TO-220 Heat Sinks
THRU HOLE DISCRETE SEMICONDUCTOR PACKAGES
5744, 5745, 5746, 5749
Low cost, labor saving, slide on heat sink featuring spring action
FIGURE A
21.08
(0.830)
HOLDING TABS
3.18
(0.125)
9.02
(0.355)
21.84
(0.860)
DITTIN
ø 3.81
(0.150)
4.19
(0.165)
DITTIN
FIGURE B
HOLDING TABS
9.02
(0.355)
21.84
(0.860)
Low cost, labor saving, slide on
heat sink features spring action
to firmly hold the device tab to the
heat sink providing maximum
metal to metal contact and good
thermal conduction. Available with
solderable tabs for horizontal or
vertical mounting to the PC board.
10.03
(0.395)
14.99
11.81 (0.590)
(0.465)
1.57
(0.062)
Material: 0.63 (0.025) Thick Aluminum
Finish: Black Anodize
"A"
"A"
14.99
(0.590)
11.81
(0.465)
9.52
(0.375)
9.52
(0.375)
20.57
(0.810)
10.03
(0.395)
1.57
(0.062)
5.33
(0.210)
0
Mounting Surface Temp
Rise Above Ambient—°C
Air Velocity—Feet Per Minute
400
200
600
800
ORDERING INFORMATION
Part Number
574402B00000
574402B03200
574502B00000
574502B03300
574602B00000
574602B03300
574902B00000
574902B03300
Description
Low cost slide on heat sink
With solderable tabs for horizontal mounting
Low cost slide on heat sink
With solderable tabs for vertical mounting
Low cost slide on heat sink
With solderable tabs for vertical mounting
Low cost slide on heat sink
With solderable tabs for vertical mounting
Figure
A
A
B
B
B
B
B
B
“A” Dim
19.05 (0.750)
19.05 (0.750)
19.05 (0.750)
19.05 (0.750)
17.53 (0.690)
17.53 (0.690)
34.92 (1.375)
34.92 (1.375)
Dia of PCB
Plated Thru
Hole for Tabs
80
60
40
20
0
0
1
2
3
4
Heat Dissipated—Watts
Air Velocity—Feet Per Minute
400
600
800
5
16
12
8
4
0
1.91 (0.075)
1.91 (0.075)
574402
574502
1.91 (0.075)
For additional options see page 82
80
60
40
20
0
0
1
2
3
4
Heat Dissipated—Watts
5
16
12
8
4
0
574602
574902
5741
Low cost, labor saving, slide on heat sink featuring spring action
Air Velocity—Feet Per Minute
400
200
600
800
Mounting
Kits
page 99
0
100
Mounting Surface Temp
Rise Above Ambient—°C
80
60
40
20
0
0
Thermal Resistance From MTG
Surface to Ambient—°C/Watt
1000
20
16
12
8
4
0
9.02
(0.355)
21.84
(0.860)
ø 3.81
(0.150)
THRU
14.99
11.81
(0.590)
(0.465)
20.57
(0.810)
19.05
(0.750)
7.62
(0.300)
CLEARANCE
Low cost, labor saving, slide on heat sink
features spring action
to firmly hold the
device tab to the heat sink providing maxi-
mum metal to metal contact and good thermal
conduction. Includes a clearance hole in the
top side to allow the use of optional hardware
to attach device and heat sink to circuit board
or other surface. Also available with solderable
tabs for vertical mounting to the PC board.
ORDERING INFORMATION
Part Number
574102B00000
574102B03300
Description
Low cost slide on heat sink
With solderable tabs
1.91 (0.075)
Dia of PCB
Plated Thru
Hole for Tabs
DITTIN
1
2
3
4
Heat Dissipated—Watts
5
9.52
(0.375)
5.33
(0.210)
10.03
(0.395)
Material: 0.63 (0.025) Thick Aluminum
Finish: Black Anodize
1.57
(0.062)
POPULAR OPTIONS:
574102B0 00 00
Base part no.
