Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by klubnl.pl (8.14.4/8.14.4/Debian-8+deb8u2) with ESMTP id w8KFGt0J005327 for ; Thu, 20 Sep 2018 17:16:58 +0200 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1g30Te-0004VE-Pd for rs_out_1@blacksheep.org; Thu, 20 Sep 2018 16:02:46 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1g30Tc-0004V5-Nq for rsgb_lf_group@blacksheep.org; Thu, 20 Sep 2018 16:02:44 +0100 Received: from smtp-out-2.talktalk.net ([62.24.135.66]) by relay1.thorcom.net with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.91_59-0488984) (envelope-from ) id 1g30Ta-0005Wf-TM for rsgb_lf_group@blacksheep.org; Thu, 20 Sep 2018 16:02:43 +0100 Received: from mal ([79.69.133.251]) by smtp.talktalk.net with SMTP id 30TXgE1HVVlGZ30TXgHogn; Thu, 20 Sep 2018 16:02:40 +0100 X-DKIM-Result: Domain=talktalk.net Result=Signature OK DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=talktalk.net; s=cmr1711; t=1537455760; bh=p+K6EOo8RUmsi9xD3dPvQc2migMP+WLcDob1/8lTmI4=; h=From:To:References:In-Reply-To:Subject:Date; b=bEEyAwq8nkfxwDERwVevDN/1t5ASE7UgjKBCZ9nfKS8x+P0ttBhyhZnzaIf+BmaWX f4qrxhVatUqPYWb7iSVAI/4/lMSMT7sbmkQtXI44+CbD5dlugA4tQK7f5C0SGiCwIA DtBPny9Aq58J/N/kfuTWVfIO1NvSVYGBJA0UBCEs= X-Originating-IP: [79.69.133.251] X-Spam: 0 X-OAuthority: v=2.3 cv=JcuSU3CV c=1 sm=1 tr=0 a=qnylMyfBFOqhtNdCjFDDBw==:117 a=qnylMyfBFOqhtNdCjFDDBw==:17 a=8nJEP1OIZ-IA:10 a=lAiCvNETAAAA:8 a=pGLkceISAAAA:8 a=MSaeW5c8TFHOeEBkHv0A:9 a=wPNLvfGTeEIA:10 a=qvpwSYz13qjZuk0A6Wuf:22 Message-ID: From: To: References: <1402307201.20180918094016@gmail.com> <31f7c601-0496-7a6a-144e-86e7e3eaff0c@n1bug.com> <1405681597.20180918113832@gmail.com> <19864612.20180918121009@gmail.com> <9cfaf19b-3c17-31a4-c253-3d39018c616e@n1bug.com> <84266593.20180918144032@gmail.com> <6a3c36b4-95b8-5ca6-eef8-cdf433f01dcb@n1bug.com> <1683505786.20180918153216@gmail.com> In-Reply-To: <1683505786.20180918153216@gmail.com> Date: Thu, 20 Sep 2018 16:02:38 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal Importance: Normal X-Mailer: Microsoft Windows Live Mail 16.4.3528.331 X-MimeOLE: Produced By Microsoft MimeOLE V16.4.3528.331 X-CMAE-Envelope: MS4wfEJCfMeg7s4YEvdWxxXRF2p5PQHQm/I3AaGLXqUJFFbGfmnWpIWm7nAQBNb2xPQtjVyh1uwrWO3FZCseT5b3J7zJSmSU4oxoZ/rD53pzAOsuX6dsF8+d r2xCfs4yGiw3928Wtl5qXrdtwKxbIhuvVgyv4EJ8D5xEFlh+Zksms8/z X-Spam-Score: 0.2 (/) X-Spam-Report: Spam detection software, running on the system "relay1.thorcom.net", has NOT identified this incoming email as spam. The original message has been attached to this so you can view it or label similar future email. If you have any questions, see @@CONTACT_ADDRESS@@ for details. Content preview: Consider FET type MRFE6VP61K25H DE MAL/G3KEV [...] Content analysis details: (0.2 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [62.24.135.66 listed in list.dnswl.org] 0.2 STOX_REPLY_TYPE No description available. -0.0 SPF_PASS SPF: sender matches SPF record -0.0 T_RP_MATCHES_RCVD Envelope sender domain matches handover relay domain 0.0 T_DKIM_INVALID DKIM-Signature header exists but is not valid X-Scan-Signature: 1708620d3ce65bee0beaaede7929769a Subject: LF: Re: And again! 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=0.4 required=5.0 tests=MISSING_OUTLOOK_NAME, NO_REAL_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 Consider FET type MRFE6VP61K25H DE MAL/G3KEV -----Original Message----- From: Chris Wilson Sent: Tuesday, September 18, 2018 3:32 PM To: N1BUG Subject: Re: LF: Re: And again! Hello Paul, Yes I use the still available 32N20 devices, but so long as you watch the input capacitance you should be able to substitute quite a few others. I was given a load of these, which are kind of nice and work superbly : https://www.wolfspeed.com/media/downloads/176/C3M0065090D.pdf Tuesday, September 18, 2018, 3:08:35 PM, you wrote: > Interesting. It remains to be seen how many FET deaths will occur > here. Perhaps running them at 36V maximum (summer) will help them > survive less than ideal operating conditions. I was a bit worried > about the 34N20 no longer being available in the large package but > if I am not mistaken you had been able to use 32N20 as a substitute. > Presently I have no spares which is a situation deserving of attention. > Paul -- Best regards, Chris mailto:dead.fets@gmail.com