HELO JimPC) (james.moritz@86.134.108.92 with login) by smtp800.mail.ird.yahoo.com with SMTP; 23 Jan 2009 18:07:57 -0000 X-YMail-OSG: wpSJo.wVM1krNuWYsFDsSHHjsKbE42EGGIYFR8lI16TU1uUTLoVn417Z8uEkGBZyF988wKLHecjrHYanML1w5NXXeAyHPVf0qlk2RlqnpBMDs3GDR1NTPx31N1BZxS_ASPt75yEl0tUsYeW_05wQ6u6Cg_vnZTRE5iJqYzaKEC2euCXOqHTo4x64KP.l X-Yahoo-Newman-Property: ymail-3 Message-ID: From: "James Moritz" To: References: <002e01c97d73$3576f7f0$0301a8c0@mal769a60aa920> <006501c97d7b$3b80b570$0301a8c0@mal769a60aa920> In-Reply-To: <006501c97d7b$3b80b570$0301a8c0@mal769a60aa920> Date: Fri, 23 Jan 2009 18:07:57 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Windows Mail 6.0.6001.18000 X-MimeOLE: Produced By Microsoft MimeOLE V6.0.6001.18049 X-Karma: unknown: DomainKey-Status: good (testing) X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: 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=0.1 required=5.0 tests=MISSING_OUTLOOK_NAME 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 Dear Mal, LF Group, The MBR6045 you have are Schottky types, which generally do have much higher reverse current than PN junction diodes, especially high current, large area ones. Diode matching is usually not very important in a rectifier, unless you are using series or parallel combinations of diodes. For a double balanced mixer, it is a different matter, though these probably are not the best kind of diodes for that... Cheers, Jim Moritz 73 de M0BMU