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PARAMETRIC SEARCH: HEAT SINKS
TO-220, PCB, STAMPED, 20 MM, HEAT SINKS
Show Filters
Package Cooled
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TO-218
TO-220
TO-252
TO-263
Mounting Style
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PCB
Surface Mount
Heat Sink Type
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Extruded
Stamped
Solder Pin Orientation
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3.5
Horizontal
No Pin
Vertical
Solder Pin Length (mm)
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Min
Max
GO
2.3
2.6
2.65
2.8
2.95
3.5
3.96
4
4.3
4.5
5
5.03
5.08
5.3
6.1
6.35
6.5
7.4
8.5
9.5
9.53
9.7
R
th
@ 75°C ΔT, nat conv (°C/W)
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Min
Max
GO
4.49
4.97
5.21
5.47
5.77
5.86
6.15
6.25
6.41
6.94
7.5
7.58
7.65
7.81
7.98
8.06
8.15
8.24
8.43
9.15
9.26
9.38
9.62
9.74
10.14
10.27
10.71
10.87
11.03
11.19
11.54
11.72
12.1
12.5
12.71
12.93
13.16
13.64
14.42
14.71
15
15.79
15.83
15.96
16.3
17.05
17.74
18.29
18.34
18.63
19.22
19.74
19.75
20.27
20.59
20.83
22.06
23.81
24.19
25.86
25.92
26.13
26.32
27.78
28.85
29.09
33.28
35.71
R
th
@ 1 W, nat conv (°C/W)
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Min
Max
GO
6.61
7.36
7.62
7.9
7.99
8.05
8.34
8.51
8.52
8.63
8.71
8.94
9.28
9.37
9.81
9.93
10.49
10.51
10.52
10.92
10.96
11.01
11.06
11.15
11.17
11.54
11.67
12.28
12.29
12.33
12.98
12.99
13.03
13.19
13.31
13.52
13.6
13.64
13.97
14.33
14.35
14.4
15
15.27
15.42
15.97
16.12
16.16
16.65
17.13
17.29
18.58
18.99
19.57
19.73
20.24
20.27
20.74
20.99
21.9
21.92
22.14
22.39
22.47
22.64
23.05
23.32
24.3
24.62
26.05
27.22
30.28
30.86
31.07
31.83
31.94
32.65
33.89
33.93
35.46
37.62
40.16
41.98
R
th
@ 1 W, 200 LFM (°C/W)
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Min
Max
GO
2.01
2.24
2.29
2.31
2.38
2.45
2.57
2.63
2.67
2.78
2.85
2.88
2.91
2.98
3.09
3.26
3.28
3.32
3.44
3.47
3.51
3.52
3.53
3.62
3.63
3.64
3.66
3.73
3.76
3.79
3.86
3.94
4.03
4.05
4.2
4.28
4.33
4.35
4.38
4.39
4.42
4.44
4.46
4.49
4.51
4.76
4.85
4.93
5.01
5.17
5.39
5.44
5.5
5.72
5.77
5.83
5.87
5.88
6.12
6.32
6.4
6.5
6.84
6.86
7.05
7.07
7.24
7.45
7.46
7.51
7.74
8.15
8.18
8.36
9.51
10.05
10.49
10.68
11.04
R
th
@ 1 W, 400 LFM (°C/W)
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Min
Max
GO
1.22
1.55
1.66
1.71
1.79
1.8
1.82
1.86
1.91
2.07
2.09
2.12
2.13
2.14
2.21
2.25
2.31
2.42
2.43
2.44
2.48
2.49
2.5
2.52
2.56
2.57
2.6
2.74
2.76
2.8
2.82
2.84
2.86
2.88
2.89
2.97
2.98
3
3.1
3.17
3.21
3.27
3.28
3.3
3.31
3.4
3.44
3.68
4
4.01
4.1
4.13
4.17
4.22
4.48
4.51
4.58
4.74
4.85
5.05
5.08
5.18
5.2
5.56
5.76
5.77
5.79
5.84
6.09
6.25
6.41
6.53
6.81
6.84
7.87
7.88
8.48
PD @ 75°C ΔT, nat conv (W)
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Min
Max
GO
2.1
2.25
2.58
2.6
2.7
2.85
2.87
2.89
2.9
3.1
3.15
3.4
3.6
3.64
3.7
3.8
3.9
4.02
4.09
4.1
4.23
4.4
4.6
4.7
4.74
4.75
5
5.1
5.2
5.5
5.7
5.8
5.9
6
6.2
6.4
6.5
6.7
6.8
6.9
7
7.3
7.4
7.7
7.8
8
8.1
8.2
8.9
9.1
9.2
9.3
9.4
9.6
9.8
9.9
10
10.8
11.7
12
12.2
12.8
13
13.7
14.4
15.1
16.7
Length (mm)
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Min
Max
GO
8
14.99
15
17.78
18.79
19
19.05
19.38
20
24.4
25
25.4
27
29.97
30
31.75
31.8
35
36.83
38
38.1
41
42.5
50
50.8
63
63.5
Width (mm)
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Min
Max
GO
12.7
12.8
13
13.21
16
16.5
17.8
19
19.7
19.8
20
21.1
22
22.2
22.86
25
25.4
25.91
29
30
32
34.5
34.92
35
41.6
42
44.45
45
51
Height (mm)
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Min
Max
GO
5.35
6.35
7.1
7.7
9.4
9.5
9.52
9.53
10
10.16
11
11.2
11.43
12
12.5
12.7
14
16
18.5
21.59
25
25.4
Material
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AL1050
AL1100
AL5052
AL6063-T5
C1100
Material Finish
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Black Anodized
Tin Plated
R
th
= Thermal Resistance, PD = Power Dissipation
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Heat Sink Calculator
2
Items
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25
Model Number
Package Cooled
Solder Pin Orientation
Solder Pin Length (mm)
Thermal Resistance @ 1 W, nat conv (°C/W)
Dimensions LxWxH (mm)
Material
Material Finish
Data Sheet
Stock Check
HSS-B20-085H
TO-220
Horizontal
8.5
26.05
20 x 19.7 x 7.7
AL5052
Black Anodized
--
HSS-B20-NP-01
TO-220
No Pin
--
21.92
20 x 19.7 x 7.7
AL5052
Black Anodized
--
2
Items
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