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Thermal conductive sheet
Noise suppression thermal conductive sheet
This is a type that features both high-noise suppression performance and thermal conductivity that enables protection of key devices from both heat and electromagnetic waves with a single sheet.
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- Product name
- E8000K series
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- Features
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- Has superior adhesiveness and simultaneously realizes high thermal conductivity and efficiency in noise suppression in GHz bands.
- Features low levels of low molecular-weight siloxane gas volatility, minimizing the risk of contact damage to components such as substrates even over prolonged periods of usage.
- Halogen-free with high levels of flame resistance.
Related articles
Structure
Specifications
| Product name | E8000K series | Remarks | |
|---|---|---|---|
| Main component | Silicone | - | |
| Color | Gray | - | |
| Available thickness (mm) *1 | 1.0 - 3.0 Increments of 0.5 |
- | |
| Hardness *2 | < 65 | Shore OO ASTM D2240 |
|
| Thermal conductivity (W/m·K) | 2.5 | Estimated thermal conductivity | |
| Relative Magnetic permeability µ″ |
500MHz | 6.5 | - |
| 1GHz | 5.8 | ||
| Relative density (g/cm3) | 5.3 | - | |
| Flame retardance | V-0 : ≧ 3.5 mm V-1 : 1.0 - 3.0 mm |
UL94 File No.E63260 |
|
- *1Thickness of only a thermal conductive sheet. A release film is not included.
- *2Hardness is measured by stacking the sheets to a thickness of 10 mm or more.
Effective in heat conduction and noise suppression for IC chip, LED substrate and power supply.
1.Magnetic Permeability
Test Condition
Sheet thickness:1.0mm
Tester:Network analyzer
Measuring condition:23°C±5°C 60%±20%RH
Results
2.Conductive noise suppressing effect (Evaluated by MSL)
Test Condition
Sheet width:20mm×20mm
Sheet thickness:1.0mm
Substrate:Micro-strip line(MSL) circuit board
Measuring condition:23°C±5°C 60%±20%RH
Tester:Network analyzer
[2cm square sheer is placed on the MSL and the ioss is evaluated by S11 and S21]
Results
3.Radiation noise suppressing effect 1
(The distribution chart of magnetic field intensity)
Test Condition
Sheet width:20mm×20mm
Sheet thickness:1.0mm
Substrate:MSL terminated 50Ω circuit board
Measuring condition:23°C±5°C 60%±20%RH
Input:1GHz, 2GHz sine wave
Method of detection: Magnetic field probe
Probe positioning:Setting on the MSL board to 3mm.
[Scanning was made by the magnetic field sensor 3.0mm adove the sheet Comparing the spectrum of magnetic field intensity with and without the sheet]
Sheet thickness:1.0mm
Substrate:MSL terminated 50Ω circuit board
Measuring condition:23°C±5°C 60%±20%RH
Input:1GHz, 2GHz sine wave
Method of detection: Magnetic field probe
Probe positioning:Setting on the MSL board to 3mm.
[Scanning was made by the magnetic field sensor 3.0mm adove the sheet Comparing the spectrum of magnetic field intensity with and without the sheet]
Results
4.Radiation noise suppressing effect 2
(The frequency spectrum of magnetic field intensity)
Test Condition
Sheet width:20mm×20mm
Sheet thickness:2.0mm
Substrate:MSL terminated 50Ω circuit board
Measuring condition:23°C±5°C 60%±20%RH
Method of detection:Magnetic field probe
Probe positioning:Setting on the IC to 3mm.
[Comparing the spectrum of magnetic field intensity with and without the sheet]
Results
5.Relationship between thermal resistance, compression ratio and pressure
Test Condition
Sheet area:3.14cm2
Measuring condition:23°C±5°C 60%±20%RH
Thermal conductive sheet temperature:60°C
Unit of thermal resistance:°C･cm2/W
Results
caution
Note on the characteristic data given - Data on the characteristics of the products described in this page based on the results of evaluations carried out by the company. This does not guarantee that the characteristics of the product conform with your usage environment. Before use, review the usage conditions based on evaluation data obtained from the equipment and substrates actually used.
