SF-QFN40A-L-02 Datasheet, PDF (1/1 Pages) Ironwood Electronics. – Materials and specifications are subject to change without notice.

6.00mm
[0.236"]
3.02mm
[0.119"]
6.00mm [0.236"]
1 39 38 36 34 32 31
2 3 40 37 35 33 29
45
GND 30 28
67
27 26
8 10
25 24
9 13 15 17 20 23 22
11 12 14 16 18 19 21
3
6.00mm
[0.236"]
5.20mm
[0.205"]
0.75mm [0.030"] typ.
Top View
2
1
6.00mm [0.236"]
5.20mm [0.205"]
40
1
GND
2.90mm
[0.114"]
2.90mm [0.114"]
Bottom View
0.25mm [0.010"] typ.
Front View
0.50mm [0.020"] typ.
RoHS COMPLIANT
1 ^{Substrate: 0.635mm ±0.18mm [0.025" ±0.007"]}
per IPC 4101/21, Gold surface finish.
Substrate: 1.59mm ±0.18mm [0.062" ±0.007"]
2 ^{FR4/G10 or equivalent high temp material.}
Non-clad.
Pins: shell material- Brass Alloy 360 1/2 hard;
3 ^{finish- 0.25µm [10µ"] Au over 1.27µm [50µ"] Ni}
(min.). Contact material- BeCu; finish 0.25µm
[10µ"] Au over 2.54µm [100µ"] Ni (min. ).
Description: 40 position MLF/QFN surface mount foot
40 position (+1 Gnd index pin). 0.75mm pitch UGA female receptacles (top) to 40 position, 0.5mm MLF/QFN pattern
Tolerances: diameters ±0.03mm [±0.001”], PCB perimeters ±0.13mm [±0.005”], PCB thicknesses ±0.18mm [±0.007"], pitches (from true position)
±0.08mm [±0.003"], all other tolerances ±0.13mm [±0.005”] unless stated otherwise. Materials and specifications are subject to change without notice.
SF-QFN40A-L-02 Drawing
© 2006 IRONWOOD ELECTRONICS, INC.
11351 Rupp Drive, Suite 400, Burnsville, MN 55337
Tele: [phone]
www.ironwoodelectronics.com
Status: Released
Drawing: H. Hansen
File: SF-QFN40A-L-02 Dwg
Scale: 8:1
Rev: B
Date: 5/13/06
Modified: 7/3/07