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301K Datasheet PDF : 7 Pages
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Extruded
Heat Sinks
EXTRUDED HEAT SINKS FOR POWER SEMICONDUCTORS
SERIES 517, 527, 518 AND 528 Heat Sinks for “Half Brick” DC/DC Converters
TO-220 and TO-218
Standard
P/N
Footprint
Dimensions
in. (mm)
517-95AB
527-45AB
527-24AB
518-95AB
528-45AB
528-24AB
2.28 (57.9) x 2.40 (61.0)
2.28 (57.9) x 2.40 (61.0)
2.28 (57.9) x 2.40 (61.0)
2.40 (61.0) x 2.28 (57.9)
2.40 (61.0) x 2.28 (57.9)
2.40 (61.0) x 2.28 (57.9)
Material: Aluminum, Black Anodized.
Height
in. (mm)
0.95 (24.1)
0.45 (11.4)
0.24 (6.1)
0.95 (24.1)
0.45 (11.4)
0.24 (6.1)
Fin
Orientation
Horizontal
Horizontal
Horizontal
Vertical
Vertical
Vertical
Number
of Fins
8
11
11
8
11
11
Thermal Performance
Natural Convection
Forced Convection
Power Dissipation (Watts)
Thermal Resistance
60°C Rise Heat Sink to Ambient
at 300 ft/min
11W
2.0 °C/W
7W
3.2 °C/W
5W
5.8 °C/W
11W
2.0 °C/W
7W
3.2 °C/W
5W
5.8 °C/W
Keep your "half brick" size AT&T and Computer Products power modules cool with these effi-
cient black anodized aluminum heat sinks made for natural or forced convection applications.
To include four M3 x 8mm Phillips head SEM attachment screws, add an “M” suffix to stan-
dard part number. To specify factory applied Deltalink IV thermal interface material, add an
“S4” suffix to standard part number. Deltalink IV is a non-insulating graphite based material
used as a clean, thermally efficient alternative to thermal grease.
MECHANICAL DIMENSIONS
517, 527, 518 AND 528 SERIES
PRODUCT DESIGNATION
517 /527 SERIES DIMENSIONS
518 /528 SERIES DIMENSIONS
Dimensions: in. (mm)
MOUNTING HARDWARE FOR EXTRUDED HEAT SINKS
100 SERIES Teflon Mounting Insulators
Standard
P/N
v 103
107
Description
Spool-shaped insulator
Spool-shaped insulator
For Use with Series
300, 400, 600, 111, 113
300, 400, 600, 111, 113
Mounting
Hardware
#6-32 screw
#6-32 screw, nut
Material
Teflon
Teflon
Hipot Rating
(VAC)
1500
5000
Weight
lbs. (grams)
0.00012 (0.05)
0.0034 (1.54)
103 SERIES
107 SERIES
̆ Normally stocked
55
All other products, please contact factory for price, delivery, and minimums.
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