Sealed Electrical Connectors for feedthrough
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- Inquiry
Sealed Electrical Connectors for feedthrough
The power feedthrough with CF type vacuum flanged fitting. It is a electrical feedthrough and conveys high-voltage, high-amperage power into high-vacuum environments for operating heating coils in sputtering, coating and other demanding material evaporation applications or experiments.
Sealed Electrical Connectors for feedthrough
Features
1) Material:≥95% alumina
2) Made by processing after fining
3) With good performance such as thermal shock resistance, metalized strength
4) Used as ceramic switch tube of electrical vacuum in high voltage and highfrequency electrical tubes with big power.
Major components | 95% 96%.99 Al2O3 | |||
Density | g/cm3 | 3.6 | ||
Material properties | Water absorption | % | O | |
Sintering temperature | °C | 1600-1800 | ||
Physical properties | Hardness | HV | 1500 | |
Flexural strength | Kgf/cm2 | 3000 | ||
Compressive strength | Kgf/cm2 | 25000 | ||
Fracture toughness | Map.m3/2 | 3-4 | ||
Maximum temperature | °C | 1800 | ||
Thermal properties | Coefficient of thermal expansion | /°C | 8*10-6 | |
Heat shock | T(°C) | 220 | ||
Thermal conductivity | W/m.k(25-300°C) | 25 14 | ||
20°C | >1012 | |||
Volume resistivity | 100°C | >.cm | 1012-1013 | |
Electrical Characteristics | 300°C | >1010 | ||
Insulation breakdown strength | KV/mm | 18 | ||
dielectric constant | 100MHz(E) | 9.5 |
Applications: | |
Feed-through insulators | Power switches |
Insulating discs | Traveling wave tubes |
Insulator rings and cylinders | Vacuum interrupters |
Headers | Windows |
High-power receptacles | Power grid tubes |
Precipitator products | X-ray tubes |
Joining types: |
Ceramic + Mo/Mn Metallized + plating Ni |
Ceramic + Mo/Mn Metallized + plating Ag |
Ceramic + Mo/Mn Metallized + plating Au |
Ceramic + printing Ag |
* Special types are available according to customer’s drawings or samples. |
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