Interface Material/Pads
In-Sil-8TM
TO-3
TO-218
TO-220
These silicone based pads provide both thermal
conductivity and electrical isolation. In-Sil-8TM
pads have a fiberglass carrier that withstands
the rigors of assembly, harsh environments
and aging under continuous use. In-Sil-8TM pads
install faster than traditional mica and grease
and will not contaminate solder baths. Screw
mounting is recommended to achieve the best
thermal performance.
ø
2X 3.56
(0.140)
18.80
12.70
(0.500)
(0.740)
2.69
(0.160)
DIA
3.73
(0.147)
DIA
41.91
(1.650)
21.84
(0.860)
19.05
(0.750)
16.76
(0.660)
14.30
(0.563)
ø
2.36
(0.093)
2X
28.96
(1.140)
ORDERING INFORMATION
MATERIAL PROPERTIES
example 12 digit part
507222B _ 0000G
Color
Grey
0.18 (0.007)
3500
Ordering code
Thickness
Breakdown voltage
Dielectric constant
The shape and hole pattern of the heat sink will determine the shape and hole
pattern of the pad. If you are ordering a heat sink which mounts to a semicon-
ductor on both sides, the ordering code for two pads should be used. To order
additional In-SilTM pads separate, or factory applied variations please contact
an Aavid sales rep for inquiries.
5.5
TO-3
TO-220
1.25
TO-218
0.77
Thermal resistance (approx.)
Screw size
0.33
6-32
6–8
Ordering code
Description
No pads
4-40
4-40
0
3
4
Torque in–lbs
4–6
4–6
One In-Sil-8TM pad
Two In-Sil-8TM pads
KonDux™ / Grafoil® Conducta-Pad**
Kondux™ interface pads are a cost effective
alternative to thermally conductive grease
compounds. Kondux™ pads are electrically
conductive and ideal for use with small,
discrete semiconductors. Aavid pre-applies
Kondux™ to your heatsink to enhance heat
conductance from the semiconductor case
and speed your manufacturing process.
Figure A
Figure B
ø
2X 3.56
(0.140)
"C"
"B"
41.91
(1.650)
"A"
ORDERING INFORMATION
example 12 digit part
575703B _ 0000G
Ordering code
The shape and hole pattern of the heat sink will determine the shape and hole
pattern of the pad. If you are ordering a heat sink which mounts to a semicon-
ductor on both sides, the ordering code for two pads should be used.
ø
2.36
(0.093)
2X
28.96
(1.140)
Ordering code
1 or 2*
Device
TO-3
Figure
"A" Dim
"B" Dim
"C" Dim
A
B
B
1 or 2*
TO-218
TO-220
19.05 (0.750)
15.88 (0.625)
4.57 (0.180)
2.68 (0.105)
15.24 (0.600)
10.67 (0.420)
1 or 2*
MATERIAL PROPERTIES
*Factory applied only
One KonDuxTM pad
Color
Black (metallic)
0.13 (0.005)
Thickness
example
Thermalloy origin part
Thermal resistance
Electrical resistivity
See Graph pg 10
15 x 10-6 Ohms
580 psi
A = Model number
B = Grafoil® pad
C = RoHS compliant
6109B -
G
A
B
C
Compression strength:
for 10% reduction in thickness
Suffix
G1
Device
TO-3
Figure
"A" Dim
"B" Dim
"C" Dim
Tensile strength
650 psi
12500 psi
A
B
B
B
Ultimate compression strength
Service temperature
Liner
G4
TO-218
TO-220
Multiwatt
19.30 (0.760)
16.51 (0.650)
17.53 (0.690)
4.83 (0.190)
3.43 (0.135)
2.92 (0.115)
15.75 (0.620)
10.67 (0.420)
20.07 (0.790)
-240°C to +300°C
None
G5
G7
** The Grafoil® name was originally marketed by Thermalloy and is the same material as KonduxTM
Grafoil® is a registered trademark of the Union Carbide Company
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86
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