Ironwood CBT-QFN-7042 Minimum real estate required Datasheet

GHz QFN Socket - Direct mount, solderless
Features
A1 corner
3.00
THRU ALL
A
• Directly mounts to target PCB (needs tooling holes) with hardware
• High speed, reliable Elastomer connection
• Minimum real estate required
• Compression plate distributes forces evenly
• Hinged clamshell socket lid
A
25.48
Recommended torque is
4.2 N-cm [6 ozf-in]
30.48
TOP VIEW
B
45.68
36.98
15.24
2.15
3.65
7.63
5.24
customer's target PCB
7.25
SIDE VIEW
5.25
B
SECTION A-A
Description: Clam shell socket for 4.5x12.5mm, 0.4mm pitch QFN74
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-7042 Drawing
Ironwood Electronics, Inc.
Tele: (800) 404-0204
www.ironwoodelectronics.com
Material: N/A
Finish: N/A
Weight: 42.03
25.48
7.88
25.48
SECTION B-B
STATUS: Released
SHEET: 1 OF 6
REV. A
ENG: E. Smolentseva
DRAWN BY: M. Raske
SCALE: 1.8:1
FILE: CBT-QFN-7042 Dwg
DATE: 04/16/2015
*Note: QFN pattern is not symmetrical with respect
to the mounting holes. The pattern is shifted to the
right of center by 0.25mm.
0.25
2.2625*
HINGE
Orientation mark
1.5625
15.225±0.050
0.85±0.025 (x2)
non plated alignment hole
5.40
10.80
11.20
12.10
28.225±0.125
socket base size
6.05
5.0725±0.025
17.725±0.125
socket base
outline
0.40
U
0.25
30.225±0.125
socket lid size
LATCH
1.71±0.10 (x4)
non plated mounting hole
0.45
DETAIL U
SCALE 12 : 1
3.20
7.225±0.050
Target PCB Recommendations
Total thickness: 2.4mm min.
Plating: Gold or Solder finish
9.975±0.125 socket
base outline
Max Ht: 13.68mm
11.928±0.125
Max Ht: 3.68mm
Max Ht: 2.18mm
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-7042 Drawing
Ironwood Electronics, Inc.
Tele: (800) 404-0204
www.ironwoodelectronics.com
Material: N/A
Finish: N/A
Weight: 42.03
STATUS: Released
SHEET: 2 OF 6
REV. A
ENG: E. Smolentseva
DRAWN BY: M. Raske
SCALE: 3:1
FILE: CBT-QFN-7042 Dwg
DATE: 04/16/2015
A
D
B
bbb C
eee C A B
J
C
ccc C
Pin 1 corner
E
e
K
eee C A B
74X b
ddd M C A B
TOP VIEW
SIDE VIEW
74X L
A1
A3
e
BOTTOM VIEW
A2
A
Ironwood Package Code QFN74A
Description: Compatible device
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-7042 Drawing
Ironwood Electronics, Inc.
Tele: (800) 404-0204
www.ironwoodelectronics.com
Material: N/A
Finish: N/A
Weight: 42.03
STATUS: Released
Dimension
A
A1
A2
A3
J
K
L
b
D
E
e
bbb
ccc
ddd
eee
Min
0.8
0
3.15
11.11
0.35
0.15
4.4
12.4
Nom
0.85
0.035
0.65
0.203 REF
3.2
11.2
0.40
0.2
4.5
12.5
0.4 BSC
0.10
0.08
0.1
0.1
Max
0.9
0.05
3.25
11.25
0.45
0.25
4.6
12.6
SHEET: 3 OF 6
REV. A
ENG: E. Smolentseva
DRAWN BY: M. Raske
SCALE: 6:1
FILE: CBT-QFN-7042 Dwg
DATE: 04/16/2015
3.08
1.86
1.10
2.15
4.65
3.60
1.84
2.80
Description: Detail VW of Elastom GD cut
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-7042 Drawing
Ironwood Electronics, Inc.
Tele: (800) 404-0204
www.ironwoodelectronics.com
Material: N/A
Finish: N/A
Weight: 42.03
STATUS: Released
SHEET: 4 OF 6
REV. A
ENG: E. Smolentseva
DRAWN BY: M. Raske
SCALE: 4:1
FILE: CBT-QFN-7042 Dwg
DATE: 04/16/2015
Thru hole on compression screw
and compression plate
T
Cutout for air flow on top of IC package
cutout on socket base
and compression plate
to allow air flow
DETAIL T
SCALE 8 : 1
Description: Compression plate details
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-7042 Drawing
Ironwood Electronics, Inc.
Tele: (800) 404-0204
www.ironwoodelectronics.com
Material: N/A
Finish: N/A
Weight: 42.03
STATUS: Released
SHEET: 5 OF 6
REV. A
ENG: E. Smolentseva
DRAWN BY: M. Raske
SCALE: 2:1
FILE: CBT-QFN-7042 Dwg
DATE: 04/16/2015
4
8
5
6
2
7
12
3
9
11
1
17
19
20
18
16
15
14
10
Description: Socket Detail
NO.
DESCRIPTION
Material
1
Dowel pin, 1/32" X 1/4", SS
Stainless Steel (18-8)
2
Clam Shell Socket Lid 10mm IC
7075-T6 Aluminum Alloy
3
Latch 6- 10mm Ni plated
7075-T6 Aluminum Alloy
4
M6x1 fluted knob compression screw
7075-T6 Aluminum Alloy
5
Screw, M3 x 12mm, Low Head Cap, SS
18-8 Stainless Steel
6
Spring Clamshell lid assembly
Steel Music Wire
7
Hinge Pin and Snap Ring, 2mm OD, 19mm Stainless Steel (ferritic)
long, SS
8
Precision Compression Spring, Zinc-Plated
Music Wire, 1/2" Length, .12" OD, .016"
Zinc Plated Music Wire
Wire
9
Customer's device
FR4 Standard
10
#0-80 x 0.5, SH Cap Screw
Alloy Steel
11
Clam shell socket base
7075-T6 Aluminum Alloy
12
Compression Plate
7075-T6 Aluminum Alloy
13
#0-80, 90 deg., head pin guide screw, Peek
material
PEEK unfilled
14
Backing Plate
7075-T6 Alumium Alloy
15
insulating plate
FR4 High temp
16
Customer's target PCB
FR4 High temp
17
top guide QFN74 0.4mm 4.5x12.5mm
Semitron MDS 100
18
Btm guide QFN74 0.4mm 4.5x12.5mm
Semitron MDS 100
19
Stamped Pin, 0.4mm SBT-LGA/QFN
N/A
20
Floating Guide Spring
Alloy Steel (SS)
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-7042 Drawing
Ironwood Electronics, Inc.
Tele: (800) 404-0204
www.ironwoodelectronics.com
Material: N/A
Finish: N/A
Weight: 42.03
STATUS: Released
SHEET: 6 OF 6
REV. A
ENG: E. Smolentseva
DRAWN BY: M. Raske
SCALE: 1.85:1
FILE: CBT-QFN-7042 Dwg
DATE: 04/16/2015
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