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TO-220 & TO-218 & TO-247 Heat Sinks
BW38, BW50, BW63
Wide extruded heat sink with unequal channel
Grease
&
Epoxy
page112
Mounting
Kits
page 99
Air Velocity — Feet Per Minute
0
200
400
600 800
1000
100
80
10
8
60
40
20
0
6
4
2
0
? 3.6
(0.144)
"A"
21.60
(0.850)
2.60
Wide extruded heat sink with
unequal channel widths on front
and back can accommodate a TO-220,
BW38
BW50
BW63
0
4
8 12 16
Heat Dissipated — Watts
20
25.40
4.00
(0.101) (0.157)
TO-218, or TO-247 device. Includes two
solderable mounting pins which permit
vertical mounting and eliminate stress
(1.000)
34.90
(1.375)
on device leads. Available in three heights.
Versions without hole use clip 6801 (sold
separately) to attach device. See page 97
for clip information.
ORDERING INFORMATION
Dia of PCB
Plated Thru
12.70
(0.500)
25.40
(1.000)
2.00
(0.079)
Material: Aluminum
Finish: Black Anodize
Part Number
Description
“A” Dim
Holes Hole for Pins
BW38-2G
BW38-4G
BW50-2G
BW50-4G
BW63-2G
BW63-4G
Extruded heat sink with unequal channel widths front and back
With device mounting hole
Extruded heat sink with unequal channel widths front and back
With device mounting hole
Extruded heat sink with unequal channel widths front and back
With device mounting hole
38.00 (1.496)
38.00 (1.496)
50.00 (1.968)
50.00 (1.968)
63.00 (2.480)
63.00 (2.480)
No
Yes
No
Yes
No
Yes
3.00 (0.118)
3.00 (0.118)
3.00 (0.118)
3.00 (0.118)
3.00 (0.118)
3.00 (0.118)
5130, 5131, 5132, 5133
Extruded heat sink with radial fins
Grease
&
Epoxy
page112
Mounting
Kits
page 99
100
0
200
Air Velocity—Feet Per Minute
400 600 800
1000
10
17.48
(0.688)
80
60
8
6
40
20
0
4
2
0
"A"
"C"
Extruded heat sink with radial fins
51300X
0
2
4 6
Heat Dissipated—Watts
8
10
feature equal channel widths on
both sides for single or dual device
51310X
"B"
2x 3.96
(0.156)
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.
100
80
60
0
200
Air Velocity—Feet Per Minute
400 600 800
1000
5
4
3
3.18
(0.125)
"E"
25.40
(1.000)
1.57
2x ? 2.37
(0.093)
40
20
0
2
1
0
12.70
(0.500)
(0.062)
0
2
4 6
8
10
"D"
ORDERING INFORMATION
51320X
51330X
Heat Dissipated—Watts
Dia of PCB
Plated Thru
34.92
(1.375)
Material: Aluminum
Part Number
513001B02500G
513002B02500G
513101B02500G
513102B02500G
513201B02500G
513202B02500G
513301B02500G
513302B02500G
Device
TO-218, TO-247
TO-220
TO-218, TO-247
TO-220
TO-218, TO-247
TO-220
TO-218, TO-247
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)
63.50 (2.500)
63.50 (2.500)
“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)
21.59 (0.850)
18.29 (0.720)
“C” Dim
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)
“D” Dim
17.02 (0.670)
15.88 (0.625)
17.02 (0.670)
15.88 (0.625)
17.02 (0.670)
15.88 (0.625)
17.02 (0.670)
15.88 (0.625)
“E” Dim
13.72 (0.540)
11.10 (0.437)
13.72 (0.540)
11.10 (0.437)
13.72 (0.540)
11.10 (0.437)
13.72 (0.540)
11.10 (0.437)
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)
2.67 (0.105)
2.67 (0.105)
Finish: Black Anodize
For additional options see page 83
AMERICA
USA Tel: +1 (603) 224-9988 email: info@aavid.com
ASIA
Singapore Tel: +65 6362 8388 email: sales@aavid.com.sg
58
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
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