49
THRU
HOLE
DISCRETE
SEMIC
O
NDUCT
O
R
P
A
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K
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GES
EUROPE
ASIA
Italy Tel: +39 051 764011 email: sales.it@aavid.com
United Kingdom Tel: +44 1793 401400 email: sales.uk@aavid.com
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Taiwan Tel: +886(2) 2698-9888 email: sales@aavid.com.tw
AMERICA
USA Tel: +1 (603) 224-9988 email: info@aavid.com
www.aavidthermalloy.com
TO-220 Heat Sinks
ORDERING INFORMATION
5425
Space saving staggered fin heat sink
Space saving staggered fin heat
sink for vertical mounting TO-220
devices. Features integrated solderable
mounting tabs that can be twisted for
attachment to the PC board. Heat sink
is also available with tin plating for
soldering directly to the PC board.
22.22
(0.875)
10.67
(0.420)
1.57
(0.062)
17.78
(0.700)
6.35
(0.250)
19.56
(0.770)
31.75
(1.250)
3.96
(0.156)
THRU
3.17
(0.125)
8.89
(0.350)
1.27
(0.050)
Air Velocity—Feet Per Minute
Heat Dissipated—Watts
Thermal
Resistance
From
MTG
Surface
to
Ambient—
°
C/Watt
20
0
20
40
60
80
100
0
1
2
3
4
5
16
12
4
8
0
400
200
600
800
1000
Mounting
Surface
Temp
Rise
Above
Ambient—
°
C
22.20
(0.875)
3.17
(0.125)
THRU
31.75
(1.250)
19.56
(0.770)
6.35
(0.250)
1.91
(0.075)
2x
5.03
(0.198)
17.78
(0.700)
CL
Air Velocity—Feet Per Minute
Heat Dissipated—Watts
Thermal
Resistance
From
MTG
Surface
to
Ambient—
°
C/Watt
20
0
20
40
60
80
100
0
1
2
3
4
5
16
12
4
8
0
400
200
600
800
1000
Mounting
Surface
Temp
Rise
Above
Ambient—
°
C
Space savings twisted fin heat sink
for vertical mounting TO-220 devices.
Features staked on solderable mounting
tabs for easy attachment to the PC board.
5925
Space saving twisted fin heat sink
Material: 1.27 (0.050) Thick Aluminum
Finish: See Table
Material: 1.27 (0.050) Thick Aluminum
Finish: See Table
ORDERING INFORMATION
Part Number
Finish
592502B03400G
Black anodize
2.39 (0.094)
592502U03400G
Unfinished
2.39 (0.094)
Dia of PCB
Plated Thru
Hole for Tabs
Part Number
Finish
542502B00000G
Black anodize
2.39 (0.094)
542502D00000G
Tin plated
2.39 (0.094)
Dia of PCB
Plated Thru
Hole for Tabs
For additional options see page 82
Grease
Epoxy
&
page112
Mounting
Kits
page 99
Grease
Epoxy
&
page112
Mounting
Kits
page 99