X-On Electronics has gained recognition as a prominent supplier of 139-2 Heat Sinks across the USA, India, Europe, Australia, and various other global locations. 139-2 Heat Sinks are a product manufactured by Wakefield. We provide cost-effective solutions for Heat Sinks, ensuring timely deliveries around the world.

139-2 Wakefield

139-2 electronic component of Wakefield
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Part No.139-2
Manufacturer: Wakefield
Category: Heat Sinks
Description: Heat Sinks Spring Assembly, 139 Series, 2 Leaves, 31.8mm
Datasheet: 139-2 Datasheet (PDF)
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges



Price (USD)
1: USD 56.5835 ea
Line Total: USD 56.58 
Availability - 19
Ship by Tue. 26 Nov to Thu. 28 Nov
MOQ: 1  Multiples: 1
Pack Size: 1
Availability Price Quantity
4
Ship by Thu. 28 Nov to Wed. 04 Dec
MOQ : 1
Multiples : 1
1 : USD 77.4244
5 : USD 76.2825
10 : USD 72.7519
25 : USD 70.7438
50 : USD 70.035
100 : USD 65.7825
250 : USD 65.1262

32
Ship by Thu. 28 Nov to Wed. 04 Dec
MOQ : 1
Multiples : 1
1 : USD 85.525
10 : USD 74.5262
100 : USD 69.7552

19
Ship by Tue. 26 Nov to Thu. 28 Nov
MOQ : 1
Multiples : 1
1 : USD 56.5835
10 : USD 54.4005

   
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We are delighted to provide the 139-2 from our Heat Sinks category, at competitive rates not only in the United States, Australia, and India, but also across Europe and beyond. A long established and extensive electronic component distribution network has enhanced our global reach and dependability, ensuring cost savings through prompt deliveries worldwide. Client satisfaction is at the heart of our business, where every component counts and every customer matters. Our technical service team is ready to assist you. From product selection to after-sales support, we strive to deliver a seamless and satisfying experience. Are you ready to experience the best in electronic component distribution? Contact X-ON Electronics today and discover why X-On are a preferred choice for the 139-2 and other electronic components in the Heat Sinks category and beyond.

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WTS001 p50-68 6/14/07 10:46 AM Page 57 Precision Compression Clamp Systems PRECISION COMPRESSION MOUNTING CLAMP SYSTEMS Wakefield Engineering compression pack heat sinks and clamp systems provide electrical and mounting and cooling are available separately for all standard compression requirements from industrial equipment manufacturers with complete system solutions for proper installation and 800 lbs (362.9 kg) to 16,000 lbs (7,257.5 kg) force in both natural and forced convection ap- heat dissipation for high-power compression pack semiconductor. All components for device plications. 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 These high-quality mounting clamp assemblies are the worldwide standard for mounting, lected (based on maximum clamping force required), will provide the necessary vertical clear- compression, and clamping press-pack SCR, thyristor, rectifier, and other high power disc ance space. For the 130 and 139 Series, this determination is made by subtracting the chosen packaged devices utilized in power distribution equipment, industrial controls, transportation spring assembly Z dimension (refer to dimensional tables) from the crossbar assembly X systems, and power supply and conversion systems. 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- Clamp assemblies will accommodate devices with overall case diameters to 5.25 in. (133.4 mension measured from the spring assembly device mounting surface to the spring assembly mm) maximum. Vertical device mounting space available for assemblies is determined by se- top surface. Some series have fixed dimensions for alpha characters. All spring assemblies are lecting an appropriate series crossbar by length which, when a series spring assembly is se- designed with a force indicator gauge. Compression Mounting Clamp Assemblies for Semiconductors to 2.25 in. (57.2mm) Diameter 130 SERIES 130 SERIES CROSSBAR MECHANICAL DIMENSIONS 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 ZDim. 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) Dimensions: in. (mm) 130-5 5 0.83 (21.1) 2,000 (907.2) 0.408 (185.07) 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. Order Guide: Dimensions: Order Crossbar and Spring Assembly in. (mm) separately by type number from table. lb. (kg) 57WTS001 p50-68 6/14/07 10:46 AM Page 58 Precision Compression Clamp Systems PRECISION COMPRESSION MOUNTING CLAMP SYSTEMS Compression mounting clamp assemblies for semiconductors to 3.50 in. (88.9 mm) Diameter 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 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 Order Guide: Dimensions: Series Height Reference Width B Order Crossbar and Spring Assembly in. (mm) Number in. (mm) Reference in. (mm) separately by type number from table. lb. (kg) 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 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) 58

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