Ironwood CBT-QFN-7032 Low and stable contact resistance for reliable production yield Datasheet

CBT-QFN DIRECT MOUNT, SOLDERLESS SOCKET FOR
BURN-IN AND TEST APPLICATIONS
FEATURES:
• Wide temperature range (-55C to +180C)
• High current capability (up to 1.8A)
• 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
30.48
0.1080
DETAIL N
SCALE 8 : 1
25.30
Recommended torque = 0.3 in-lbs
40.05
40.05
N
15.05
5.05
3.55
4.50
2.75
6.87
4.95
13.1250
25.90
14.11
40.95
Description: CBT-QFN32 4x3.5mm 0.4mm pitch
Primary dimension units are millimeters, Secondary dimension units are [inches], Weight is in grams.
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.
CBT-QFN-7032 Drawing
Ironwood Electronics, Inc.
Tele: (800) 404-0204
www.ironwoodelectronics.com
Material: N/A
Finish: N/A
Weight: 40.86
STATUS: Released
SHEET: 1 OF 5
REV. C
ENG: S. Huang
DRAWN BY: M. Raske
SCALE: 3:2
FILE: CBT-QFN-7032 Dwg
DATE: 10-1-13
20.225±0.125 Socket base size
1.60
1.71±0.10 (x4) NPT mounting hole
Orientation Mark
0.85±0.05 (x2) NPT alignment hole
30.2250±0.1250
Socket lid size
28.2250±0.1250
Socket base size
12.2250±0.1250
Non component area
2
1.645
2.40
P
1.80
3
0.45 x 0.30 pad (x32)
0.65
2.40
3.20
9.725±0.050 (x4)
25.300±0.125 Socket lid size
Target PCB Recommendations
Total thickness: 1.6mm min.
Plating: Gold or Solder finish
SBT spring pin contact locations
(DO NOT place vias in these locations)
Description: Recommended PCB Layout
DETAIL P
SCALE 8 : 1
Primary dimension units are millimeters, Secondary dimension units are [inches], Weight is in grams.
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.
CBT-QFN-7032 Drawing
Ironwood Electronics, Inc.
Tele: (800) 404-0204
www.ironwoodelectronics.com
Material: N/A
Finish: N/A
Weight: 40.86
STATUS: Released
SHEET: 2 OF 5
REV. C
ENG: S. Huang
DRAWN BY: M. Raske
SCALE: 4:1
FILE: CBT-QFN-7032 Dwg
DATE: 10-1-13
4
1.27±0.09
0.40
3.50
1.80
0.33
Pin 1
2.40
0.30
Bottom view
Side view
Description: Compatible QFN
Primary dimension units are millimeters, Secondary dimension units are [inches], Weight is in grams.
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.
CBT-QFN-7032 Drawing
Ironwood Electronics, Inc.
Tele: (800) 404-0204
www.ironwoodelectronics.com
Material: N/A
Finish: N/A
Weight: 40.86
STATUS: Released
SHEET: 3 OF 5
REV. C
ENG: S. Huang
DRAWN BY: M. Raske
SCALE: 20:1
FILE: CBT-QFN-7032 Dwg
DATE: 10-1-13
5
7
2
6
ITEM
NO.
DESCRIPTION
Material
1
Clam Shell Socket Lid 10mm IC
7075-T6 Aluminum Alloy
2
M6x1 fluted knob compression screw,
Ni plated
7075-T6 Aluminum Alloy
3
Latch 6- 10mm Ni plated
7075-T6 Aluminum Alloy
4
Hinge Pin and Snap Ring, 2mm OD,
19mm long, SS
Stainless Steel (ferritic)
5
Screw, M3 x 12mm, Low Head Cap, SS
18-8 Stainless Steel
6
Precision Compression Spring, ZincPlated Music Wire, 1/2" Length, .12"
OD, .016" Wire
Zinc Plated Music Wire
7
Spring Clamshell lid assembly
Steel Music Wire
8
Dowel pin, 1/32" X 1/4", SS
Stainless Steel (18-8)
9
10
Insulation Plate 7mm
CBT Compression Plate 4x3.5mm IC
Ultem 1000
7075-T6 Aluminum Alloy
11
#0-80 x 0.5, SH Cap Screw
Alloy Steel
12
CBT Socket base 7mm
7075-T6 Aluminum Alloy
13
Clamshell Backing Plate, 7mm IC 4.5
Thick
7075-T6 Aluminum Alloy
14
Pin orientation guide 4x3.5mm IC
0.4mm QFN32
Kapton Polyimide/Cirlex
15
IC guide 4x3.5mm QFN32 0.5mm
Torlon 4203
16
QFN32 0.4mm SBT Top spring pin guide
Semitron MDS 100
17
QFN32 0.4mm SBT Bottom spring pin
guide
Semitron MDS 100
18
QFN32 IC, 4x3.5mm 0.4mm pitch
High Temp FR4
19
PCB 0.4mm pitch 4x3.5mm IC QFN32
High Temp FR4
20
Stamped Pin, 0.4mm SBT-LGA/QFN
N/A
21
#0-80, 90 deg., head pin guide screw,
Peek material
PEEK unfilled
1
3
10
4
12
18
15
8
16
14
20
17
21
9
19
13
11
Description: Socket Assy, detail
Primary dimension units are millimeters, Secondary dimension units are [inches], Weight is in grams.
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.
CBT-QFN-7032 Drawing
Ironwood Electronics, Inc.
Tele: (800) 404-0204
www.ironwoodelectronics.com
Material: N/A
Finish: N/A
Weight: 40.86
STATUS: Released
SHEET: 4 OF 5
REV. C
ENG: S. Huang
DRAWN BY: M. Raske
SCALE: 1.75:1
FILE: CBT-QFN-7032 Dwg
DATE: 10-1-13
7.25
14.725
2
9.725±0.050 (x4)
3 (x5)
INS PLT and BK PLT
Top View
0.75
4.50
INS PLT and BK PLT
Side View
SBT PIN
scale 16:1
Rev
Date
Initials Description
A
10/01/13
MR Original
B
08/14/14
DH Changed IC Guide material to Torlon
C
3/25/16
MR Replaced plastic screws with peek screws
Description: Revisions
Primary dimension units are millimeters, Secondary dimension units are [inches], Weight is in grams.
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.
CBT-QFN-7032 Drawing
Ironwood Electronics, Inc.
Tele: (800) 404-0204
www.ironwoodelectronics.com
Material: N/A
Finish: N/A
Weight: 40.86
STATUS: Released
SHEET: 5 OF 5
REV. C
ENG: S. Huang
DRAWN BY: M. Raske
SCALE: 3:1
FILE: CBT-QFN-7032 Dwg
DATE: 10-1-13
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