Position
A
Code
37
Description
Solderable tab with step to limit insertion depth
A
Details
Page 92
For additional options see page 82
AMERICA
EUROPE
www.aavidthermalloy.com
USA
Tel: +1 (603) 224-9988 email: info@aavid.com
Italy
Tel: +39 051 764011 email: sales.it@aavid.com
United Kingdom
Tel: +44 1793 401400 email: sales.uk@aavid.com
ASIA
Singapore
Tel: +65 6362 8388 email: sales@aavid.com.sg
Taiwan
Tel: +886(2) 2698-9888 email: sales@aavid.com.tw
Thermal Resistance From MTG
Surface to Ambient—°C/Watt
1.91 (0.075)
Mounting Surface Temp
Rise Above Ambient—°C
0
100
200
1000
20
Thermal Resistance From MTG
Surface to Ambient—°C/Watt
100
1000
20
45
TO-220 Heat Sinks
THRU HOLE DISCRETE SEMICONDUCTOR PACKAGES
5425
Space saving staggered fin heat sink
Grease
&
Epoxy
page112
Mounting
Kits
page 99
0
100
Mounting Surface Temp
Rise Above Ambient—°C
80
60
40
20
0
0
Air Velocity—Feet Per Minute
400
200
600
800
Thermal Resistance From MTG
Surface to Ambient—°C/Watt
1000
20
16
12
8
4
0
10.67
(0.420)
ø 3.17
(0.125)
THRU
31.75
(1.250)
Space saving staggered fin heat
sink for vertical mounting
T0-220
devices. Features integrated solderable
mounting tabs that can be twisted for
attachment to the PC board. Heat sink
is also available with tin plating for
soldering directly to the PC board.
ORDERING INFORMATION
Part Number
542502B00000
542502D00000
Finish
Black anodize
Tin plated
Dia of PCB
Plated Thru
Hole for Tabs
2.39 (0.094)
2.39 (0.094)
19.56
(0.770)
1
2
3
4
Heat Dissipated—Watts
5
3.96
(0.156)
17.78
(0.700)
22.22
(0.875)
6.35
(0.250)
1.57
(0.062)
8.89
(0.350)
1.27
(0.050)
For additional options see page 82
Material: 1.27 (0.050) Thick Aluminum
Finish: See Table
5925
Space saving twisted fin heat sink
Grease
&
Epoxy
page112
Mounting
Kits
page 99
0
100
Mounting Surface Temp
Rise Above Ambient—°C
80
60
40
20
0
0
200
Air Velocity—Feet Per Minute
400
600
800
16
12
8
4
0
1
2
3
4
Heat Dissipated—Watts
5
Thermal Resistance From MTG
Surface to Ambient—°C/Watt
1000
20
22.20
(0.875)
ø 3.17 THRU
(0.125)
6.35
(0.250)
C
L
31.75
(1.250)
19.56
(0.770)
Space savings twisted fin heat sink
for vertical mounting
T0-220 devices.
Features staked on solderable mounting
tabs for easy attachment to the PC board.
ORDERING INFORMATION
Part Number
592502B03400
592502U03400
Finish
Black anodize
Unfinished
Dia of PCB
Plated Thru
Hole for Tabs
2.39 (0.094)
2.39 (0.094)
5.03
(0.198)
17.78
(0.700)
1.91 2x
(0.075)
Material: 1.27 (0.050) Thick Aluminum
Finish: See Table
For additional options see page 82
AMERICA
EUROPE
www.aavidthermalloy.com
USA
Tel: +1 (603) 224-9988 email: info@aavid.com
Italy
Tel: +39 051 764011 email: sales.it@aavid.com
United Kingdom
Tel: +44 1793 401400 email: sales.uk@aavid.com
ASIA
Singapore
Tel: +65 6362 8388 email: sales@aavid.com.sg
Taiwan
Tel: +886(2) 2698-9888 email: sales@aavid.com.tw
49
TO-220 Heat Sinks
5751, 5793, 5794
Snap down style heat sink featuring two side fins
FIGURE A
12.32
(0.485)
14.22
(0.560)
19.05
(0.750)
FIGURE B
ø 3.15
(0.124)
LOCKING CATCH
THRU HOLE DISCRETE SEMICONDUCTOR PACKAGES
ø 3.81
(0.150)
THRU
24.89
(0.980)
19.05
(0.750)
28.45
(1.120)
11.18
(0.440)
View A-A
579302
Material: 0.63 (0.025) Thick Aluminum
Finish: Black Anodize
Snap down style heat sink feature
two side fins that act as springs
to hold the semiconductor firmly
to the heat sink. Models include an
integrated clip and device locking
catch for more robust applications.
