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Electronic insulation 95% 99% alumina ceramic switch
An alumina ceramic switch is a type of switch that utilizes advanced ceramics, specifically alumina ceramics, as its main component. Alumina ceramics are known for their excellent electrical insulation properties, making them ideal for applications that require high voltage or high-frequency switching.
The ceramic switch is designed to control the flow of electrical current by either allowing or blocking the passage of electricity. It is commonly used in various electronic devices and systems, such as power distribution systems, circuit breakers, and high-voltage switches.
One of the key features of alumina ceramic switches is their ability to withstand high temperatures and resist thermal shock. This makes them suitable for applications in harsh environments where temperature fluctuations are common.
Additionally, alumina ceramic switches are highly durable and resistant to wear and corrosion, ensuring long-term reliability and performance. They also exhibit excellent dielectric properties, making them effective insulators that can prevent electrical leakage and ensure safe operation.
Item
Unit
Al2O3 95％－97％
Al2O3 99％
Desity
g/cm3
3.7
3.85
Flexural Strength
Mpa
300
340
Compressive Strength
Mpa
3400
3600
Modulus of Elaslicity
Gpa
350
380
Impact Resistance
Mpa m1/2
4.0
5
Weibull Moudulus
m
10.0
10
Vickers Hardness
HV0.5
1200.0
1300
Thermal Expansion Coefficent
10-6K-1
5.0-8.3
5.4-8.3
Thermal Conductivity
W/mK
24
27
Thermal Shork Resistance
△T℃
250
270
Maximum Use Temperature
℃
1600
1650
Volume Resistivity at 20℃
Ω
≥1014
≥1014
Dielectric Constant
KV/mm
20
25
Open Porosity
%
0
0
Dielectric Constant
ξr
10
10
Dielectric Loss Angle
Tanσ
0.001
0.001
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Main Product:
Advanced Ceramics,
Engineering Ceramics,
Ceramic Disc,
Ceramic Insulator ,
Precision Ceramics,
Electrical Ceramics
