Precision Compression Clamp Systems Datasheet by Wakefield-Vette

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Precision Compression Clamp
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57
PRECISION COMPRESSION MOUNTING CLAMP SYSTEMS
Wakefield Engineering compression pack heat sinks and clamp systems provide electrical and
industrial equipment manufacturers with complete system solutions for proper installation and
heat dissipation for high-power compression pack semiconductor. All components for device
mounting and cooling are available separately for all standard compression requirements from
800 lbs (362.9 kg) to 16,000 lbs (7,257.5 kg) force in both natural and forced convection ap-
plications.
These high-quality mounting clamp assemblies are the worldwide standard for mounting,
compression, and clamping press-pack SCR, thyristor, rectifier, and other high power disc
packaged devices utilized in power distribution equipment, industrial controls, transportation
systems, and power supply and conversion systems.
Clamp assemblies will accommodate devices with overall case diameters to 5.25 in. (133.4
mm) maximum. Vertical device mounting space available for assemblies is determined by se-
lecting an appropriate series crossbar by length which, when a series spring assembly is se-
lected (based on maximum clamping force required), will provide the necessary vertical clear-
ance space. For the 130 and 139 Series, this determination is made by subtracting the chosen
spring assembly “Z” dimension (refer to dimensional tables) from the crossbar assembly “X”
dimension minimum and maximum values, to calculate the available device mounting space
clearance for the particular assembly combination. Spring assembly “Z” dimension is the di-
mension measured from the spring assembly device mounting surface to the spring assembly
top surface. Some series have fixed dimensions for alpha characters. All spring assemblies are
designed with a force indicator gauge.
Clamp Assembly Maximum Clamping Force Maximum Diameter (Ref) Crossbar Stud Centerline
Series Force Range Power Disc Device to Centerline Dimension
130 Series 800 lbs (362.9 kg) - 2,000 lbs (907.2 kg) 2.25 in. (57.2 mm) 2.750 in. (69.9 mm) Ref
139 Series 3,000 lbs (1,360.8 kg) and 5,000 lbs (2,268.0 kg) 3.50 in. (88.9 mm) 4.000 in. (101.6 mm) Ref
143 Series 1,000 lbs (453.6 kg) - 6,000 lbs (2,721.6 kg) 3.50 in. (88.9 mm) 4.000 in. (101.6 mm) Ref
144 Series 1,000 lbs (453.6 kg) - 6,000 lbs (2,721.6 kg) 4.00 in. (101.6 mm) 4.625 in. (117.5 mm) Ref
145 Series 2,000 lbs (907.2 kg) - 10,000 lbs (4,535.9 kg) 4.50 in. (114.3 mm) 5.500 in. (139.7 mm) Ref
146 Series 8,000 lbs (3,628.8 kg) - 16,000 lbs (7,257.5 kg) 5.25 in. (133.4 mm) 6.000 in. (152.4 mm) Ref
