Return-Path: Received: from rly-dd08.mx.aol.com (rly-dd08.mail.aol.com [172.19.141.155]) by air-dd05.mail.aol.com (v126.13) with ESMTP id MAILINDD052-b964b196fc9204; Fri, 04 Dec 2009 15:23:48 -0500 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by rly-dd08.mx.aol.com (v125.7) with ESMTP id MAILRELAYINDD088-b964b196fc9204; Fri, 04 Dec 2009 15:23:38 -0500 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1NGefj-00023P-6I for rs_out_1@blacksheep.org; Fri, 04 Dec 2009 20:22:35 +0000 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1NGefi-00023G-9y for rsgb_lf_group@blacksheep.org; Fri, 04 Dec 2009 20:22:34 +0000 Received: from n62.bullet.mail.sp1.yahoo.com ([98.136.44.35]) by relay1.thorcom.net with smtp (Exim 4.63) (envelope-from ) id 1NGefh-0007Hp-TE for rsgb_lf_group@blacksheep.org; Fri, 04 Dec 2009 20:22:34 +0000 Received: from [69.147.84.145] by n62.bullet.mail.sp1.yahoo.com with NNFMP; 04 Dec 2009 20:22:26 -0000 Received: from [68.142.200.224] by t8.bullet.mail.sp1.yahoo.com with NNFMP; 04 Dec 2009 20:22:26 -0000 Received: from [68.142.201.241] by t5.bullet.mud.yahoo.com with NNFMP; 04 Dec 2009 20:22:26 -0000 Received: from [127.0.0.1] by omp402.mail.mud.yahoo.com with NNFMP; 04 Dec 2009 20:22:26 -0000 X-Yahoo-Newman-Id: 269241.57037.bm@omp402.mail.mud.yahoo.com Received: (qmail 6472 invoked from network); 4 Dec 2009 20:22:26 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=btinternet.com; h=Received:X-Yahoo-SMTP:X-YMail-OSG:X-Yahoo-Newman-Property:Message-ID:From:To:References:Subject:Date:MIME-Version:Content-Type:X-Priority:X-MSMail-Priority:X-Mailer:X-MimeOLE; b=a4LnBWFCoVf6RMQg9+Y6E61qpZmVl+JLElp66Ikjaz0kG7vDEYZLKJwj/ad8Eq/8H/3OLroJXNieUyOiGjbJFgf7YtuiWQov+DN6zhPyEzAVnOZiCgYl+w1Nnh/u1tbAEPT4bgc11jnt1PggUdtToXGozbc+JkmCcQSTP4D1QzE= ; Received: from host81-129-214-4.range81-129.btcentralplus.com (ken.h.wright@81.129.214.4 with login) by smtp129.mail.mud.yahoo.com with SMTP; 04 Dec 2009 12:22:25 -0800 PST X-Yahoo-SMTP: 9Y6mUHuswBAgnrOsukIiNdFDf95uy_Dz34nY1hlg2liKgYD952sjbg-- X-YMail-OSG: t6u7wEgVM1lx2dQTuYDCr7YdfS6Nkzg_xzXuppbn9YZLV938RXUMhOg._l1_pm0fhJOsFMgd_dDBrozX1ZUIOjeb96Q82L_fWksqYaleaSQLGEwazjggvDzW1.SgJmg1CSAaKu13lhuYCr.Pe2rXwKOGbBW24YJnmLxP91Md8iXqXgMlBZ2ZMvCj8SthPL7NPdnXIVy4t5v7ig5gaXbLXtC2o7BkoNZ09MHvqs6doCtfOKgfAHZqYxlrV2mIOh5OX8ooBqGaqZqwzMFPr9qrufnr59E5HdmUD4YsQo3LH_Tu5la8XNHETSQWF0_xOWfeokdN28wxhJFiGcWLU1REY5sb_Rw- X-Yahoo-Newman-Property: ymail-3 Message-ID: <778502A52141494DA85FD6F121E71A01@lindavideo> From: "Ken" To: References: <000a01ca74ff$163eb010$0401a8c0@xphd97xgq27nyf> Date: Fri, 4 Dec 2009 20:22:21 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.5843 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5579 DomainKey-Status: good (testing) Subject: LF: Re: FUSE TEST Content-Type: multipart/alternative; boundary="----=_NextPart_000_0010_01CA751F.7BF63750" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: ** X-Spam-Status: No, hits=2.1 required=5.0 tests=FORGED_MUA_OUTLOOK,HTML_40_50, HTML_MESSAGE 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 ------=_NextPart_000_0010_01CA751F.7BF63750 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable The ceramic fuses in 13A plug tops usually have a 100% overload capabi= liy, this was also the case for some of the BT fuses. Ken de M0KHW ----- Original Message -----=20 From: mal hamilton=20 To: rsgb=20 Sent: Friday, December 04, 2009 4:30 PM Subject: LF: FUSE TEST Has anyone tested the ACTUAL blow current for fuses eg 5A 10A 30A.. I often do not have fuses at the correct value and FUSE down only to= find that I can run them at considerably higher amps than rated eg 30= A fuses at 50A and they fail to blow. This is intermittent use say 30%= - 50% in psu's used for CW and QRS3 normally in FET AMPS This is normal fuse wire bought wrapped on card. It looks like your PA fets could be in trouble under certain circums= tances. de mal/g3kev ------=_NextPart_000_0010_01CA751F.7BF63750 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
The ceramic fuses in 13A plug tops us= ually have a=20 100% overload capabiliy, this was also the case for some of the BT=20 fuses.
 
Ken
de M0KHW
----- Original Message -----
From:=20 mal=20 hamilton
To: rsgb
Sent: Friday, December 04, 20= 09 4:30=20 PM
Subject: LF: FUSE TEST

Has anyone tested the ACTUAL blow= current for=20 fuses eg 5A 10A 30A..
I often do not have fuses at the co= rrect value=20 and FUSE down only to find that I can run them at considerably highe= r amps=20 than rated eg 30A fuses at 50A and they fail to blow. This is interm= ittent use=20 say 30% - 50% in psu's used for CW and QRS3 normally in FET AMPS
This is normal fuse wire bought wra= pped on=20 card.
It looks like your PA fets could be= in trouble=20 under certain circumstances.
 
de mal/g3kev
 
 
 
 
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