Electrialc Insulation 99% Aluminum Oxide Ceramic Plate High Temperature Resistance
Electrialc Insulation 99% Aluminum Oxide Ceramic Plate High Temperature Resistance
1. Description
Key properties
Hard, wear-resistant
Excellent dielectric properties from DC to GHz frequencies
Resists strong acid and alkali attack at elevated temperatures
Good thermal conductivity
Excellent size and shape capability
High strength and stiffness
3. Specification
| Performance project | Unit | Value | Performance project | Unit | Value |
| Alumina content | wt /% | ≥96 | Volume resistivity | Ω.cm 20℃ | 1012 |
| Bulk density | g/cm3 | ≥3.7 | Breakdown strength | KV / mm | ≥15 |
| Hardness (HRA) | HRA | ≥ 82 | Acid resistance | mg / m2 | ≤7 |
| Flexural strength | MPa | ≥ 320 | Alkali resistance | mg / m2 | ≤0.2 |
| Safety temperature | ℃ | -55~1480 | Wear resistance | g / m2 | ≤0.2 |
| Water absorption | % | <0.01 | Compressive strength | MPa | ≥ 2400 |
| Coefficient of linear expansion | x10-6 / ℃ | 7.5 ~ 8.5 | Bending strength | MPa | ≥200 |
| Dielectric constant | ξ, 20 ° C, -1 MHz | 9 | Modulus of elasticity | GPa | 300 |
| Dielectric loss | tanδx10-4, 1MHz | 3 | Thermal conductivity | W / m.k (20 ℃) | 24 ~ 25 |
4.Application:
High Power Power Semiconductor Modules; Semiconductor Coolers, Electronic Heaters; Power Control Circuits, Power Hybrid Circuits.
Smart Power Components; High Frequency Switching Power Supply, Solid State Relays.
Automotive, Aerospace and Military Electronics Components.
Solar panel components; telecommunications switches, receiving systems; lasers and other industrial electronics.
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