TO-126 Heat Sinks
5775
Slip on heat sink
Air Velocity—Feet Per Minute
100
80
0
200
400
600 800
1000
20
16
13.21
(0.520)
60
12
40
8
19.81
(0.780)
Slip on heat sink requires no
hardware to attach to the device.
20
0
4
0
0.63
(0.025)
Spring pressure ensures excellent
retention. May be assembled
before or after the device is
0
1
2 3
Heat Dissipated—Watts
4
5
8.13
(0.320)
attached to the board.
7.87
10.67
ORDERING INFORMATION
(0.310)
(0.420)
Part Number
577500B00000G
577500U00000G
Finish
Black anodize
Unfinished
Material: 0.63 (0.025) Thick Aluminum
Finish: See Table
TV4
Narrow channel style heat sink featuring twisted fins
Grease
&
Epoxy
page112
Mounting
Kits
page 99
CL
Air Velocity—Feet Per Minute
100
0
200
400
600 800
1000
20
4.00
(0.158)
80
60
40
20
16
12
8
4
0
0
22.00
(0.866)
Narrow channel style heat
0
1
2 3 4
Heat Dissipated—Watts
5
sink features twisted fins
for increased air turbulance for
better cooling. Can be mounted
horizontally or vertically.
ORDERING INFORMATION
19.00
(0.749)
Part Number
TV4G
Description
Narrow channel style heat sink with twisted fins
19.00
(0.749)
13.40
(0.528)
Material: 1.63 (0.064) Thick Aluminum
Finish: Black Anodize
PF730, PF732
Slip on heat sink
FIGURE A
FIGURE B
17.90
13.20
(0.520)
3.20
(0.126)
8.60
(0.338) (0.705)
8.10
(0.319)
13.20
(0.520)
8.60
(0.338)
8.10
(0.319)
19.70
(0.775)
3.00
(0.118)
3.00
(0.118)
Slip on heat sink has locating
features for simple device align-
ment. Spring action holds the
4.00
(0.157)
11.50
(0.453)
TAB
1.30
(0.511)
4.00
(0.157)
11.50
(0.453)
device for good thermal contact.
The tabbed version is made from
tin plated copper and the no tab
3.40
(0.139)
100
0
Air Velocity — Feet Per Minute
200 400 600 800
1000
50
version is lightweight aluminum.
ORDERING INFORMATION
80
60
40
40
30
20
Part Number
PF730G
Description
Slip on heat sink
Material
Aluminum
Finish
Black anodize
Figure
B
20
0
10
0
PF732G
With solderable tabs
Copper
Tin plated
A
0
1
2 3
4
5
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
65
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