131/132/133 Series High-Performance Press Pack Heat Sinks
Compression Mounting Clamp Assemblies for Semiconductors to 2.25 in. (57.2mm) Diameter
130 SERIES CROSSBAR
800 lb - 2,000 lb (362.8 kg - 907.2 kg)
Crossbar Device Mounting, Surface to Spring Assembly
Top Surface Dimension
Model “X” Dimension Weight
No. Min. Max. lbs. (grams)
In. (mm)
130-A 1.74 (44.2) - 2.12 (53.8) 0.4 (181.44)
130-B 2.05 (52.1) - 2.43 (61.7) 0.418 (189.60)
130-C 2.36 (59.9) - 2.74 (69.6) 0.427 (193.68)
130-D 2.67 (67.8) - 3.05 (77.5) 0.437 (198.22)
130-E 2.98 (75.7) - 3.36 (85.3) 0.447 (202.76)
130-F 3.29 (83.6) - 3.67 (93.2) 0.461 (209.11)
130-G 3.60 (91.4) - 3.98 (101.1) 0.476 (215.91)
130-H 3.91 (99.3) - 4.29 (109.0) 0.486 (220.45)
130-J 4.22 (107.2) - 4.60 (116.8) 0.497 (225.44)
130-K 4.53(115.1) - 4.91 (124.7) 0.51 (231.33)
130-L 4.34 (122.9) - 5.22 (132.6) 0.52 (235.87)
130-M 5.15 (130.8) - 5.53 (140.5) 0.534 (242.22)
130-N 5.46 (138.7) - 5.84 (147.3) 0.544 (246.75)
130-P 5.77 (146.6) - 6.15 (156.2) 0.559 (253.56)
130 SERIES SPRING ASSEMBLY
Model No. of “Z”Dim. Max Force Weight
No. Leaves in. (mm) lb (kg) lbs (gms)
130-1 2 0.90 (22.9) 2,000 (907.2) 0.331 (150.14)
130-2 2 0.50 (12.7) 800 (362.8) 0.19 (86.18)
130-3 3 0.61 (15.5) 1,200 (544.3) 0.219 (99.34)
130-4 4 0.72 (18.3) 1,600 (727.8) 0.333 (151.05)
130-5 5 0.83 (21.1) 2,000 (907.2) 0.408 (185.07)
Order Guide: Dimensions:
Order Crossbar and Spring Assembly in. (mm)
separately by type number from table. lb. (kg)
Notes:
1. Spring assemblies are stainless steel leaves with a force indicator
gauge, except the lowest cost Type 130-1 spring assembly manufac-
tured from automotive grade stainless steel.
MECHANICAL DIMENSIONS
Dimensions: in. (mm)
130 SERIES
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PRECISION COMPRESSION MOUNTING CLAMP SYSTEMS
Compression mounting clamp assemblies for semiconductors to 3.50 in. (88.9 mm) Diameter
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
139-3 SERIES CROSSBAR - 3,000 LB (1,360.8) 139-5 SERIES CROSSBAR - 5,000 LB (2,268.0)
Model “X” Dimension Weight Model “X” Dimension Weight
No. Min Max lbs. (grams) No. Min Max lbs. (grams)
in. (mm) in. (mm)
139-3A 1.52 (38.6) 1.89 (48.0) 0.689 (312.52) 139-5A 1.52 (38.6) 1.89 (48.0) 0.94 (426.38)
139-3B 1.83 (46.5) 2.21 (56.1) 0.7 (317.51) 139-5B 1.83 (46.5) 2.21 (56.1) 0.96 (435.45)
139-3C 2.14 (54.4) 2.52 (64.0) 0.706 (320.24) 139-5C 2.14 (54.4) 2.52 (64.0) 0.98 (444.52)
139-3D 2.45 (62.2) 2.83 (71.9) 0.721 (327.04) 139-5D 2.45 (62.2) 2.83 (71.9) 1.01 (458.13)
139-3E 2.77 (70.4) 3.14 (79.8) 0.732 (332.03) 139-5E 2.77 (70.4) 3.14 (79.8) 1.02 (462.66)
139-3F 3.08 (78.2) 3.45 (87.6) 0.741(336.11) 139-5F 3.08 (78.2) 3.45 (87.6) 1.033 (468.56)
139-3G 3.39 (86.1) 3.77 (95.8) 0.762 (345.64) 139-5G 3.39 (86.1) 3.77 (95.8) 1.053 (477.63)
