X-Authentication-Warning: delorie.com: mail set sender to geda-user-bounces using -f X-Recipient: geda-user AT delorie DOT com Date: Wed, 16 Apr 2014 08:39:00 +0100 From: Richard Bown To: geda-user AT delorie DOT com Subject: Re: [geda-user] printed meter shunts Message-ID: <20140416083900.2c246515@richard-laptop> In-Reply-To: <534E2921.2020800@gmail.com> References: <20140415195425 DOT 37808583 AT richard-laptop> <20140415213102 DOT 7714447a AT richard-laptop> <20140415223808 DOT 5df05324 AT richard-laptop> <534E2921 DOT 2020800 AT gmail DOT com> Organization: Ham radio X-Mailer: Claws Mail 3.8.1 (GTK+ 2.24.20; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Provags-ID: V02:K0:7XDigYDW3Frhb3365bGZj/PXgguaxOAxpWkdNzR8XTa sa4mZFXO0iC4JgGr9M6JI9Td4dRKgPOPttcnkQTDgs0KskmUrg sh68ffjpg3uNuxEwhgNMMhlLAW0AUCRLPfymeeiKObAa3ZfN/+ qXuQncGgkKXdeszdor45O3nXxOu6ZA7gAPsxaquhe8aenmXcEB y8S7kvylsEWtTD0EiSFRmFCWYsju2R4Nd609YacjnyKJv3BlHk 6rI3SAMIdrrPqikxwlEiVaKQczF61cK8EUV8TRGH+pOs1o7ByU KDGnJB/GnmPKl+vwsQP9eWDaru5Koq66rwhA6lWdW96BEKByc2 GzaeBCognyWAJF6H6nE9oh6q4R3sRRG0lU97RaNOv Reply-To: geda-user AT delorie DOT com Errors-To: nobody AT delorie DOT com X-Mailing-List: geda-user AT delorie DOT com X-Unsubscribes-To: listserv AT delorie DOT com Precedence: bulk On Wed, 16 Apr 2014 07:54:25 +0100 selsinork AT gmail DOT com wrote: > On 15/04/14 22:38, Richard Bown wrote: > > > Hmmm, you've got me thinking Nathan, 2512 package directly on the > > pcb may get warm , but if mounted piggy back on a high value > > resistor or cap with the same footprint may well do it, > > Have you seen ones like this ? > > http://uk.farnell.com/international-resistive/oarsxpr001flf/resistor-current-sense-0-001ohm/dp/2112985 > > There's a nice thermal image in the datasheet showing what happens > under load. > No I hadn't seen those, and they are not too large either, and that price is good. thanks -- -- Best wishes /73 Richard Bown Email : richard AT g8jvm DOT com HTTP : http://www.g8jvm.com nil carborundum a illegitemis ################################################################################## Ham Call G8JVM . OS Linux Mint 16 x86_64 on a Dell Inspiron N5030 laptop Maidenhead QRA: IO82SP38, LAT. 52 39.720' N LONG. 2 28.171 W QRV VHF 6mtrs 200W, 4 mtrs 150W, 2mtrs 400W, 70cms 200W Microwave 23 cms 140W, 13 cms 100W, 6 cms 0W & 3cms 5W ##################################################################################