Ironwood CBT-QFN-7028 Low and stable contact resistance for reliable production yield Datasheet

SBT-QFN DIRECT MOUNT, SOLDERLESS SOCKET FOR
BURN-IN AND TEST APPLICATIONS
FEATURES:
•
Wide temperature range (-55C to +180C)
•
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
17.00
M
M
0.3
28.225
DETAIL N
SCALE 16 : 1
21.00
21.50
N
13.3
14.7
4.0
2.3
4.00
SECTION M-M
4.6
4.6
19.00
Description: Socket Assembly
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-7028 Drawing
Ironwood Electronics, Inc.
Tele: (800) 404-0204
www.ironwoodelectronics.com
Material: Material <not specified>
Finish:
Weight: 11.88
STATUS: Released
SHEET: 1 OF 4
REV. C
ENG: V. Panavala
DRAWN BY: V. Panavala
SCALE: 2:1
FILE: CBT-QFN-7028
DATE: 10/30/2012
19.00±0.125
Socket Outline
Pin placement info.
5.00 (x4)
4.55
2.50
3.00
5.00 (x4)
3.005
1.00
0.50 Typ.
P
6.010
8.00
8.00±0.05 (x4)
DETAIL P
SCALE 6 : 1
4X
8.00±0.05 (x4)
2.20±0.10 THRU ALL
1.55 (x2)
thru all
Description: Recommended PCB Layout
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-7028 Drawing
Ironwood Electronics, Inc.
Tele: (800) 404-0204
www.ironwoodelectronics.com
Material: Material <not specified>
Finish:
Weight: 11.88
STATUS: Released
SHEET: 2 OF 4
REV. C
ENG: V. Panavala
DRAWN BY: V. Panavala
SCALE: 5:1
FILE: CBT-QFN-7028
DATE: 10/30/2012
Ironwood Package Code : QFN44B
7.00±0.08
0.08±0.02
0.38±0.02
0.28±0.03 (x44)
0.13±0.05
0.50
7.00±0.08
4.55
0.73±0.03 (x44)
6.80±0.05
1.40±0.12
5.00
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-7028 Drawing
Ironwood Electronics, Inc.
Tele: (800) 404-0204
www.ironwoodelectronics.com
Material: Material <not specified>
Finish:
Weight: 11.88
STATUS: Released
SHEET: 3 OF 4
REV. C
ENG: V. Panavala
DRAWN BY: V. Panavala
SCALE: 8:1
FILE: CBT-QFN-7028
DATE: 10/30/2012
4
16
5
6
8
3
21
17
18
1
11
20
ITEM
NO.
1
2
3
4
5
6
7
DESCRIPTION
Material
Socket Base 12mm snap lid, posts removed
Bottom Pogo Guide 0.5mm pitch QFN44A
12mm Plastic Snap Clamshell Socket Lid
Clamshell Latch Snap Lid Socket
Compression Plate 7x7mm
Torsion Spring, 180 0.109" OD, Ccw/Rh
Wave Spring 0.375"OD 0.15" ln 100lbs/in
PPS
PEEK Ceramic filled
PPS/Ultem
PPS/Ultem
7075-T6 Alumium Alloy
Steel Music Wire
Steel Music Wire
8
9
10
11
12
13
Dowel Pin, M1.5 X 20mm LG, 18-8 SS
PCB QFN44 0.5mm pitch 7mm
Top Pogo Guide 0.5mm pitch QFN44A
QFN44A IC 7x7mm 0.5mm pitch
#0-80 x .25 LG, Flat Head Machine Screw
SBT-LGA/QFN Pogo Pin, 0.5mm-0.8mm
AISI 347 Annealed Stainless Steel (SS)
Material <not specified>
Peek
FR4
Stainless Steel (18-8)
Contact Mtrl: BeCu, Au Plated over Ni
14
15
16
17
18
19
20
21
Dowel Pin, M1.5 X 5mm LG, Hardened Steel
Pin Oreintation Guide 0.5mm pitch QFN44
2mm diameter Hinge Pin, 20 mm long
Snap ring for 2mm Hinge pin 0.15" OD
Socket Head Cap Screw M2 8mm long
Backing Plate 5 post
IC guide 7x7mm
Nut, #0-80 x 3/64", SS
AISI 347 Annealed Stainless Steel (SS)
Kapton
Alloy Steel
16.00 (x4)
15
4.00 (x4)
14
10
13
Stainless Steel (316)
7075-T6 Alumium Alloy
Torlon 4203
1023 Carbon Steel Sheet (SS)
4.00
2.00
4.00
12
90°
9
BACKING PLATE
19
Rev
Date
Initials Description
A
10/30/12
VP
Original
B
02/19/14
DH
Changed current rating of pin
Changed IC Guide Material from
C
02/19/15
DH
Ultem to Torlon
Description: Socket Specification
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-7028 Drawing
Ironwood Electronics, Inc.
Tele: (800) 404-0204
www.ironwoodelectronics.com
Material: Material <not specified>
Finish:
Weight: 11.88
M2x0.4 threads
STATUS: Released
SHEET: 4 OF 4
REV. C
ENG: V. Panavala
DRAWN BY: V. Panavala
SCALE: 2:1
FILE: CBT-QFN-7028
DATE: 10/30/2012
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