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Distributors for
WAKEFIELD ENGINEERING


POWER SEMICONDUCTOR
HEAT SINK SELECTION GUIDE

Wakefield Engineering's design, manufacture, and fabrication expertise offers a wide range of standard and custom heat dissipation products and accessories providing complete innovative thermal management solutions for a diverse range of commercial, industrial and military applications. For Board Level Power Semiconductor Heat Sinks and Extruded Heat Sinks selection assistance as well as custom design configurations, use the charts below as well as the illustrations linked below. For additional information, refer to product reference pages, contact our Applications Engineering Department, or call your local Sales Representative.


Style Outlines (images like TO-5 above)
 D Pak   -   TO-124   101k .gif, 
 TO-126  -   DO-9     101k .gif, 
 DO-10   -   misc.    101k .gif, 


Board Level Power                      Extruded Heat Sinks for 
Semiconductor Heat Sinks               Power Semiconductors

Series          Series                 Series         Series

200 Series      290 Series             131 Series     476 Series
216 Series      291 Series             132 Series     486 Series
225 Series      292 Series             133 Series     489 Series
254 Series      295 Series             301 Series     490 Series
256 Series      296 Series             302 Series     502 Series
258 Series      297 Series             303 Series     503 Series
259 Series      298 Series             392 Series     505 Series
260 Series      330 Speed Clip         394 Series     510 Series
270 Series      601 Series             395 Series     511 Series
271 Series      603 Series             396 Series     512 Series
272 Series      626 Series             401 Series     621 Series
273 Series      627 Series             403 Series     623 Series
274 Series      635 Series             413 Series     641 Series
275 Series      637 Series             421 Series     860 Series
280 Series      647 Series             423 Series    2080 Series
281 Series      657 Series             431 Series    2081 Series
285 Speed Clip  667 Series             433 Series    2090 Series
286 Series      677 Series             435 Series    2091 Series
287 Series      680 Series             441 Series    6050 Series
288 Series      690 Series             465 Series    6060 Series
289 Series      695 Series    

860 Series Forced Convection Assemblies
6050 and 6060 Series Forced Convection Assemblies
Bonded Fin Forced Convection Assemblies
Bonded Fin Natural Convection Heat Sinks
Custom Bonded Fin Heat Sinks
Convoluted Fin Design and Stock
Aluminum Extrusion Profiles



Series Accessory Products
120               High-performance silicone oil-based thermal compounds
126               High-performance nonsilicone-based thermal compounds
151               Thermally conductive dielectric epoxy coating
152               Thermally conductive bonding adhesive.
153               Thermally conductive pouring casting resin
154               Medium viscosity aluminum filled resin
155               Thermally conductive epoxy adhesive
156               Thermally conductive adhesive
100-113           Teflon and nylon mounting insulators, washers, brackets, adapters
115/116/117/118   PC board wavesolderable fasteners
160-IT/260-IT     Installation tools
170/171/172       Aluminum insulating wafers
173/174           Delta Pads - Thermally conductive insulators
175               Greaseless thermally conductive Kapton® reinforced insulator
177               Thermally conductive insulating beryllium oxide wafers and washers
178/179           Thermally conductive pressure-sensitive adhesive tapes
Kit No. 100       Board level power semiconductor engineering evaluation heat sink kit
Kit No. 200       Integrated circuit cooling engineering evaluation kit. Various 
                  heat sinks for microprocessors, ASICs, and integrated circuits
Kit No. 300       Integrated circuit engineering evaluation kit for Intel PentiumTM
                  processors and IntelDX4TM processors



Precision Compression Clamp Systems

Device Diameter (max)    Force Range (max)    Series
in. (mm)    lbs (kg)

    2.250   (57.2)        2,000   (907.2)     130
    3.500   (88.9)        5,000  (2268.0)     139
    3.500   (88.9)        6,000  (2721.6)     143
    4.000  (101.6)        6,000  (2721.6)     144
    4.500  (114.3)       10,000  (4535.9)     145
    5.250  (133.4)       16,000  (7257.5)     146
Press Pack Heat Sinks                         131/132/133
Press Pack Extrusions



Active Cooling Products

Description                     Mounting Pattern                    Series

Liquid-Cooled Chill Blocks      Press Pack    135/137
Liquid Cold Plates              General, Isolated Flat Base         180-10/180-11
Liquid Cold Plates              General, Isolated Flat Base         180-12/180-20
Liquid Cold Plates              TO-3, General, isolated Flat Base   180-26
Custom Liquid Cold Plates       General, Isolated Flat Base         180



Technical Information and Products

Technical Discussion Section
Integrated Circuit Heat Sinks
Custom Aluminum Extrusion Profiles
Custom Fabrications and Assemblies
Design and Manufacturing Capabilities
Extrusion Design and Standard Tolerances


© 1995 Wakefield Engineering
Bullet Heat Sink Extrusion Profiles Bullet Compression Mounting Clamp
Bullet Semiconductor Heat Sink Selection Bullet Thermal Compounds/Adhesives
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414-327-1555
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Catalog, Quote, Availability.

© 2007 Industrial Electronics By Ross LLC