139-3H 3.70 (94.0) 4.08 (103.6) 0.773 (350.63) 139-5H 3.70 (94.0) 4.08 (103.6) 1.074 (487.64)
130-3J 4.01 (101.9 4.39 (111.5) 0.784 (355.62) 139-5J 4.33 (101.9) 4.39 (111.5) 1.064 (482.62)
139-3K 4.33 (110.0) 4.70 (119.4) 0.79 (358.34) 139-5K 4.33 (110.0) 4.70 (119.4) 1.075 (487.61)
139-3L 4.64 (117.9) 5.01 (127.3) 0.793 (359.70) 139-5L 4.64 (117.9) 5.01 (127.3) 1.088 (493.51)
139-3M 4.95 (125.7) 5.33 (135.4) 0.796 (361.06) 139-5M 4.95 (125.7) 5.33 (135.4) 1.102 (499.86)
139-3N 5.26 (133.6) 5.64 (143.3) 0.832 (377.39) 139-5N 5.26 (133.6) 5.64 (143.3) 1.11 (503.49)
139-3P 5.57 (141.5) 5.95 (151.1) 0.838 (380.11) 139-5P 5.57 (141.5) 5.95 (151.1) 1.171 (531.16)
CROSSBAR HEIGHT AND WIDTH
Series Height “A" Reference Width “B”
Number in. (mm) Reference in. (mm)
139-3 0.72 (18.3) 0.95 (24.1)
139-5 1.02 (25.9) 0.83 (21.1)
139 SERIES SPRING ASSEMBLY
Model Number of "Z" Dimension Maximum Force
Number Leaves in. (mm) lb. (kg)
139-1 1 0.87(22.1) 3,000 (1,360.8)
139-2 2 1.25(31.8) 5,000 (2,268.0)
MECHANICAL DIMENSIONS
Dimensions: in. (mm)
Order Guide: Dimensions:
Order Crossbar and Spring Assembly in. (mm)
separately by type number from table. lb. (kg)
139 SERIES
Precision Compression Clamp
Systems
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Precision Compression Clamp
Systems
59
Compression Mounting Clamp Assemblies for Semiconductors to 3.50 in (88.9 mm) Diameter
143 SERIES SPRING ASSEMBLY
Model Number of Max. Clamping Weight
Number Leaves Force lb. (kg) lb. (grams)
143-2 2 6,000 (2,721.6) 0.813 (368.77)
143 SERIES CROSSBAR
2,000 lb - 6,000 lb (907.2 kg - 2,721.6 kg)
Crossbar Device Mounting, Surface to Spring Assembly, Top Surface Dimension
Model “X” Dimension Overall Weight
No. Min Max Height “H” lbs. (grams)
In. (mm) In. (mm)
143-A 1.30 (33.0) 1.80 (45.7) 4.68 (118.9) 1.100 (498.95)
143-B 1.86 (45.7) 2.30 (58.4) 5.18 (131.6) 1.125 (510.29)
143-C 2.30 (58.4) 2.80 (71.1) 5.68 (144.3) 1.150 (521.63)
143-D 2.80 (71.1) 3.30 (83.8) 6.18 (157.0) 1.175 (532.97)
143-E 3.30 (83.8) 3.80 (96.5) 6.68 (169.7) 1.200 (544.31)
143-F 3.80 (96.5) 4.30 (109.2) 7.18 (182.4) 1.225 (555.65)
143-G 4.30 (109.2) 4.80 (121.9) 1.68 (195.1) 1.250 (566.99)
143-H 4.80 (121.9) 5.30 (134.6) 8.18 (207.8) 1.275 (578.33)
143-J 5.30 (134.6) 5.80 (147.3) 8.68 (220.5) 1.300 (589.67)
143-K 5.80 (147.3) 6.30 (160.0) 9.18 (233.2) 1.325 (601.00)
143-L 6.30 (160.0) 6.80 (172.7) 9.68 (245.9) 1.350 (612.35)
Order Guide: Dimensions:
Order Crossbar and Spring Assembly in. (mm)
separately by type number from table. lb. (kg)
144 SERIES SPRING ASSEMBLY
Model Clamping Force Range Weight
No. lb (kg) lbs (grams)
144-2 1,000 (453.6) – 6,000 (2,721) 1.772 (803.77)
Order Guide: Dimensions:
Order Crossbar and Spring Assembly in. (mm)
separately by type number from table. lb. (kg)
