Place of Origin：Guangdong, China
Material Introduction：Alumina ceramic connector components are precision insulating parts used in electrical connectors, feedthroughs, sensors, and high-voltage assemblies. Made from 95%, 96%, or 99% Al₂O₃ ceramic, they provide stable insulation, heat resistance, and accurate pin separation for demanding connector applications. View Alumina Ceramic Components
Key Features：High electrical insulation、Good heat and voltage resistance、Precise holes for pin positioning、Stable size and low moisture absorption、Custom shapes, slots, steps, and multi-hole designs available、Optional metallized surface for ceramic-to-metal joining、View Metalized Ceramic Components
Application Industries：Electrical connectors、Vacuum feedthroughs、High-voltage equipment、Sensors and probes、Semiconductor equipment、Power electronics、View Electronic Ceramic Components
Lead Time：Lead time depends on material grade, drawing complexity, tolerance, quantity, and special processing requirements. CERAMPRO supports prototypes, small batches, and regular production based on drawings or samples. Contact Us
Alumina Ceramic Connector Components are custom insulating parts used in electrical connectors, feedthroughs, sensor assemblies, and high-voltage terminals. They help separate pins, electrodes, and conductive parts while maintaining stable electrical insulation in high-temperature, high-voltage, and demanding assembly environments.
Made from high-purity alumina ceramic, these parts offer excellent insulation, heat resistance, mechanical strength, and dimensional stability. CERAMPRO manufactures custom connector ceramic components according to customer drawings, samples, hole layouts, pin positions, and application requirements.
For more alumina ceramic material options, please visit Alumina Ceramic Components.
Different alumina grades can be selected according to insulation requirements, working temperature, precision level, and cost targets.
| Material Grade | Main Features | Typical Applications |
|---|---|---|
| 95% Alumina Ceramic | Good insulation, reliable strength, cost-effective | General connector insulators, terminal supports, sensor parts |
| 96% Alumina Ceramic | Balanced insulation, strength, and machining stability | Precision connector parts, multi-hole ceramic insulators |
| 99% Alumina Ceramic | Higher purity, better heat resistance, lower contamination risk | High-voltage, vacuum, semiconductor, and analytical equipment |
| Metalized Alumina Ceramic | Supports ceramic-to-metal joining or brazing | Feedthroughs, sealed terminals, electronic packaging parts |
For ceramic-to-metal joining applications, see Metalized Ceramic Components.
These alumina ceramic connector components are used when plastic or metal insulation parts cannot meet the requirements for heat resistance, voltage resistance, dimensional stability, or long-term reliability.
Related application category: Electronic Ceramic Components.
For custom projects, please visit Custom Ceramic Parts or Contact Us.
The following data is for general reference. Final specifications should be confirmed according to the selected material grade, drawing, tolerance, and application environment.
| Item | Typical Value / Option |
|---|---|
| Material | 95%, 96%, 99% Alumina Ceramic |
| Main Composition | Al₂O₃ |
| Color | White / Ivory / according to material grade |
| Density | Approx. 3.6–3.9 g/cm³ |
| Electrical Property | High electrical insulation and dielectric strength |
| Temperature Resistance | Suitable for high-temperature insulation applications |
| Machining Options | Holes, slots, grooves, steps, shoulders, flats, and irregular shapes |
| Surface Finish | As-sintered, ground, polished, or customized |
| Customization | Available based on drawings, samples, or application requirements |
| Optional Process | Metalization, precision grinding, polishing, and inspection |
| Material | Advantages | Limitations | Recommended Use |
|---|---|---|---|
| Alumina Ceramic | Good insulation, heat resistance, strength, and cost balance | Lower toughness than zirconia | Connector insulators, feedthrough parts, high-voltage insulation parts |
| Zirconia Ceramic | Higher toughness and impact resistance | Higher cost and less commonly selected for pure insulation applications | Wear parts and mechanically stressed precision components |
| Aluminum Nitride Ceramic | High thermal conductivity with electrical insulation | Higher cost and more application-specific | Power electronics, thermal management, electronic substrates |
| Steatite Ceramic | Cost-effective electrical insulation | Lower mechanical and thermal performance than alumina | Basic electrical insulation parts and low-cost connector parts |
| Plastic Insulators | Low cost and easy molding | Limited heat resistance, aging resistance, and dimensional stability | Low-temperature and low-load connector applications |
They are used inside electrical connectors, feedthroughs, terminals, sensors, and high-voltage systems to separate conductive parts and provide stable electrical insulation.
Alumina ceramic offers better heat resistance, insulation stability, dimensional accuracy, and aging resistance than many plastic materials, especially in high-temperature or high-voltage environments.
Yes. CERAMPRO can customize holes, grooves, slots, steps, shoulders, and irregular structures according to drawings, samples, or assembly requirements.
95% alumina is suitable for cost-effective general insulation parts. 96% alumina is often used for precision connector structures. 99% alumina is recommended for higher temperature, higher purity, or more demanding electrical applications.
Yes. Multi-hole ceramic insulators can be customized for pin positioning, electrode separation, sensor probes, and feedthrough assemblies.
Yes. Metalized alumina ceramic parts are available for ceramic-to-metal joining, brazing, sealed terminals, and feedthrough applications.
Yes. Alumina ceramic is widely used for high-voltage insulation. The final design should be reviewed according to voltage level, creepage distance, geometry, and operating environment.
Yes. CERAMPRO can review customer samples and evaluate material grade, dimensions, tolerance, structure, and manufacturability before production.
Please provide drawings, material requirements, quantity, tolerance, surface finish, application environment, and whether metalization or special inspection is needed.
Lead time depends on material grade, part complexity, hole quantity, tolerance, order volume, and additional processing requirements. Prototype, small-batch, and regular production orders are supported.
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