19.5000

28.225

3.5000

20.225

13.79

7.00 cutout

1.15

CBT-QFN DIRECT MOUNT, SOLDERLESS SOCKET FOR BURN-IN AND

TEST APPLICATIONS

Features

• Wide temperature range (-55C to +155C).

• High current capability (up to 2.5A).

• Excellent signal integrity at high frequencies.

• Low and stable contact resistance for reliable production yield.

• Highly compliant to accommodate wide co-planarity

variations.

• Automated probe manufacturing enables low cost and short

lead time.

Ironwood Electronics, Inc.

Tele: (800) 404-0204

www.ironwoodelectronics.com

Tolerances:

Hole diameters ±0.0254mm [±0.001"], Pitches (from true position) ±0.0762mm [±0.003"], substrate thickness tolerance ±10%, all

other tolerances ±0.127mm [±0.005"] unless stated otherwise. Materials and specifications are subject to change without notice.

Description: CBT socket for 5mm x 5mm QFN40

Primary dimension units are millimeters, Secondary dimension units are [inches], Weight is in grams.

STATUS: Released

REV. A

DATE: 9/14/2016

Material: N/A

Finish: N/A

Weight: 14.76

CBT-QFN-7051 Drawing

SCALE: 3:2

SHEET: 1 OF 5

ENG: E. Smolentseva

FILE: CBT-QFN-7051 Dwg

DRAWN BY: M. Raske

2.10 (x2)

Lid Alignment Holes

2.00

9.725

3.00

9.7250

Press fit for 1/32" diameter

dowel pins x2 places.

2.00

3.60

4.65

1.00 typ. center pin spacing

0.40 typ. perimeter pin spacing

5.0750±0.0250

DETAIL A

SCALE 6 : 1

2.5mm x 22.5 degree chamfer

Pockets; access for

extraction tool tips

A A

2.95

3.50

4.2699

0.55

SECTION A-A

SCALE 2 : 1