TO-220 & TO-218 & TO-247 Heat Sinks
Grease
&
Mounting
Kits
page 99
Epoxy
SW25, SW38, SW50, SW63
Extruded heat sink with unequal channel widths
page112
Air Velocity—Feet Per Minute
200 600 800
400
34.50
(1.358)
0
1000
10
6.25
(0.246)
100
80
2.00
(0.079)
8
12.50
(0.492)
60
6
40
4
2
0
SEE NOTE 1
20
0
0
0
2
4
6
8
10
Extruded heat sink with unequal
channel widths front and back
Heat Dissipated—Watts
SW25
SW38
Air Velocity—Feet Per Minute
200 600 800
400
can accommodate a TO-220, TO-218,
or TO-247 devices. Includes two solder-
able mounting pins which permit verti-
cal mounting and eliminate stress on
device leads. Available in three heights.
Version without hole uses clip 5901
(sold separately) to attach device.
See page 97 for clip information.
"A"
1000
10
100
80
25.00
(0.984)
19.90
(0.783)
8
15.00
(0.591)
60
6
ø
3.20
(0.126)TYP
40
4
2
0
4.00
(0.157)
2.50
(0.098)
20
0
25.40
(1.000)
0
2
4
6
8
10
Heat Dissipated—Watts
SW50
SW63
Dia of PCB
Plated Thru
Hole for Pins
ORDERING INFORMATION
Part Number
SW25-2G
SW25-4G
SW38-2G
SW38-4G
SW50-2G
SW50-4G
SW63-2G
SW63-4G
Description
“A” Dim
Holes
No
Extruded heat sink with unequal channel widths front and back
With device mounting holes
25.00 (0.984)
25.00 (0.984)
38.00 (1.496)
38.00 (1.496)
50.00 (1.968)
50.00 (1.968)
63.00 (2.480)
63.00 (2.480)
3.00 (0.118)
3.00 (0.118)
3.00 (0.118)
3.00 (0.118)
3.00 (0.118)
3.00 (0.118)
3.00 (0.118)
3.00 (0.118)
Yes
No
NOTE 1:This hole not present in SW25 model
Extruded heat sink with unequal channel widths front and back
With device mounting holes
Yes
No
Material: Aluminum
Finish: Black Anodize
Extruded heat sink with unequal channel widths front and back
With device mounting holes
Yes
No
Extruded heat sink with unequal channel widths front and back
With device mounting holes
Yes
Grease
&
Mounting
Kits
page 99
Epoxy
5297, 5298, 5299, 5300
Extruded heat sink with large radial fins
page112
Air Velocity—Feet Per Minute
20.96
(0.825)
0
200
400
600
800
1000
100
80
5
4
3
2
60
"C"
40
1
0
20
0
"A"
0
0
4
8
12
16
20
Heat Dissipated—Watts
52970X
52980X
Extruded heat sink with large radial
fins features equal channel widths on
both sides for single or dual device
mounting. Includes two solderable
mounting pins which permit vertical
mounting and eliminate stress on
device leads. Available in four heights
for TO-220, TO-218, and TO-247 devices.
"B"
Air Velocity—Feet Per Minute
200 600 800
400
3.96
(0.156)
2x
1000
100
5
3.18
(0.125)
80
60
40
4
3
2
13.72
(0.540)
14.22
(0.560)
ø
2.36
(0.093) 2x
25.40
(1.000)
1
0
20
0
0
4
8
12
16
20
Heat Dissipated—Watts
52990X
53000X
1.57
(0.062)
Dia of PCB
Plated Thru
Hole for Pins
25.40
(1.000)
ORDERING INFORMATION
Part Number
Device
“A” Dim
“B” Dim
“C” Dim
529701B02500G TO-218, TO-247
529702B02500G TO-220
25.40 (1.000)
25.40 (1.000)
38.10 (1.500)
38.10 (1.500)
50.80 (2.000)
50.80 (2.000)
63.50 (2.500)
63.50 (2.500)
21.59 (0.850)
18.29 (0.720)
21.59 (0.850)
18.29 (0.720)
21.59 (0.850)
18.29 (0.720)
21.59 (0.850)
18.29 (0.720)
3.66 (0.144)
3.17 (0.125)
3.66 (0.144)
3.17 (0.125)
3.66 (0.144)
3.17 (0.125)
3.66 (0.144)
3.17 (0.125)
2.67 (0.105)
2.67 (0.105)
2.67 (0.105)
2.67 (0.105)
2.67 (0.105)
2.67 (0.105)
2.67 (0.105)
2.67 (0.105)
17.02
(0.670)
529801B02500G TO-218, TO-247
529802B02500G TO-220
41.91
(1.650)
529901B02500G TO-218, TO-247
529902B02500G TO-220
Material: Aluminum
Finish: Black Anodize
530001B02500G TO-218, TO-247
530002B02500G TO-220
For additional options see page 83
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