A1 Corner
21.00
14.10
5.61
9.00
28.23
3.41
20.225±0.125
4.00
2.61
38.09
35.43
20.00±0.125
4.00 4.00
CBT-QFN DIRECT MOUNT, SOLDERLESS SOCKET FOR
BURN-IN AND TEST APPLICATIONS
FEATURES:
Wide temperature range (-55C to +155C)
High current capability (up to 4A)
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 ±0.03mm [±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: Clam shell spring pin socket for 5mm x 7mm QFN44
Primary dimension units are millimeters, Secondary dimension units are [inches].
STATUS: Released
REV. B
DATE: 5/10/12
Material: Material <not specified>
Finish:
Weight: 11.75
CBT-QFN-7025 Drawing
SCALE: 2:1
SHEET: 1 OF 5
DRAWN BY: D. Hauer
FILE: CBT-QFN-7025 Dwg
2.20
±0.10
THRU (x4)
non plated mounting hole
16.00
±0.05
20.225
±0.125
8.00
±0.025
(x4)
1.550
±0.025
(x2)
non plated alignment hole
4.20
6.40±0.025
4.70±0.025
2.20
8.00±0.025 (x4)
3.20
4.80
0.40 typ.
5.60±0.025
5.700±0.025
2.95 keepout area
P
A1 Corner
0.40 typ.
0.60
0.25
DETAIL P
SCALE 16 : 1
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: Clam shell spring pin socket for 5mm x 7mm QFN44
Primary dimension units are millimeters, Secondary dimension units are [inches].
STATUS: Released
REV. B
DATE: 5/10/12
Material: Material <not specified>
Finish:
Weight: 11.75
CBT-QFN-7025 Drawing
SCALE: 5:1
SHEET: 2 OF 5
DRAWN BY: D. Hauer
FILE: CBT-QFN-7025 Dwg