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Article #1065Re: Melted Connector
From: langwadt
Date: Fri, 17 Apr 2009 23:56
Date: Fri, 17 Apr 2009 23:56
28 lines
2370 bytes
2370 bytes
On 17 Apr., 18:26, "TTman" <someone...@ntlworld.com> wrote: > "linnix" <m...@linnix.info-for.us> wrote in message > > news:93f44a0f-b169-49ac-b11f-65b2c621325c@d19g2000prh.googlegroups.com... > On Apr 17, 6:21 am, "David L. Jones" <altz...@gmail.com> wrote: > > > Here is what happens when you try and reflow cheap OneHungLow brand header > > connectors:http://www.alternatezone.com/images/MeltedConnector.JPG > > Temperature profile peak was only 265 degC. > > > Dave. > > Regardless of the temperature, I would put jumper blocks on them first > and discard them later. The jumper blocks should hold it in place and > shield the metal, which draw heat faster than plastic. not much point in machine assembly if you have to manually put on jumper blocks and such .... > > I never have to do that,and I use both single and dual pin strip > headers..... Lead free, flow soldered, 267 C , preheat 45 seconds @ 330C > over > hotplate, 1.2 M/sec -Lasse
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X-Google-Thread: 112d1e,1c965bdcec33317a X-Google-Thread: 103407,1c965bdcec33317a X-Google-Attributes: gid112d1e,gid103407,domainid0,public,usenet X-Google-Language: ENGLISH,ASCII Path: arc1-ca.pugleaf.net!g2news2.google.com!postnews.google.com!h28g2000yqd.googlegroups.com!not-for-mail From: "langwadt@fonz.dk" <langwadt@fonz.dk> Newsgroups: sci.electronics.design,aus.electronics Subject: Re: Melted Connector Date: Fri, 17 Apr 2009 16:56:46 -0700 (PDT) Organization: http://groups.google.com Lines: 28 Message-ID: <5eae8378-c528-49af-9c9d-21708513e798@h28g2000yqd.googlegroups.com> References: <Bn%Fl.17639$g%5.15000@newsfe23.iad> <93f44a0f-b169-49ac-b11f-65b2c621325c@d19g2000prh.googlegroups.com> <O42Gl.43152$cX1.31301@newsfe28.ams2> NNTP-Posting-Host: 217.157.139.107 Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable X-Trace: posting.google.com 1240012606 20206 127.0.0.1 (17 Apr 2009 23:56:46 GMT) X-Complaints-To: groups-abuse@google.com NNTP-Posting-Date: Fri, 17 Apr 2009 23:56:46 +0000 (UTC) Complaints-To: groups-abuse@google.com Injection-Info: h28g2000yqd.googlegroups.com; posting-host=217.157.139.107; posting-account=mW5JKwkAAAAMyuWOVeLp8yffyAkVx0g7 User-Agent: G2/1.0 X-HTTP-UserAgent: Mozilla/5.0 (Windows; U; Windows NT 6.0; da; rv:1.9.0.8) Gecko/2009032609 Firefox/3.0.8,gzip(gfe),gzip(gfe)