19.5000
28.225
3.5000
2.5000
1.5875
20.225
13.79
20.6500
28.2250
9.0000
11.4000
34.0000
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.
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 5.5mm x 6mm QFN46
Primary dimension units are millimeters, Secondary dimension units are [inches], Weight is in grams.
STATUS: Released
REV. A
DATE: 1/2/2018
Material: N/A
Finish: N/A
Weight: 14.92
CBT-QFN-7053 Drawing
SCALE: 4:2
SHEET: 1 OF 5
ENG: E. Smolentseva
FILE: CBT-QFN-7053 Dwg
DRAWN BY: M. Raske
14.5002
4.8625
4.8625
12.2250±0.1250
Socket Base Outline
4.8625 4.8625
13.4897
4.9498
2.8625
1.8625
1.70±0.10 (x4)
Non-Plated Hole
0.850±0.025 (x2)
Non-Plated Hole
4.00
3.1125
2.0625
0.40
1.75
B
0.55
0.25
0.40
DETAIL B
SCALE 12 : 1
Target PCB Recommendations
Total thickness: 1.6mm min.
Plating: Gold or Solder finish
PCB Pad Height: Same or higher than solder mask
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: Recommended PCB layout
Primary dimension units are millimeters, Secondary dimension units are [inches], Weight is in grams.
STATUS: Released
REV. A
DATE: 1/2/2018
Material: N/A
Finish: N/A
Weight: 14.92
CBT-QFN-7053 Drawing
SCALE: 6:1
SHEET: 2 OF 5
ENG: E. Smolentseva
FILE: CBT-QFN-7053 Dwg
DRAWN BY: M. Raske
©2015 Ironwood Electronics, Inc.
Tele: (800) 404-0204
www.ironwoodelectronics.com