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CM1426-08CP Datasheet(PDF) 10 Page - California Micro Devices Corp |
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CM1426-08CP Datasheet(HTML) 10 Page - California Micro Devices Corp |
10 / 13 page © 2005 California Micro Devices Corp. All rights reserved. 10 490 N. McCarthy Blvd., Milpitas, CA 95035-5112 ● Tel: 408.263.3214 ● Fax: 408.263.7846 ● www.calmicro.com 08/30/05 CM1426 PRELIMINARY Application Information Refer to Application Note AP-217, "The Chip Scale Package", for a detailed description of Chip Scale Packages offered by California Micro Devices. Figure 10. Recommended Non-Solder Mask Defined Pad Illustration Figure 11. Eutectic (SnPb) Solder Ball Reflow Profile Figure 12. Lead-free (SnAgCu) Solder Ball Reflow Profile PRINTED CIRCUIT BOARD RECOMMENDATIONS PARAMETER VALUE Pad Size on PCB 0.275mm Pad Shape Round Pad Definition Non-Solder Mask defined pads Solder Mask Opening 0.325mm Round Solder Stencil Thickness 0.125mm - 0.150mm Solder Stencil Aperture Opening (laser cut, 5% tapered walls) 0.330mm Round Solder Flux Ratio 50/50 by volume Solder Paste Type No Clean Pad Protective Finish OSP (Entek Cu Plus 106A) Tolerance — Edge To Corner Ball +50 μm Solder Ball Side Coplanarity +20 μm Maximum Dwell Time Above Liquidous (183°C) 60 seconds Maximum Soldering Temperature for Eutectic Devices using a Eutectic Solder Paste 240°C Maximum Soldering Temperature for Lead-free Devices using a Lead-free Solder Paste 260°C Solder Mask Opening 0.325mm DIA. Non-Solder Mask Defined Pad 0.275mm DIA. Solder Stencil Opening 0.330mm DIA. 200 250 150 100 50 0 1:00.0 2:00.0 3:00.0 4:00.0 Time (minutes) |
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