Dimensions: in. (mm)
Compression Mounting Clamp Assemblies for Semiconductors to 4.00 in (101.6mm) Diameter
144 SERIES CROSSBAR
1,000 lb - 6,000 lb (453.6 kg - 2,721.6 kg)
Crossbar Device Mounting, Surface to Spring Assembly
Top Surface Dimension
Model “X” Dimension Weight
No. Min Max lbs (grams)
In. (mm)
144-A 1.50 (38.1) 2.00 (50.8) 1.231 (558.37)
144-B 2.00 (50.8) 2.50 (63.5) 1.262 (572.43)
144-C 2.50 (63.5) 3.00 (63.5) 1.285 (582.87)
144-D 3.00 (76.2) 3.50 (88.9) 1.310 (594.21)
144-E 3.50 (88.9) 4.00 (101.6) 1.352 (613.26)
MECHANICAL DIMENSIONS
MECHANICAL DIMENSIONS
Dimensions: in. (mm)
PRECISION COMPRESSION MOUNTING CLAMP SYSTEMS
143 SERIES
144 SERIES
WTS001_p50-68 6/14/07 10:46 AM Page 59
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Compression Mounting Clamp Assemblies for Semiconductors to 4.50 in (114.3 mm) Diameter
145 SERIES CROSSBAR
2,000 lb - 10,000 lb (907.2 kg - 4,535.9 kg)
Crossbar Device Mounting, Surface to Spring Assembly, Top Surface Dimension
Model “X” Dimension Overall Weight
No. Min Max Height “H” lbs. (grams)
In. (mm) In. (mm)
145-A 1.75 (44.5) 2.50 (63.5) 6.00 (152.4) 3.845 (1744.06)
145-B 2.50 (63.5) 3.25 (82.6) 6.75 (171.5) 3.987 (1808.47)
145-C 3.25 (82.6) 4.00 (101.6) 7.50 (190.5) 4.06 (1841.58)
145-D 4.00 (101.6) 4.75 (120.7) 8.25 (209.6) 4.187 (1899.19)
145-E 4.75 (120.7) 5.50 (139.7) 9.00 (228.6) 4.37 (1982.20)
145-F 5.50 (139.7) 6.25 (158.8) 9.75 (247.7) 4.459 (2022.57)
Order Guide: Dimensions:
Order Crossbar and Spring Assembly in. (mm)
separately by type number from table. lb. (kg)
145 SERIES SPRING ASSEMBLY
Model Clamping Force Range Weight
No. lb (kg) lbs (grams)
145-2 2,000 (907.2) – 10,000 (4,535.9) 2.01 (911.72)
MECHANICAL DIMENSIONS
Dimensions: in. (mm)
PRECISION COMPRESSION MOUNTING CLAMP SYSTEMS
146 SERIES CROSSBAR
8,000 lb -16,000 lb (3,628.7 kg - 7,257.4 kg)
Crossbar Device Mounting, Surface to Spring Assembly, Top Surface Dimension
Model “X” Dimension Overall Weight
No. Min Max Height “H”
In. (mm) In. (mm) lbs. (grams)
146-A 1.54 (39.1) 2.29 (58.2) 5.92 (150.4) 3.813 (1729.55)
146-B 2.29 (58.2) 3.04 (77.2) 6.67 (169.4) 3.938 (1786.25)
146-C 3.04 (77.2) 3.79 (96.3) 7.42 (188.5) 4.063 (1842.95)
146-D 3.79 (96.3) 4.54 (115.3) 8.17 (207,5) 4.188 (1899.64)
146-E 4.54 (115.3) 5.29 (134.4) 8.92 (226.6) 4.313 (1956.34)
146-F 5.29 (134.4) 6.04 (153.4) 9.67 (245.6) 4.438 (2013.04)
146-G 6.04 (153.4) 6.79 (172.5) 10.42 (264.7) 4.563 (2069.74)
146 SERIES SPRING ASSEMBLY
Model Number of Clamping Force Range Maximum Force
Number Leaves lb (kg) lb (grams)
146-2 2 8,000 (3,628.7) - 16,000 (7,257.5) 2,688 (1,219.26)
Order Guide: Dimensions:
Order Crossbar and Spring Assembly in. (mm)
separately by type number from table. lb. (kg)
Compression Mounting Clamp Assemblies for Semiconductors to 5.25 in (133.5 mm) Diameter
