21.2250

socket base

1.7000±0.1000 (x4)

non plated mounting holes

18.7250±0.0500

0.8500±0.0250 (x2)

non plated alignment holes

4.2825±0.0250

6.8225±0.0250

23.5002

13.95

16.9750

12.9750

0.23

0.40 typ.

4.6875

4.4375

1.8750

9.6000 (x4)

4.5625

keep out area on the back of PCB (x4)

Pin 1

*Note: QFP pattern is not symmetrical

with respect to the mounting holes. It

is shifted to the right by 0.125mm

Recommended PCB Layout

Top View

Target PCB Recommendations

Total thickness: 1.6mm min.

Plating: Gold or Solder finish.

PCB Pad height: Same or higher than solder mask.

Ironwood Electronics, Inc.

Tele: (800) 404-0204

www.ironwoodelectronics.com

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.

Description: Rcommended PCB Layout

Primary dimension units are millimeters, Secondary dimension units are [inches].

STATUS: Released

REV. A

DATE: 08/09/2016

Material: N/A

Finish: N/A

Weight: 9.05

SG-QFE-7018 Specification

SCALE: 4:1

SHEET: 2 OF 4

DRAWN BY: M. Raske

FILE: SG-QFE-7018 Dwg