PCB Libraries, Inc. | https://www.pcblibraries.com/forum/topic1988&OB=ASC.html
:12pm Per IPC 7351B I am able to reproduce the PcbLibrary Expert footprint calculations when smt components have leads with the same length
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Heller Industries Inc. | https://hellerindustries.com/wp-content/uploads/2018/07/last-will-of-bga-void.pdf
. This paper documents an investigation to determine the impact of voids in BGA and CSP components using thermal cycle testing (-55°C to +125°C) in accordance with the IPC- 9701 specification for tin/lead solder alloys
Heller Industries Inc. | https://hellerindustries.com/wp-content/uploads/2022/04/last-will-of-bga-void-1.pdf
. This paper documents an investigation to determine the impact of voids in BGA and CSP components using thermal cycle testing (-55°C to +125°C) in accordance with the IPC- 9701 specification for tin/lead solder alloys
PCB Libraries, Inc. | https://www.pcblibraries.com/Forum/ipc7351-padstack-naming-convention_topic36_post3503.html
5.20 in diameter. w700h n 400z520m720 = Non-plated version Example of a Local Fiducial for Fine Pitch SMT Components c100m200k200 = Circular Land 1.00 with Solder Mask 2.00 with Keep-out 2.00 s100m200k200 = Square Land 1.00 with Solder Mask 2.00
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/ipc7351-padstack-naming-convention_topic36_post87.html
5.20 in diameter. w700h n 400z520m720 = Non-plated version Example of a Local Fiducial for Fine Pitch SMT Components c100m200k200 = Circular Land 1.00 with Solder Mask 2.00 with Keep-out 2.00 s100m200k200 = Square Land 1.00 with Solder Mask 2.00
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/topic36&OB=ASC.html
5.20 in diameter. w700h n 400z520m720 = Non-plated version Example of a Local Fiducial for Fine Pitch SMT Components c100m200k200 = Circular Land 1.00 with Solder Mask 2.00 with Keep-out 2.00 s100m200k200 = Square Land 1.00 with Solder Mask 2.00
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/ipc7351-padstack-naming-convention_topic36&OB=ASC_page1.html
5.20 in diameter. w700h n 400z520m720 = Non-plated version Example of a Local Fiducial for Fine Pitch SMT Components c100m200k200 = Circular Land 1.00 with Solder Mask 2.00 with Keep-out 2.00 s100m200k200 = Square Land 1.00 with Solder Mask 2.00
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