PCB Libraries, Inc. | https://www.pcblibraries.com/Forum/0402-min-size-land-pattern_topic30_post8239.html
- www.pcblibraries.com/downloads You can also switch between IPC-7351 Density Levels. Since the V2015.09 Library Expert Lite has all the latest IPC-7351C mathematical formulas for packages less than 0603, you'll be able to see distinct differences between 0603, 0402 and
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/0402-min-size-land-pattern_topic30&OB=DESC_page2.html
(especially when using lead-free solder). Here are my recommendations for the largest 0402 (1005) chip capacitor land pattern and it's in the IPC-7351 Nominal environment
PCB Libraries, Inc. | https://www.pcblibraries.com/Forum/0402-min-size-land-pattern_topic30&OB=DESC_page2.html
(especially when using lead-free solder). Here are my recommendations for the largest 0402 (1005) chip capacitor land pattern and it's in the IPC-7351 Nominal environment
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/0402-min-size-land-pattern_topic30_post6316.html
& .8mm pitch BGAs on it. Using 0402 caps on back. Question, does anyone have any input with problems etc using 0402 patterns created using the smallest pattern calculated with current calculator
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/0402-min-size-land-pattern_topic30&OB=DESC_page1.html
: 7 Post Options Post Reply Quote jayx Report Post Thanks(1) Quote Reply Posted: 20 Apr 2015 at 3:54pm Hi Tom, OK, as advised I've downloaded Library Expert Lite and entered 1005 (EIA 0402) dimensions (based on Kemet: D=1±0.05, E=0.5±0.05, A=0.5±0.05. L/L1=0.3±0.1mm
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/topic30&OB=DESC.html
: 7 Post Options Post Reply Quote jayx Report Post Thanks(1) Quote Reply Posted: 20 Apr 2015 at 3:54pm Hi Tom, OK, as advised I've downloaded Library Expert Lite and entered 1005 (EIA 0402) dimensions (based on Kemet: D=1±0.05, E=0.5±0.05, A=0.5±0.05. L/L1=0.3±0.1mm
PCB Libraries, Inc. | https://www.pcblibraries.com/Forum/0402-min-size-land-pattern_topic30_post6316.html
& .8mm pitch BGAs on it. Using 0402 caps on back. Question, does anyone have any input with problems etc using 0402 patterns created using the smallest pattern calculated with current calculator
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/0402-min-size-land-pattern_topic30_post5802.html
& .8mm pitch BGAs on it. Using 0402 caps on back. Question, does anyone have any input with problems etc using 0402 patterns created using the smallest pattern calculated with current calculator
PCB Libraries, Inc. | https://www.pcblibraries.com/Forum/topic30&OB=ASC.html
& .8mm pitch BGAs on it. Using 0402 caps on back. Question, does anyone have any input with problems etc using 0402 patterns created using the smallest pattern calculated with current calculator
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/topic30&OB=ASC.html
& .8mm pitch BGAs on it. Using 0402 caps on back. Question, does anyone have any input with problems etc using 0402 patterns created using the smallest pattern calculated with current calculator
