144-2 Wakefield Thermal Solutions, 144-2 Datasheet - Page 2

• Manufacturer Part Number: 144-2
• Description: Compression Mounting Clamp Spring Assembly
• Manufacturer: Wakefield Thermal Solutions

Specifications of 144-2

• Peak Reflow Compatible (260 C): No
• Leaded Process Compatible: No
• Clamp Type: Spring
• For Use With: Semiconductors To 4 " (101.6 Mm) Diameter
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

PRECISION COMPRESSION MOUNTING CLAMP SYSTEMS
Normally stocked
139 SERIES
139 SERIES CROSSBAR
3,000 lb - 5,000 lb, (1,360.8 kg - 2,268.0 kg), Crossbar Device Mounting, Surface to Spring Assembly, Top Surface Dimension
CROSSBAR HEIGHT AND WIDTH
Number
139 SERIES SPRING ASSEMBLY
Number
139-1
139-2
139-3
139-5
Series
Model
139-3B
139-3C
139-3D
139-3E
139-3F
139-3G
139-3H
130-3J
139-3K
139-3L
139-3M
139-3N
139-3P
139-3A
Model
No.
MECHANICAL DIMENSIONS
Dimensions: in. (mm)
139-3 SERIES CROSSBAR - 3,000 LB (1,360.8)
Number of
Height “A" Reference
Leaves
Compression mounting clamp assemblies for semiconductors to 3.50 in. (88.9 mm) Diameter
4.33 (110.0)
4.64 (117.9)
4.95 (125.7)
5.26 (133.6)
5.57 (141.5)
1.83 (46.5)
2.14 (54.4)
3.08 (78.2)
3.39 (86.1)
4.01 (101.9
1.52 (38.6)
2.45 (62.2)
2.77 (70.4)
3.70 (94.0)
1
2
Min
0.72 (18.3)
1.02 (25.9)
in. (mm)
“X” Dimension
in. (mm)
"Z" Dimension
–
–
–
–
–
–
–
–
–
–
–
–
–
–
0.87(22.1)
1.25(31.8)
in. (mm)
4.08 (103.6)
4.39 (111.5)
4.70 (119.4)
5.01 (127.3)
5.33 (135.4)
5.64 (143.3)
5.95 (151.1)
1.89 (48.0)
2.21 (56.1)
2.52 (64.0)
2.83 (71.9)
3.14 (79.8)
3.45 (87.6)
3.77 (95.8)
Max
Reference in. (mm)
Maximum Force
Width “B”
0.95 (24.1)
0.83 (21.1)
3,000 (1,360.8)
5,000 (2,268.0)
0.689 (312.52)
0.706 (320.24)
0.721 (327.04)
0.732 (332.03)
0.762 (345.64)
0.773 (350.63)
0.784 (355.62)
0.793 (359.70)
0.796 (361.06)
0.832 (377.39)
0.838 (380.11)
lb. (kg)
0.741(336.11)
lbs. (grams)
0.79 (358.34)
0.7 (317.51)
59
Weight
Order Guide:
Order Crossbar and Spring Assembly
separately by type number from table.
All other products, please contact factory for price, delivery, and minimums.
139-5A
139-5B
139-5C
139-5D
139-5E
139-5F
139-5G
139-5H
139-5J
139-5K
139-5L
139-5M
139-5N
139-5P
Model
No.
139-5 SERIES CROSSBAR - 5,000 LB (2,268.0)
4.33 (101.9)
4.33 (110.0)
4.64 (117.9)
4.95 (125.7)
5.26 (133.6)
5.57 (141.5)
3.39 (86.1)
1.52 (38.6)
1.83 (46.5)
2.14 (54.4)
2.45 (62.2)
2.77 (70.4)
3.08 (78.2)
3.70 (94.0)
Min
“X” Dimension
in. (mm)
–
–
–
–
–
–
–
–
–
–
–
–
–
–
Precision Compression
4.39 (111.5)
4.08 (103.6)
4.70 (119.4)
5.01 (127.3)
5.33 (135.4)
5.64 (143.3)
5.95 (151.1)
2.21 (56.1)
2.52 (64.0)
2.83 (71.9)
3.77 (95.8)
1.89 (48.0)
3.14 (79.8)
3.45 (87.6)
Max
Clamp Systems
Dimensions:
in. (mm)
lb. (kg)
1.033 (468.56)
1.074 (487.64)
1.102 (499.86)
1.053 (477.63)
1.064 (482.62)
1.075 (487.61)
1.088 (493.51)
1.171 (531.16)
lbs. (grams)
0.94 (426.38)
0.96 (435.45)
0.98 (444.52)
1.01 (458.13)
1.02 (462.66)
1.11 (503.49)
Weight