251G Aavid Thermalloy, 251G Datasheet - Page 63

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251G

Manufacturer Part Number
251G
Description
THERMAL GREASE
Manufacturer
Aavid Thermalloy
Series
Thermalcotetrade;r
Type
Silicon Compoundr
Datasheets

Specifications of 251G

Size / Dimension
1 lb Can
Product
Thermal Management
Size
1 lb
Container
Can
Chemical Component
Polydimethylsiloxane/Zinc Oxide
Dispensing Method
Aerosol
Primary Type
Grease
Temperature, Rating
-40 to +204 °C
Weight
1 lbs.
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
35270

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
251G
Manufacturer:
ATH
Quantity:
32
Part Number:
251G1D-16D
Manufacturer:
XILINX
0
Part Number:
251G1D-16D
Manufacturer:
XILINX/赛灵思
Quantity:
20 000
Part Number:
251G1D-16I
Manufacturer:
TEMIC
Quantity:
8 436
Part Number:
251G1D16CB
Manufacturer:
MOTOROLA
Quantity:
299
Part Number:
251G1DDIB16CB
Manufacturer:
TEMIC
Quantity:
1 186
Low profile hat section heat sink
has a total height of 0.375 making
it perfect for mounting to printed
circuit boards with 0.500 centering
between boards.
5063
ORDERING INFORMATION
Low cost slide on heat sink
provides positive retention with
an integral locking tab. The spring
tension ensures excellent thermal
contact for maximum performance.
Requires no hardware to mount.
ORDERING INFORMATION
Low cost slide on cooler heat sink
is easy to assemble to the device
and requires no mounting hardware.
Models have fins on both sides, or
the left or right. Available with or
without staked on solderable tab
for easy board mounting.
ORDERING INFORMATION
Part Number
574204B00000G
574204B03300G
579604B00000G
579604B03300G
579704B00000G
579704B03300G
Part Number
506304B00000G
For additional options see page 84
5740
Part Number
574004B00000G
574004U00000G
5742, 5796, 5797 Low cost slide on cooler heat sink
For additional options see page 84
www.aavidthermalloy.com
Description
Low cost slide on cooler, no solderable tabs
With solderable tabs
With left side fin only, no solderable tabs
With left side fin only and solderable tabs
With right side fin only, no solderable tabs
With right side fin only and solderable tabs
Description
Hat section heat sink
Finish
Black anodize
Unfinished
Low profile hat section heat sink
Low cost slide on heat sink
AMERICA
EUROPE
Italy Tel: +39 051 764011 email: sales.it@aavid.com
United Kingdom Tel: +44 1793 401400 email: sales.uk@aavid.com
USA Tel: +1 (603) 224-9988 email: info@aavid.com
100
100
80
60
40
20
80
60
40
20
0
0
0
0
0
0
Figure
200
200
1
FIGURE A
A
A
1
B
B
B
B
Air Velocity—Feet Per Minute
Air Velocity—Feet Per Minute
Heat Dissipated—Watts
Heat Dissipated—Watts
(1.020)
(0.990)
(0.420)
10.67
25.91
25.15
400
400
2
2
Hole for Tabs
Plated Thru
1.910 (0.075)
1.910 (0.075)
1.910 (0.075)
Dia of PCB
600
600
3
3
(0.020)
0.51
(0.420)
10.67
REF
800
800
(0.900)
4
4
22.86
(0.062)
1.57
TAB
1000
1000
Material: 0.63 (0.025) Thick Aluminum
5
5
Finish: Black Anodize
20
16
12
20
16
12
8
4
0
8
4
0
(0.380)
9.52
ASIA
(0.370)
9.40
Singapore Tel: +65 6362 8388 email: sales@aavid.com.sg
Taiwan Tel: +886(2) 2698-9888 email: sales@aavid.com.tw
574204
579604
579704
FIGURE B
Note: Fins on Left or Right. Right hand fin model shown.
TO-202 Heat Sinks
(0.730)
(0.750)
18.54
18.92
100
ø
80
60
40
20
(0.093)
0
2.36
0
0
(0.800)
(0.400)
20.32
10.16
(0.020)
200
(0.240)
1
0.51
5.97
(0.420)
Air Velocity—Feet Per Minute
10.67
REF
Heat Dissipated—Watts
(0.630)
15.88
400
2
(0.305)
X 0.220 DEEP
7.75
0.410 WIDE
ø
(0.093)
DITTIN
page 112
NOTCH IS
Material: 1.02 (0.040) Thick Aluminum
(0.900)
Material: 0.63 (0.025) Thick Aluminum
Grease
22.86
2.36
Epoxy
(0.062)
Finish: Black Anodize
Finish: See Table
600
1.57
3
&
TAB
800
4
(0.380)
(0.577)
14.66
9.52
1000
5
Mounting
20
16
12
8
4
0
page 99
Kits
(0.250)
6.35
63

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