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4 pcb pad design – Rainbow Electronics GE863-PY User Manual

Page 71

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GE863 Hardware User Guide

1vv0300783 Rev.0 - 10/06/08

Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved

page 71 of 80

12.1.4 PCB pad Design

“Non solder mask defined” (NSMD) type is recommended for the solder pads on the PCB.




























Recommendations for PCB pad dimensions

Ball pitch [mm]

2

Solder resist opening diameter A [mm]

1,150

Metal pad diameter B [mm]

1 ± 0.05