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Ceramic Thermal Pad Insulator For Transistor To-247 To-220 To-3P To-264
| Test Item | Unit | 96% Aluminum Oxide |
| Density | g/cm³ | 3.9 |
| Water Absorption | % | 0 |
| Thermal Expansion Coefficient | 10-6/K | 8.5 |
| Young's Modulus | GPa | 340 |
| Poisson Ratio | - | 0.22 |
| Hardness(Hv) | MPa | 1650 |
| Bending Strength (room temperature) | MPa | 310 |
| Bending Strength (700°C) | MPa | 230 |
| Compression Strength (room temperature) | MPa | 2200 |
| Fracture Toughness | MPa'm½ | 4.2 |
| Thermal Conductivity (room temperature) | W/m·K | 24 |
| Insulation Strength | KV/mm | 10 |
| Long-term Working Temperature | ℃ | 1480 |
| Ratio Resistivity | Ω·mm²/m | >1016 |
| Maximum Service Temperature (no-load) | ℃ | 1750 |
| Acid-base and Corrosion Resistance | - | Strong |
| Refractoriness | ℃ | 2000 |
| Standard Size | TO-220: 18.5mm*12mm / 20mm*14mm ; TO-247: 22mm*17mm TO-3P: 25mm*20mm ; TO-264: 28mm*22mm With or without hole available ; Customized size available. | |










Shenzhen Zhenzhixing Technology Co.,Ltd.,is founded in 2009,now is owns Shenzhen factory and new R&D production base in Jiangxi province.Its total registered capital is eleven million RMB Yuan,it has 120 employees.The company has passed ISO 9001:2008 international quality management system certification,company products through UL94-VO,main products include artificial graphite sheet,natural graphite sheet,high thermal conductive grease(paste),high thermal conductive silicone pad,pouring silicone sealant,thermal transfer tape,thermal silicone gel mud,thermal liquid silicone,electric conductive grease and other electric materials (Developing custom for the customer is available),it is one of the largest and most complete heat conducting materials,insulating materials and shielding materials comprehensive solution providers in China.
Shenzhen Zhenzhixing Technology Co.,Ltd. focuses on meeting customers needs,and wins with high quality,quick response and flexibility,has partnership with Changhong,Panasonic,Foxconn,Midea,ZTE,Huawei and other long-term customers.

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