PCB Libraries, Inc. | https://www.pcblibraries.com/forum/land-pattern-calculation-of-gull-wing-lead-parts_topic1314_page1.html
. These 7 factors are used to calculate the optimum Land Size Component Body Tolerance – ± 4 Mil (0.1) thru ± 12 (0.3) Component Terminal Tolerance – ± 8 Mil (0.2) thru ± 20 Mil (0.5
PCB Libraries, Inc. | https://www.pcblibraries.com/Forum/land-pattern-calculation-of-gull-wing-lead-parts_topic1314_post5184.html
. These 7 factors are used to calculate the optimum Land Size Component Body Tolerance – ± 4 Mil (0.1) thru ± 12 (0.3) Component Terminal Tolerance – ± 8 Mil (0.2) thru ± 20 Mil (0.5
PCB Libraries, Inc. | https://www.pcblibraries.com/Forum/avx-turbocap-footprint_topic42_post111.html
& Side dimensions to calculate the Pad Size and Spacing. These 7 factors are used to calculate the optimum Land Size Component Body Tolerance – ± 4 Mil (0.1) thru ± 12 (0.3
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/avx-turbocap-footprint_topic42_post111.html
& Side dimensions to calculate the Pad Size and Spacing. These 7 factors are used to calculate the optimum Land Size Component Body Tolerance – ± 4 Mil (0.1) thru ± 12 (0.3
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/topic42&OB=DESC.html
& Side dimensions to calculate the Pad Size and Spacing. These 7 factors are used to calculate the optimum Land Size Component Body Tolerance – ± 4 Mil (0.1) thru ± 12 (0.3
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/footprint-expert-2021-08-released_topic2931.html
– fixed an issue with Non-collapsing ball saved to FPX and reopened as Collapsing. Several 2-Pin Component Families – when the component tolerance is
PCB Libraries, Inc. | https://www.pcblibraries.com/Forum/topic2931&OB=ASC.html
– fixed an issue with Non-collapsing ball saved to FPX and reopened as Collapsing. Several 2-Pin Component Families – when the component tolerance is
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/topic2931&OB=ASC.html
– fixed an issue with Non-collapsing ball saved to FPX and reopened as Collapsing. Several 2-Pin Component Families – when the component tolerance is
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/RSS_son-qfn-calculations_topic889.xml
; Furthermore, the component peripheral pad length is also dictated by a saw or punch tolerance which has nothing to do with the etch tolerance and therefore should be considered independently AFTER the etch tolerances are accounted for. 
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/footprint-for-chip-tantalum-capacitor-with-nib_topic1503&OB=ASC_page2.html
: 05 Jan 2012 Location: San Diego, CA Status: Offline Points: 5132 Post Options Post Reply Quote Tom H Report Post Thanks(0) Quote Reply Posted: 16 Oct 2015 at 8:45am If the component mfr