Available for both standard and
bevel edged TO-220 packages.
"A"
"A"
11.18
(0.440)
View A-A
579402
11.18
(0.440)
0
100
200
Air Velocity—Feet Per Minute
400
600
800
ORDERING INFORMATION
Part Number
575102B00000
579302B00000
579402B00000
Description
Snap down heat sink
With integrated clip and locking catch
With integrated clip and locking catch
for T0-220 with beveled edge
Figure
A
B
B
80
60
40
20
0
0
1
2
3
4
Heat Dissipated—Watts
5
8
6
4
2
0
For additional options see page 82
579302
579402
0
100
Mounting Surface Temp
Rise Above Ambient—°C
80
60
40
20
0
0
575102
200
Air Velocity—Feet Per Minute
400
600
800
16
12
8
4
0
1
2
3
4
Heat Dissipated—Watts
5
46
AMERICA
EUROPE
www.aavidthermalloy.com
USA
Tel: +1 (603) 224-9988 email: info@aavid.com
Italy
Tel: +39 051 764011 email: sales.it@aavid.com
United Kingdom
Tel: +44 1793 401400 email: sales.uk@aavid.com
ASIA
Singapore
Tel: +65 6362 8388 email: sales@aavid.com.sg
Taiwan
Tel: +886(2) 2698-9888 email: sales@aavid.com.tw
Thermal Resistance From MTG
Surface to Ambient—°C/Watt
1000
20
Thermal Resistance From MTG
Surface to Ambient—°C/Watt
1000
10
Mounting Surface Temp
Rise Above Ambient—°C
TO-220 & TO-262 Heat Sinks
5768
Plug in style heat sink featuring four spring action clips
FIGURE A
FIGURE B
THRU HOLE DISCRETE SEMICONDUCTOR PACKAGES
19.05
(0.750)
14.48
(0.570)
MAX
6.22
(0.245)
14.48
(0.570)
MAX
Plug in style heat sink features
four spring action clips
to firmly
hold the device to the heat sink
ensuring maximum metal to
metal thermal contact. Available
with solderable mounting tabs
for both horizontal and vertical
mounting to the PC board.
