45
THRU HOLE DISCRETE SEMICONDUCTOR PACKAGES
EUROPE
ASIA
Italy Tel: +39 051 764011 email: sales.it@aavid.com
United Kingdom Tel: +44 1793 401400 email: sales.uk@aavid.com
Singapore Tel: +65 6362 8388 email: sales@aavid.com.sg
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
ORDERING INFORMATION
5744, 5745, 5746, 5749 Low cost, labor saving, slide on heat sink featuring spring action
Low cost, labor saving, slide on
heat sink features spring action
to firmly hold the device tab to the
heat sink providing maximum metal
to metal contact and good thermal
conduction. Available with solder-
able tabs for horizontal or vertical
mounting to the PC board.
9.52
(0.375)
21.08
(0.830)
HOLDING TABS
DITTIN
11.81
(0.465)
10.03
(0.395)
21.84
(0.860)
14.99
(0.590)
"A"
3.18
(0.125)
9.02
(0.355)
ø
3.81
(0.150)
1.57
(0.062)
Air Velocity—Feet Per Minute
Heat Dissipated—Watts
Thermal Resistance From MTG
Surface to Ambient—°C/Watt
20
0
20
40
60
80
100
01 2 3 4 5
16
12
4
8
0
0
400
200 600 800
1000
Mounting Surface Temp
Rise Above Ambient—°C
574402
574502
5741 Low cost, labor saving, slide on heat sink featuring spring action
Low cost, labor saving, slide on heat sink
features spring action to firmly hold the device
tab to the heat sink providing maximum metal
to metal contact and good thermal conduction.
Includes a clearance hole in the top side to allow
the use of optional hardware to attach device
and heat sink to circuit board or other surface.
Also available with solderable tabs for vertical
mounting to the PC board.
21.84
(0.860)
9.02
(0.355)
19.05
(0.750)
3.81
(0.150)
10.03
(0.395)
11.81
(0.465)
14.99
(0.590)
20.57
(0.810)
ø
7.62
(0.300)
CLEARANCE
DITTIN
9.52
(0.375)
5.33
(0.210)
1.57
(0.062)
THRU
TAB
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
0
400
200 600 800
1000
Mounting Surface Temp
Rise Above Ambient—°C
Part Number Description
574102B00000G Low cost slide on heat sink, no solderable tabs
574102B03300G With solderable tabs 1.91 (0.075)
ORDERING INFORMATION
10.03
(0.400)
1.57
(0.062)
5.33
(0.210)
9.52
(0.375)
9.02
(0.355)
HOLDING TABS
20.57
(0.810)
21.84
(0.860)
"A"
4.19
(0.165)
11.81
(0.465)
14.99
(0.590)
DITTIN
TAB
Material: 0.63 (0.025) Thick Aluminum
Finish: Black Anodize
Material: 0.63 (0.025) Thick Aluminum
Finish: Black Anodize
TO-220 Heat Sinks
Part Number Description Figure “A” Dim
574402B00000G Low cost slide on heat sink, no solderable tabs A 19.05 (0.750)
574402B03200G With solderable tabs for horizontal mounting A 19.05 (0.750) 1.91 (0.075)
574502B00000G Low cost slide on heat sink, no solderable tabs B 19.05 (0.750)
574502B03300G With solderable tabs for vertical mounting B 19.05 (0.750) 1.91 (0.075)
574602B00000G Low cost slide on heat sink , no solderable tabs B 17.53 (0.690)
574602B03300G With solderable tabs for vertical mounting B 17.53 (0.690) 1.91 (0.075)
574902B00000G Low cost slide on heat sink , no solderable tabs B 35.05 (1.380)
574902B03300G With solderable tabs for vertical mounting B 35.05 (1.380) 1.91 (0.075)
Position Code Description Details
A 37 Solderable tab with step to limit insertion depth Page 92
Dia of PCB
Plated Thru
Hole for Tabs
Dia of PCB
Plated Thru
Hole for Tabs
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
0
400
200 600 800
1000
Mounting Surface Temp
Rise Above Ambient—°C
574902
574602
POPULAR OPTIONS:
Base part no.
A
574102B0 00 00G
For additional options see page 82
FIGURE A
FIGURE B
For additional options see page 82
