TO-220 & TO-218 & TO-247 Heat Sinks
Grease
&
Mounting
Kits
page 99
Epoxy
BW38, BW50, BW63
Wide extruded heat sink with unequal channel
page112
Air Velocity—Feet Per Minute
200 600 800
400
0
1000
10
100
80
8
ø
3.6
60
6
(0.144)
"A"
21.60
40
4
2
0
20
0
(0.850)
0
4
8
12
16
20
Wide extruded heat sink with
Heat Dissipated—Watts
BW38
BW50
BW63
4.00
(0.157)
2.60
(0.101)
unequal channel widths on front
and back can accommodate a TO-220,
TO-218, or TO-247 device. Includes two
solderable mounting pins which permit
vertical mounting and eliminate stress
on device leads. Available in three heights.
Versions without hole use clip 6801 (sold
separately) to attach device. See page 97
for clip information.
25.40
(1.000)
34.90
(1.375)
25.40
(1.000)
12.70
(0.500)
2.00
(0.079)
Material: Aluminum
Finish: Black Anodize
Dia of PCB
Plated Thru
ORDERING INFORMATION
Part Number
BW38-2G
BW38-4G
BW50-2G
BW50-4G
BW63-2G
BW63-4G
Description
“A” Dim
Holes Hole for Pins
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)
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
Grease
Epoxy
page112
Mounting
&
Kits
5130, 5131, 5132, 5133 Extruded heat sink with radial fins
page 99
Air Velocity—Feet Per Minute
17.48
(0.688)
0
200
400
600
800
1000
10
100
80
8
6
4
2
60
40
"C"
"A"
20
0
0
0
0
2
4
6
8
10
Extruded heat sink with radial fins
feature 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.
Heat Dissipated—Watts
51300X
51310X
3.96
(0.156)
"B"
2x
Air Velocity—Feet Per Minute
400
600 800
3.18
(0.125)
200
1000
5
"E"
2x ø
100
2.37
(0.093)
80
60
40
4
3
2
1
25.40
(1.000)
1.57
(0.062)
12.70
(0.500)
20
0
0
0
2
4
6
8
10
"D"
Heat Dissipated—Watts
51320X
51330X
34.92
(1.375)
Dia of PCB
Plated Thru
Hole for Pins
ORDERING INFORMATION
Material: Aluminum
Finish: Black Anodize
Part Number
Device
“A” Dim
“B” Dim
“C” Dim
“D” Dim
“E” Dim
513001B02500G
513002B02500G
513101B02500G
513102B02500G
513201B02500G
513202B02500G
513301B02500G
513302B02500G
TO-218, TO-247
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)
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)
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)
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)
TO-218, TO-247
TO-220
TO-218, TO-247
TO-220
TO-218, TO-247
TO-220
For additional options see page 83
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