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. Applications:
They are mainly applied in EV vehicles, PHEV vehicles, power charing stations, power storage stations and urban commuting shuttles.
3. Specifications:
Material: 95% alumina
Machining Type: dry-processing
Color: white, pink or customized per customer requirements
4. Feature Advantage:
Ceramics are with uniform texture and good batch stability
Nickel layer is compact, continuous, smooth and weldability.
Ceramics are with high flexural strength, high tensile strength and good air tightness
It can meet the requirement of high frequency, high power and good safety components
5. Key Words:
New energy, EV relay, HVDC contactor, Fast acting fusegear, Vacuum interrupter, Power battery cell connector, Arc extinguish.
6. 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 |
Product Tags:
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