Hunan Meicheng Ceramic Technology Co., Ltd.
Hunan Meicheng Ceramic Technology Co., Ltd.
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Ceramic Electronic Components for EV Relays and HVDC Contactors, White Porcelain Case for Arc Extinguish
1. Description:
The new energy series ceramics are produced by high purity complex alumina and nano metallization. It is suitable for brazing of different materials such as copper, aluminum and felling. This series consist of HVDC relay ceramic housing, HVDC contactor ceramic shield, Fusegear ceramic case, ceramic connector for power battery cell.
2. Key Words:
New energy, EV relay, HVDC contactor, Fast acting fusegear, Vacuum interrupter, Power battery cell connector, Arc extinguish.uniform texture and good batch stability,compact, continuous, smooth and weldability Nickel layer,high flexural strength, high tensile strength and good air tightness,high frequency, high power and good safety components,white, pink or customized,95% alumina,dry-processing,
3. Parameters:
| Product Parameters | ||
| Physical Property | Material | 95% Alumina |
| Production Process | Dry Pressing | |
| Product Dimension | Per customers' drawing | |
| Density (g/cm3) | 3.70-3.75g/cm3 | |
| Water Absorption | 0% | |
| Mechanical Performance | Flexural Strength (Mpa) | 310Mpa |
| Modulus of Elasticity (Gpa) | 310Gpa | |
| Hardness (Gpa) | 12.9Gpa | |
| Poisson Ratio | 0.23 | |
| Thermal Character | Linear Thermal Expansion Coefficient | 7.2 |
| Heat Conductivity (W/mk) | 23 | |
| Electrical Property | Dielectric Constant | 9.2 |
| Dielectric Loss Tangent (x10-4) | 8 | |
| Insulation Strength (x106V/M) | 15 | |
| Metalized Ceramic Performance | Air Tightness (Pa·m3/s) | ≤10-8 |
| Bulk Resistivity (Ω·cm) | ≥1010 (20°C), ≥106 (300°C) | |
| Bonding Strength (Mpa) | ≥120Mpa | |
| Metallization Thickness (μm) | ≥20μm | |