12.70
(0.500)
12.70
(0.500)
0.813
(0.032)
4.19
(0.165)
4.06
(0.160)
12.70
(0.500)
1.27
(0.050)
19.05
(0.750)
0.81
(0.032)
12.70
(0.500)
1.27
(0.050)
Material: 0.81 (0.032) Thick Aluminum
Finish: See Table
ORDERING INFORMATION
Part Number
576802B00000
576802C00000
576802U00000
576802B03100
576802C03100
576802U03100
576802B04000
576802C04000
576802U04000
Description
Slim plug in heat sink
Slim plug in heat sink
Slim plug in heat sink
With single tab for horizontal mounting
With single tab for horizontal mounting
With single tab for horizontal mounting
With single tab for vertical mounting
With single tab for vertical mounting
With single tab for vertical mounting
Figure
A
A
A
A
A
A
B
B
B
Finish
Black anodize
Gold chromate
Unfinished
Black anodize
Gold chromate
Unfinished
Black anodize
Gold chromate
Unfinished
80
60
40
20
0
0
1
2
3
4
Heat Dissipated—Watts
5
8
6
4
2
0
1.73 (0.068)
1.73 (0.068)
1.73 (0.068)
1.75 (0.069)
1.75 (0.069)
1.75 (0.069)
For additional options see page 84
PF432, PF433, PF434, PF435, PF436
FIGURE A
Plug in style heat sink features pre blackened finish
FIGURE B
19.50
(0.768)
0.40
(0.016)
13.00
(0.512)
12.70
(0.500)
5.70
(0.224)
12.70
(0.500)
7.50
ø
3.00
(0.295) (0.118)
Material: 0.71 (0.028) Thick Aluminum
Finish: Pre-Black Anodize*
FIGURE C
4.00
(0.157)
13.00
(0.512)
5.00
(0.197)
0.40
(0.016)
1.30
(0.051)
12.70
(0.500)
4.00
(0.157)
2.85
(0.112)
0.27
(0.010)
7.50
ø
3.00
(0.295) (0.118)
19.50
(0.768)
13.00
(0.512)
16.80
(0.661)
19.50
(0.768)
Plug in style heat sink features
Pre-blackened finish
and two
spring action clips to firmly hold
the device to the heat sink
ensuring maximum metal to
metal thermal contact. Available
with solderable mounting tabs
for both horizontal and vertical
mounting to the PC board.
ORDERING INFORMATION
Part Number
PF432
PF433
PF434
PF435
PF436
Description
ø
3.00
(0.118)
12.00
(0.472)
"A"
1.30
(0.051)
Figure
A
A
B
A
C
Dim “A”
6.20 (0.244)
80
60
40
20
0
0
1
2
3
Heat Dissipated—Watts
4
5
8
6
4
2
0
Plug in style heat sink with solderable tab, vertical mount
With vertical mount no tab
With solderable tab, horizontal mount
With solderable tab, vertical mount
With solderable tab offset from center, horizontal mount
1.60 (0.063)
1.60 (0.063)
9.50 (0.374)
1.60 (0.063)
1.60 (0.063)
*Edges cut during the manufacturing process will be unfinished.
See page 110 for more information
52
AMERICA
EUROPE
www.aavidthermalloy.com
USA
Tel: +1 (603) 224-9988 email: info@aavid.com
Italy
Tel: +39 051 764011 email: sales.it@aavid.com
United Kingdom
Tel: +44 1793 401400 email: sales.uk@aavid.com
ASIA
Singapore
Tel: +65 6362 8388 email: sales@aavid.com.sg
Taiwan
Tel: +886(2) 2698-9888 email: sales@aavid.com.tw
Thermal Resistance From
Case to Ambient—°C/Watt
Case Temp Rise
Above Ambient—°C
Dia of PCB
Plated Thru
Hole for Tabs
0
100
200
Air Velocity—Feet Per Minute
400
600
800
1000
10
Thermal Resistance From MTG
Surface to Ambient—°C/Watt
Mounting Surface Temp
Rise Above Ambient—°C
Dia of PCB
Plated Thru
Hole for Tabs
0
100
Air Velocity—Feet Per Minute
400
200
600
800
1000
10
TO-220 & TO-218 & TO-247 & Multiwatt Heat Sinks
THRU HOLE DISCRETE SEMICONDUCTOR PACKAGES
6374
Extruded heat sink for SIP packages
Air Velocity—Feet Per Minute
400
200
600
800
Grease
&
Epoxy
page112
ø 3.81
(0.150) 2X
Thermal Resistance From MTG
Surface to Ambient—°C/Watt
5
4
3
2
1
0
Mounting
Kits
page 99
0
100
Mounting Surface Temp
Rise Above Ambient—°C
80
60
40
20
0
0
1000
DETAIL A
31.75
(1.250)
17.78
(0.700)
3.96
(0.156)
2.18
(0.086)
Extruded heat sink
for SIP
packages. Solderable pins
allows vertical mounting
without stress on the device
leads. Can also be used for
dual TO-220, TO-218, TO-247,
and multiwatt devices.