MECHANICAL DIMENSIONS
Dimensions: in. (mm)
145 SERIES
146 SERIES
Precision Compression Clamp
Systems
60
WTS001_p50-68 6/14/07 10:46 AM Page 60
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Precision Compression Clamp
Systems
61
Thermal Performance
at Typical Load (2)
Standard P/N Nominal Dimensions: (1) Clamp Natural Convection
Black Gold Width Length “A” Height System Convection (°C/W) @
Anodize(4, 5) Iridite in. (mm) in. (mm) in. (mm) Series(5) (°C/W)(3) 500 LFM)
132-4.5B 132-4.5G 5.000 (127.0) 4.500 (114.3) 2.250 (57.2) 130 0.61 0.170
132-10B 132-10G 5.000 (127.0) 10.000 (254.0) 2.250 (57.2) 130 0.38 0.130
132-15.5B 132-15.5G 5.000 (127.0) 15.500 (393.7) 2.250 (57.2) 130 0.28 0.100
132-5-B9 132-5-G9 5.000 (127.0) 5.000 (127.0) 2.250 (57.2) 139 0.61 0.170
132-11-B9 132-11-G9 5.000 (127.0) 11.000 (299.4) 2.250 (57.2) 139 0.37 0.120
133-4.5B 133-4.5G 7.000 (139.2) 4.500 (114.3) 3.125 (79.4) 130 0.37 0.110
133-7.5B 133-7.5G 7.000 (139.2) 7.500 (190.5) 3.125 (79.4) 130 0.28 0.085
133-10B 133-10G 7.000 (139.2) 10.000 (254.0) 3.125 (79.4) 130 0.26 0.082
133-5-B9 133-5-G9 7.000 (139.2) 5.000 (127.0) 3.125 (79.4) 139 0.37 0.110
133-7.5-B9 133-7.5-G9 7.000 (139.2) 7.500 (190.5) 3.125 (79.4) 139 0.28 0.085
133-11-B9 133-11-G9 7.000 (139.2) 11.000 (279.4) 3.125 (79.4) 139 0.24 0.076
Dimensions: in.(mm)
Finish: B = Black Anodized
G = Gold Iridite
Material: Aluminum Alloy
Type Use with A B C D
132-4.5 See Fig.132
132-10 2 ea 132-4.5 2.25 5.50 10.0
132-15.5 3 ea 132-4.5 2.25 5.50 5.50 15.5
133-4.5 See Fig.133
133-7.5 See Fig.133
133-10 2 ea 133-4.5 2.25 5.50 10.0
132-5-9** See Fig.132
132-11-9** 2 ea 132-5-9 2.50 6.00 - 11.00
133-5-9** See Fig. 133
133-7.5-9** See Fig. 133
133-11-9** 2 ea 133-5-9 2.50 6.00 11.00
Notes:
1. Nominal dimensions for one heat sink of this type.
2. Thermal performance values shown are per pair of heat sinks.
3. Natural convection performance at 50°C heat sink rise above
ambient.
4. Black anodize finish [1.875 in. (47.6 mm) diameter spot
face. Device mounting surface area free of finish].
5. Predrilled heat sinks accept 130 and 139 Series clamp
systems.
** -9 indicates heat sinks drilled for 139 clamp.
Dimensions: in. (mm)
MECHANICAL DIMENSIONS (EXTRUSION PROFILE 3560-2) MECHANICAL DIMENSIONS (EXTRUSION PROFILE 3559-2)
133 SERIES
NATURAL AND FORCED CONVECTION CHARACTERISTICS
132 SERIES
NATURAL AND FORCED CONVECTION CHARACTERISTICS
132/133 SERIES HIGH-PERFORMANCE HEAT SINKS FOR COMPRESSION TYPE DEVICES
Series
**132-4.5
**132-10
**132-15.5
**132-5-9
**132-11-9
Series
**133-4.5
**133-7.5
**133-10
**133-5-9
**133-7.5-9
**133-11-9
MULTIPLE ASSEMBLY CONFIGURATION
132/133 SERIES
WTS001_p50-68 6/14/07 10:46 AM Page 61

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