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Home > Focus on! > Thermal Interface Materials > High-hardness Thermal Interface Silicone Rubber

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Thermal Interface Silicone Rubber

High-hardness Thermal Interface Silicone Rubber
The high-hardness TC Series products have excellent insulation. These products are composite products of silicone rubber combined with fillers to enhance heat dissipation. These materials are pliable and adhesive, and are best suited for use as a sealant to heat-generating components and heatsinks. They exhibit superior thermal conductivity.

Main Features
  • These products have fine electrical properties (electric non-conductivity, etc.)
  • There is a reinforcement type with the Fiberglass or Polyimide film.
  • Not only sheet, but also Cap or Tube shapes. These products can even meet the needs for reduction of the creeping distance of transistors.
  • Nearly all products are UL-certified for flame-retardancy.
  • Can be used in a wide temperature (-40 ℃ to +180 ℃).
Primary Applications
  • For thermal conductivity and electrical insulation for power transistors and power modules
  • For thermal conductivity, electrical insulation and vibration damping of semiconductor devices such as CPUs and electrical components
  • TC series act as heat dissipaters, electrical insulators and thermal conductivity for thermal fuses and temperature sensors
Schematic diagram (Cap)
Schematic diagram (Cap)
Application of cap
Application of cap
General Properties

Type

 High-hardness Thermal Interface Silicone Rubber

Sheet type

Cap type
Item Grade
TC-A TC-CG TC-FG TC-EG TC-BG TC-TCI TC-A-CP TC-C-CP TC-S2-CP
Color Dark blue Light reddish brown Light blue Light blue White Pink Dark blue Light reddish brown Brown
Thickness mm
0.45 0.45 0.45 0.45 0.45 0.15 0.45 0.45 0.45
Thermal Conductivity W/m·K
ISO 22007-2*1 0.8 1.7 2.5 3.1 7.3 0.6 0.8 1.8 2.0
ASTM E 1530*2 1.1 1.9 3.3*3 4.5 5.0 1.2 1.1 1.5 2.0
Density at 23℃ g/cm3
2.2 2.5 3.0 3.1 1.5 2.2 2.2 2.6 2.9
Hardness Durometer A 80 90 90 95 90 - 80 88 75
Breakdown Strength kV (0.45mm)
15 10 8 8 16 12 15 15 9
Withstand Voltage kV
9 5 6 6 7 10 9 13 7
Volume Resistivity TΩ·m
1.0 1.2 19.0 19.0 9.0 - 1.0 3.2 35
Flame-Retardance UL94 V-0 V-0 V-0 V-0 V-0 V-0 V-0 V-0 V-0
*1 Measured with hot disc method.
*2 Measured with guarded heat flow meter method.  *3 Calculation value
Sheets are also available in 0.2mm, 0.3mm, 0.8mm thickness (does not include the FG, EG types).		 (Not specified values)
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