SM-BGA-9021 Datasheet, PDF (2/4 Pages) Ironwood Electronics. – Low and stable contact resistance for reliable production yield

1.250±0.125 (x3)
A1 corner
1.250±0.125 (x4)
5.2000
17.2250±0.1250
Socket base size
2.5375*
7.5500
7.1750
Note: BGA pattern is not symmetrical
with respect to the mounting holes.
It is shifted 0.375mm to the right of the
center.
1.7875
1.6250
2.54
0.8500±0.0500 (x2)
Non plated alignment hole
0.800 Typ.
Target PCB Recommendations
Total thickness: 1.6mm min.
Plating: Gold or Solder finish
PCB Pad height: same or higher than solder mask
10.40 (x4)
14.7250±0.0500 (x4)
17.6000±0.1250
Socket base size
DESCRIPTION: Recommended PCB Layout
Primary dimension units are millimeters, Secondary dimension units are [inches].
Tolerances: diameters ±0.03mm [±0.001"],all other tolerances ±0.025mm [±0.001"] unless stated otherwise.
Materials and specifications are subject to change without notice.
SM-BGA-9021 Drawing
STATUS: Released
Ironwood Electronics, Inc.
Tele: [phone]
www.ironwoodelectronics.com
WEIGHT:
MATERIAL:
FINISH:
DRAWN BY: S. Huang
File: SM-BGA-9021
0.4250
1.7100±0.1000 (x4)
Non plated mounting hole
SHEET: 2 of 4
SCALE: 6:1
DATE: 11/16/12
REV. A