251G Aavid Thermalloy, 251G Datasheet - Page 42

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

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

42
* Edges cut during the manufacturing process will be unfinished.
6237
Hat section style heat sink
features an integrated clip
for secure attachment to the
device without added hard-
ware. Available in two finishes.
ORDERING INFORMATION
5690
ORDERING INFORMATION
Part Number
569022B00000G
POPULAR OPTIONS:
Position
For additional options see page 82
Part Number
6237BG
6237PBG
See page 110 for more information
High power, square basket heat sink
accommodates two TO-220 devices.
Features folded back fins for increased
surface area for maximum cooling.
A
www.aavidthermalloy.com
TO-220 Heat Sinks
Hat section style heat sink featuring an integrated clip
High power, square basket heat sink with folded back fins
Code
01
Description
High power, square basket, folded back fin heat sink
Finish
Black anodize
Pre-black anodize*
Description
6–32 Wave On threaded insert, 0.100 stand off 0.062 Bd
Base part no.
569022B0 00 00G
AMERICA
EUROPE
A
Italy Tel: [phone] email: [e-mail]
United Kingdom Tel: [phone] email: [e-mail]
USA Tel: [phone] email: [e-mail]
100
100
80
60
40
20
80
60
40
20
0
0
0
0
0
0
200
200
2
4
Air Velocity—Feet Per Minute
Air Velocity—Feet Per Minute
Heat Dissipated—Watts
Heat Dissipated—Watts
400
400
4
8
Location
Hole X
600
600
12
6
800
800
8
16
Page 89
Details
1000
1000
20
10
20
16
12
8
4
0
5
3
2
0
4
1
(0.190)
4.83
(1.310)
@ BASE
33.27
ASIA
R
(0.078)
TYP 6
1.98
(0.700)
17.78
(0.095)
(0.375)
2.41
Singapore Tel: [phone] email: [e-mail]
Taiwan Tel: [phone] email: [e-mail]
9.52
"X"
C L
(0.440)
1
11.18
C L
1
(0.580)
14.73
"X"
(0.520)
(0.900)
13.21
22.86
TYP 2
ø
(0.140)
C L
3.56
SEE DETAIL "A"
(0.165)
2
DETAIL-A
4.19
C L
2
TYP 2
TYP 2
(0.070)
1.78
Top is cut away
to show detail
(0.25)
6.35
REF
27.69
(1.09)
TYP 2
REF
page 112
Grease
Epoxy
Material: 1.02 (0.040) Thick Aluminum
Material: 1.60 (0.063) Thick Aluminum
Finish: See Table
&
Finish: Black Anodize
33.27
(1.31)
ø
(0.560)
(0.144)
(0.100)
14.22
15.49
(0.61)
3.66
2.54
REF
REF
Mounting
THRU
page 99
TYP 8
Kits
46.48
(1.83)
SQ.
REF