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TO-220 Heat Sinks
6238, 6239
Channel style heat sink with integrated clip
B
5.08
(0.200)
1.90
(0.075)
19.05
8.00
(0.750)
2.67
(0.105)
10.80
(0.315)
Channel style heat sink with
2.02
(0.080)
(0.425)
24.38
(0.960)
TAB
"A"
3.17
(0.125)
SECTION B-B
integrated clip features strong
spring tension and device lock-
ing tab to attach device securely
to the heat sink. Available with
solderable tabs for vertical
mount or without tabs for
mounting horizontally.
15.49
(0.610)
16.51
(0.650)
25.53
(1.005)
AT BASE
B
Material: 1.02 (0.040) Thick Aluminum
Finish: Black Anodize
Air Velocity—Feet Per Minute
0
200
400
600 800
1000
100
10
ORDERING INFORMATION
Dia of PCB
Plated Thru
80
8
Part Number
6238BG
6238B-MTG
6239B-MTG
Description
Channel heat sink with integral clip, no solderable tab
With solderable mounting tabs
With solderable mounting tabs
“A” Dim
10.16 (0.400)
6.99 (0.275)
Hole for Tabs
2.90 (0.114)
2.90 (0.114)
60
40
20
0
6
4
2
0
For additional options see page 85
0
1
2 3 4
5
Heat Dissipated—Watts
5342
Channel style heat sink with convenient clip
FIGURE A
CLIP 53
FIGURE B
Grease
&
Epoxy
page112
Mounting
Kits
page 99
13.84
25.40
(1.000)
(0.545)
3.96
(0.156)
12.06
(0.475)
25.40
(1.000)
3.17
14.12
(0.556)
“A”
(0.125)
14.12
(0.556)
“A”
Channel style heat sink features
a dittin to locate the device and
17.78
(0.700)
CL
9.78
(0.385)
29.97
(1.180)
17.7 8
(0.700)
CL
9.7 8
(0.3 8 5)
29.97
(1.1 8 0)
a convenient clip to eliminate the
need for mounting hardware. The
twisted fins increase cooling effi-
ciency. Available in two solderable
mounting tab styles. Can be ordered
3.12
(0.123)
22.35
(0.880)
1.60
0.762 (0.063)
(0.030)
12.70
(0.500)
9.27
(0.365)
4.27
(0.170)
0. 8 1
(0.032)
23.93
(0.942)
1.90
(0.075)
12.70
(0.500)
10.16
(0.400)
without the ditton if electrical isola-
tion is required or for mounting
tabless packages.
Material: 1.27 (0.050) Thick Aluminum
Finish: Black Anodize
With Shur-Lock tabs and clip
With Shur-Lock tabs and clip
ORDERING INFORMATION
Part Number Description
534202B02853G
TM
534202B03453G
With solderable mounting tabs and clip
534265B02853G
TM
534265B03453G
With solderable mounting tabs and clip
Figure
A
B
A
B
“A” Dim
Dia 3.05(0.120) x 0.64(0.025) High Dittin
Dia 3.05(0.120) x 0.64(0.025) High Dittin
No Dittin
No Dittin
Dia of PCB
Plated Thru
Hole for Tabs
2.39 (0.094)
2.39 (0.094)
2.39 (0.094)
2.39 (0.094)
100
80
60
40
0
Air Velocity—Feet Per Minute
200 400 600 800
1000
10
8
6
4
For additional options see page 82
20
0
2
0
0
2
4 6 8
10
Heat Dissipated—Watts
AMERICA
USA Tel: +1 (603) 224-9988 email: info@aavid.com
ASIA
Singapore Tel: +65 6362 8388 email: sales@aavid.com.sg
www.aavidthermalloy.com
EUROPE
Italy Tel: +39 051 764011 email: sales.it@aavid.com
United Kingdom Tel: +44 1793 401400 email: sales.uk@aavid.com
Taiwan Tel: +886(2) 2698-9888 email: sales@aavid.com.tw
37
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