ORDERING INFORMATION
Part Number
6374B
Description
Extruded heat sink with solderable pins
2
4
6
8
Heat Dissipated—Watts
10
17.50
(0.689)
24.38
(0.960)
59.99
(2.362)
32.00
(1.260)
SEE DETAIL A
16.00
(0.630)
Dia of PCB
Plated Thru
Hole for Pins
2.89 (0.114)
8.00
(0.315)
38.10
(1.500)
2.92
(0.115)
Material: Aluminum
Finish: Black Anodize
For additional options see page 85
YB32-4
High power flat back extruded channel style heat sink
0
100
Mounting Surface Temp
Rise Above Ambient—°C
80
60
40
20
0
0
2
4
6
Heat Dissipated—Watts
8
10
Air Velocity—Feet Per Minute
400
200
600
800
1000
10
8
6
4
2
0
Ø 3.10
(0.122)
THRU
Thermal Resistance From MTG
Surface to Ambient—°C/Watt
Grease
&
Epoxy
page112
Mounting
Kits
page 99
32.00
(1.260)
19.00
(0.748)
High power flat back extruded channel
style heat sink
features a wide channel
to accommodate several devices. Includes
two solderable pins to allow vertical
mounting without stress on the device
leads. Can be used with TO-220, TO-218,
TO-247, and multiwatt devices.
ORDERING INFORMATION
Part Number
YB32-4
Description
High power flat back extruded heat sink
2X 4.00
(0.157)
38.30
(1.508)
32.00
(1.260)
2X 3.00
(0.118)
16.00
(0.630)
Dia of PCB
Plated Thru
Hole for Pins
3.48 (0.137)
60.00
(2.362)
4.70
(0.185)
8.00
(0.315)
Material: Aluminum
Finish: Black Anodize
5810, 5811, 5812
Flat back extruded heat sink featuring solderable pins
Air Velocity—Feet Per Minute
400
200
600
800
8.13
(0.320)
Thermal Resistance From MTG
Surface to Ambient—°C/Watt
1000
10
8
6
4
2
0
0
58100X
58110X
58120X
1
2
3
Heat Dissipated—Watts
4
5
"B"
Grease
&
Epoxy
page112
Mounting
Kits
page 99
0
100
Mounting Surface Temp
Rise Above Ambient—°C
80
60
40
20
0
"A"
#6 - 32 UNC THRU
Flat back extruded heat sink features
solderable pins
which allow vertical
mounting without stess on the device
leads. Available in three heights for
TO-220 and TO-218 devices.
ORDERING INFORMATION
Part Number
581001B02500
581002B02500
581101B02500
581102B02500
581201B02500
581202B02500
Device
TO-218
TO-220
TO-218
TO-220
TO-218
TO-220
“A” Dim
25.40 (1.000)
25.40 (1.000)
38.10 (1.500)
38.10 (1.500)
50.80 (2.000)
50.80 (2.000)
“B” Dim
21.59 (0.850)
18.29 (0.720)
21.59 (0.850)
18.29 (0.720)
21.59 (0.850)
18.29 (0.720)
Dia of PCB
Plated Thru
Hole for Pins
2.67 (0.105)
2.67 (0.105)
2.67 (0.105)
2.67 (0.105)
2.67 (0.105)
2.67 (0.105)
3.96
(0.156)
10.29
(0.405)
2.36
(0.093)
TYP 2
16.26
(0.640)
3.45
(0.136)
16.26
(0.640)
For additional options see page 83
Material: Aluminum
Finish: Black Anodize
AMERICA
EUROPE
www.aavidthermalloy.com
USA
Tel: +1 (603) 224-9988 email: info@aavid.com
Italy
Tel: +39 051 764011 email: sales.it@aavid.com
United Kingdom
Tel: +44 1793 401400 email: sales.uk@aavid.com
ASIA
Singapore
Tel: +65 6362 8388 email: sales@aavid.com.sg
Taiwan
Tel: +886(2) 2698-9888 email: sales@aavid.com.tw
61
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