SM-QFN-9012 Datasheet, PDF (2/5 Pages) Ironwood Electronics. – Low and stable contact resistance for reliable production yield

Orientation mark
2.7625
1.8750
4.7125
1.875
12.225
Socket base size
H
3.000
9.725±0.050 (x4)
1.71±0.10 THRU (x4)
NON-PLATED HOLE
2.000
0.850±0.050 THRU (x2)
NON-PLATED HOLE
1.875
1.625
0.975
0.575
0.325
0
0.325
0.700
0.975
1.275
1.875
SM contactor locations
(do not place vias in these areas)
1.500
0.800
0.350
0
0.325
1.050
1.625
1.875
0.65x0.3 pad
Target PCB Recommendations
Total thickness: 1.6mm min.
Plating: Gold or Solder finish
PCB Pad height: same or higher than solder mask.
Description: SM-QFN5 4x4mm 0.7mm pitch
Primary dimension units are millimeters, Secondary dimension units are [inches], Weight is in grams.
Tolerances: Hole diameters ±0.03mm [±0.001"], Pitches (from true position) ±0.025mm [±0.001"], substrate thickness tolerance ±10%, all
other tolerances ±0.13mm [±0.005"] unless stated otherwise. Materials and specifications are subject to change without notice.
SM-QFN-9012 Drawing
Ironwood Electronics, Inc.
Tele: [phone]
www.ironwoodelectronics.com
Material: N/A
Finish: N/A
Weight: 6.30
STATUS: Released
ENG: S. Huang
FILE: SM-QFN-9012 Dwg
DETAIL H
SCALE 14 : 1
SHEET: 2 OF 5
DRAWN BY: M. Raske
DATE: 10/1/2013
REV. B
SCALE: 7:1