Table of Contents
TABLE OF CONTENTS
BGA Thermal Solutions Matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 Thermal Interface Material Part Number Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 Integrated Circuit Cooling Heat Sinks and Fan Heat Sinks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 – 21 Board Level Power Semiconductor Heat Sinks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 – 44 Heat sinks for microprocessors, ASICs, SRAM, BGAs, multichip modules, and other integrated circuits.
A wide variety of heat dissipators with various attachment mechanisms for surface mount and thru-hole power semiconductors packaged in industry standard plastic, ceramic, and metal cases such as D2Pak, TO-220, TO-3 to TO-247, DO-4 to DO-11, multiwatt, hex-type, and stud mount devices.
Extruded Heat Sinks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 – 52 For cooling single and multiple high power devices packaged in industry standard semiconductor case styles: TO-3 to TO-247, DO-4 to DO-30, hex-type, and stud mount; press pack devices; power modules; SCRs, IGBTs; I/0 devices; and other isolated flat base devices in both natural and forced convection.
Bonded Fin Heat Sinks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53 – 56
Precision Compression Clamp Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57 – 61 A variety of Natural Convection, Forced Convection, and Custom Bonded Fin Assemblies.
Mounting clamps for compression-type devices to 5,250 in. (133.4 mm) diameter and clamp force requirements ranging from 800 lbs. (262.9 kg) to 16,000 lbs. (7257.5 kg). A wide variety of Press Pack Heat Sinks are offered that are compatible with these mounting clamp series.
Cold Plates, Enclosures, Heat Exchangers and Formed Fin Assemblies . . . . . . . . . . . . . . . . . . . . . . . . . . . 62 – 63
Accessory Products . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64 – 68 For higher power applications where conventional cooling is no longer acceptable.
Cost-effective accessory products that facilitate installation and improve the thermal performance of both standard and custom heat dissipation components. Included are thermal joint compounds; filled epoxy systems; adhesives; thermally conductive insulating wafers, washers, pads and mounting hardware.
Aluminum Extrusion Profiles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69 – 155
Flatback Extrusions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69 – 123
L-style Extrusions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124 – 127 Center Channel Extrusions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127 – 133 Multi Channel Extrusions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133 – 135 Flatback with Integral Mounting Feet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .136 –139 T-style Extrusions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139 – 142 H-style Extrusions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142 – 148 Double-Sided Extrusions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148 Mounting Shelf Extrusions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148 – 149 Press Pack Extrusions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .150 – 151 Power Module Extrusions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152 Forced Convection Extrusions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152 – 153 Modular Extrusions/Enclosures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153 – 154 Hollow Extrusions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154 – 155
Part Number Reference Guide & Profile Number Reference Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156 – 159 Glossary of Terms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160 Miscellaneous Extrusions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155
Wakefield Engineering believes that information provided in this product catalog is accurate as of publication date. Product testing for proper performance in customer applications is recommended for all component designs and adhesives. Obtain mechanical samples of all assembly components and test to determine suitability. The physical properties reported herein are representative of performance values obtained by standard predictive and testing methods and exclude the interface resistance of any adhesive or other interface material in heat sink data. Wakefield Engineering is a manufacturer of heat dissipation products and reserves the right to make changes to its products without notice to improve the design or performance characteristics. All trademarks and tradenames used in this publication are for identification purposes only and may be trademarks of their respective companies. All specifications subject to change without notice. © 2007
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