Table of Contents
General Information
How to Use This Standard Part Catalog.................................................................................................................................................................................................................... 2
Index by Part Number..................................................................................................................................................................................................................................................... 3
Index by Device and Thermal Resistance............................................................................................................................................................................................................ 4–5
Index by Style and Thermal Resistance................................................................................................................................................................................................................6–8
How to Select a Heat Sink...................................................................................................................................................................................................................................... 9–10
How to Read a Thermal Graph...................................................................................................................................................................................................................................11
Board Mounted Heat Sinks
Heat Sinks for IC Packages
BGA......................................................................................................................................................................................................................................................... 12–19
DIP........................................................................................................................................................................................................................................................... 21–23
Surface Mount Discrete Semiconductor Packages
D-PAK..................................................................................................................................................................................................................................................... 24–25
SO................................................................................................................................................................................................................................................................... 24
SMT Footprints.......................................................................................................................................................................................................................................... 26
Thru-Hole Discrete Semiconductor Packages
TO-220.................................................................................................................................................................................................................................................. 27–50
TO-220 and TO-262.......................................................................................................................................................................................................................... 51–53
TO-220, TO-218, and TO-247......................................................................................................................................................................................................... 53–58
TO-220 and TO-202.................................................................................................................................................................................................................................. 59
TO-220, TO-218, TO-247, and Multiwatt.................................................................................................................................................................................... 60–61
TO-218.......................................................................................................................................................................................................................................................... 62
TO-202................................................................................................................................................................................................................................................... 63–64
TO-126.......................................................................................................................................................................................................................................................... 65
SIP............................................................................................................................................................................................................................................................ 66–67
TO-92............................................................................................................................................................................................................................................................. 68
TO-3........................................................................................................................................................................................................................................................ 69–73
TO-66............................................................................................................................................................................................................................................................. 74
TO-5........................................................................................................................................................................................................................................................ 75–76
Axial Lead Devices.................................................................................................................................................................................................................................... 77
Bridge Rectifiers........................................................................................................................................................................................................................................ 77
Options
Table of Contents.................................................................................................................................................................................................................................................... 78–79
How to Decipher an Aavid 13 Digit Part Number.............................................................................................................................................................................................. 80
How to Decipher a "Thermalloy" Origin Part Number...................................................................................................................................................................................... 81
Index A, B, C = Aavid Standard Parts w/Options.......................................................................................................................................................................................... 82–84
Index D = "Thermalloy" Origin Parts w/Options................................................................................................................................................................................................. 85
Interface Materials
In-Sil™, Kondux™, Grafoil® Pads.............................................................................................................................................................................................................................. 86
Hi-Flow®, Alignment Pads.......................................................................................................................................................................................................................................... 87
Double Sided Tape Options (Factory Applied).................................................................................................................................................................................................... 88
Labor Saving Heat Sink to Board and Semiconductor Mounts
Wave-On™ Mounts, Semiconductor Mounts, Shur-Lock™ Tabs, Solderable Tabs, Solderable Pins......................................................................................... 89–94
Solderable Nuts, Clinch Nuts, Solderable Studs, Device Mounting Studs.......................................................................................................................................... 94–96
Clips
Kool-Klips™....................................................................................................................................................................................................................................................................... 97
Thermal Clips....................................................................................................................................................................................................................................................................98
Accessories
Mounting Kits........................................................................................................................................................................................................................................................................................ 99
Insulating Shoulder Washers......................................................................................................................................................................................................................................................... 100
Insulators–Thermalfilm™ and Thermalfilm™ MT......................................................................................................................................................................................................... 101–102
Insulators–Mica and Thermasil™ III............................................................................................................................................................................................................................................. 103
Insulating Washers/Aluminum Oxide......................................................................................................................................................................................................................................... 104
Insulating Stanchion Pads.............................................................................................................................................................................................................................................................. 105
Insulating Covers................................................................................................................................................................................................................................................................................106
Mounting Pads.......................................................................................................................................................................................................................................................................... 107–109
Finishes.................................................................................................................................................................................................................................................................................................. 110
Card Ejectors & Guides.................................................................................................................................................................................................................................................................... 111
Thermal Greases and Epoxies..............................................................................................................................................................................................................................................112–115
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1
TABLE OF CONTENTS
How to Use This Catalog
Base part
number
Semiconductor
device
Style description
for heat sink
Icons indicate that
a mounting kit, grease
or epoxy can be used
with the heat sink
TO-220 Heat Sinks
7022
Channel style heat sink with folded back fins
Thermal graphs show natural and forced
convection based on black anodize finish.
For information on how to use a thermal graph,
please refer to page 11.
GENERAL INFORMATION
Grease
&
Epoxy
page112
Mounting
Kits
page 99
Semiconductor devices
have been included in photos to
assist in determining mounting
position.
Mechanical drawing
dimensions as shown
are mm (inches)
0
100
Mounting Surface Temp
Rise Above Ambient—°C
80
60
40
20
0
0
Air Velocity—Feet Per Minute
400
200
600
800
9.52
(0.375)
1000
Thermal Resistance From MTG
Surface to Ambient—°C/Watt
5
4
3
2
1
0
2x ø 3.81
(0.150)
23.01
(0.906)
50.44
(1.986)
"X"
21.03
(0.828)
4.83
(0.190)
2x 3.81
(0.150)
2.67
(0.105)
TAB
2x 2.03
(0.080)
24.16
(0.951)
Material: 1.27 (0.050) Thick Aluminum
Finish: See Table
Detailed description
illustrates the heat sink’s
differentiating features.
49.99
(1.968)
14.48
(0.570)
2.02
(0.080)
4
8
12
16
Heat Dissipated—Watts
20
Channel style heat sink with
folded back fins
for increased
cooling surface area. Available
with tin plated solderable tabs
for easy attachment to the
printed circuit card.
ORDERING INFORMATION
Part Number
7022BG
7022PBG
7022B-MTG
7022PB-MTG
Description
Channel heat sink with folded back fins
Channel heat sink with folded back fins
With solderable tabs
With solderable tabs
4.44
(0.175)
3.18
(0.125)
2.29
(0.090)
Ordering information will
specify the base heat sink with
available accessories.
Dia of PCB
Plated Thru
Hole for Tabs
Material and finish
information is shown
for each part
Finish
Black anodize
Pre-black anodize*
Black anodize
Pre-black anodize*
2.90 (0.114)
2.90 (0.114)
* Edges cut during the manufacturing process will be unfinished.
See page XX for more information
POPULAR OPTIONS:
7022B-
Base part no.
Position
A
Code
TC11-MT
Description
G
A RoHS Compliant
Location
Hole X
Details
Page
Aavid has a large selection of popular
options to enhance your heat sink selection.
This section will indicate the most popular
options available.
Detailed indexes are available
to select additional options.
Insulated device mounting clip for T0-220 and solderable tabs
For additional options see page xx
2
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