Lorenzo, John or Jean-Paul, can you please check which cans are included in IPC-7351B?
On Thu, Jan 15, 2015 at 4:44 PM, Carl Poirier <[email protected]> wrote: > Because that's what IPC-7351B says about can components. I don't think > they include the THT cans in this standard, but Lorenzo can confirm that > one. (Or anyone else with access to the documents) > > On Thu, Jan 15, 2015 at 4:32 PM, nnn <[email protected]> wrote: > >> I don't understand the exception for aluminum capacitors. Does it apply >> to both THT and SMD? Why clearance for THT capacitors should be greater >> than clearance for other THT? >> >> W dniu 15.01.2015 o 03:04, Carl Poirier pisze: >> >> It's pretty simple. They are proposing a nominal courtyard excess of >> 0.25mm for all THT components. All in all, I would amend rule 6.6 to the >> following, breaking it down into two rules: >> >> - Courtyard line has a width 0.05mm. This line is placed so that its >> clearance is measured from its center to the edges of pads and body. >> - Courtyard clearance is 0.25mm, except for components smaller than 0603 >> at 0.15mm, aluminum capacitors and connectors at 0.5mm and BGA at 1.0mm, >> all rounded on a grid of 0.05mm. (IPC-7251, IPC-7351) >> >> The connector clearance comes from *PCB Design Optimization starts in >> the CAD library*. Any comments before I edit the KLC? >> >> On Wed, Jan 14, 2015 at 8:22 PM, Carl Poirier <[email protected]> >> wrote: >> >>> Thank you very much Lorenzo. I will come up with some adjustments to the >>> KLC. >>> >>> On Tue, Jan 13, 2015 at 2:26 AM, Lorenzo Marcantonio < >>> [email protected]> wrote: >>> >>>> On Mon, Jan 12, 2015 at 09:39:44PM -0500, Jean-Paul Louis wrote: >>>> > > Thanks for the information. I have looked at some videos. Are you >>>> aware of some guidelines for THT courtyards? >>>> >>>> Here you go for THT: >>>> >>>> http://www.ipc.org/committee/drafts/1-13_d_7251WD1.pdf >>>> (yes, eternal draft:D) >>>> >>>> -- >>>> Lorenzo Marcantonio >>>> Logos Srl >>>> >>>> -- >>>> Mailing list: https://launchpad.net/~kicad-lib-committers >>>> Post to : [email protected] >>>> Unsubscribe : https://launchpad.net/~kicad-lib-committers >>>> More help : https://help.launchpad.net/ListHelp >>>> >>> >>> >> >> >> >> >> -- >> Mailing list: https://launchpad.net/~kicad-lib-committers >> Post to : [email protected] >> Unsubscribe : https://launchpad.net/~kicad-lib-committers >> More help : https://help.launchpad.net/ListHelp >> >> >
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