Ceramic Ferrules
Upcera specializes in high-precision ceramic ferrules including SC-type, LC-type, and custom large-bore designs, engineered to meet the demanding needs of 5G, data centers, and fiber laser systems.
- 20+ years of ceramic manufacturing experience
- Factory-direct supply with guaranteed quality
- 100% concentricity inspection
- High precision and reliable performance
- Custom production available
Ceramic Ferrules for Fiber Optic Connectors and Adapters
Ceramic ferrules are critical components in fiber optic connectors and adapters. With exceptional dimensional precision and stable optical performance, they are widely used in optical communication networks, data centers, FTTx deployments, 5G infrastructure, and high-end testing equipment.
We offer a wide variety of ceramic ferrule types made primarily from high-purity zirconia. These ferrules feature excellent wear resistance, tight concentricity, and a thermal expansion coefficient well-matched to optical fibers. Custom designs with non-standard dimensions or structures are also available to meet specific application needs.
With years of expertise in ceramic ferrule manufacturing, UPCERA provides high-volume, stable production capabilities. Our products can achieve micron-level tolerances and support value-added processing such as end-face polishing and laser marking — ensuring high performance, precision, and cost-effectiveness for our customers.
Our Manufacturing Capabilities and Typical Tolerances for Ceramic Components (Unit: mm)
Performance\Material |
Alumina | Zirconia | Gemstone | Silicon Nitride |
Aluminum Nitride |
Silicon Carbide |
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| 96~99.95% | YSZ | ATZ | ZTA | Blue Zirconia | Black Zirconia | Ruby | Sapphire | |||||||||||||||
| Length Range | ≤1000 | ≤1000 | ≤1000 | ≤1000 | ≤1000 | ≤1000 | ≤100 | ≤300 | ≤200 | ≤200 | ≤200 | |||||||||||
| Outer Diameter | ≤150 | ≤250 | ≤50 | ≤50 | ≤150 | ≤150 | ≤50 | ≤50 | ≤50 | ≤50 | ≤50 | |||||||||||
Inner Diameter |
Through Hole | ≤200 | ≤200 | ≤200 | ≤200 | ≤200 | ≤200 | ≤48 | ≤48 | ≤48 | ≤48 | ≤48 | ||||||||||
| Blind Hole | ≤30 | ≤50 | ≤50 | ≤50 | ≤50 | ≤50 | ≤10 | ≤10 | ≤50 | ≤50 | ≤50 | |||||||||||
| Stepped Hole | ≤50 | ≤50 | ≤50 | ≤50 | ≤50 | ≤50 | ≤10 | ≤10 | ≤50 | ≤50 | ≤50 | |||||||||||
| Minimum Wall Thickness | 0.2 | 0.1 | - | - | 0.1 | 0.1 | - | - | 0.2 | 0.2 | ||||||||||||
| Drilling | ≥φ0.4 | ≥φ0.4 | ≥φ0.4 | ≥φ0.4 | ≥φ0.4 | ≥φ0.4 | ≥φ0.4 | ≥φ0.4 | ≥φ0.4 | ≥φ0.4 | ≥φ0.4 | |||||||||||
| Thread Diameter | ≥M3 | ≥M2 | ≥M2 | ≥M3 | ≥M2 | ≥M2 | - | - | ≥M3 | ≥M3 | ≥M3 | |||||||||||
| Minimum Fillet Radius | R0.1 | R0.1 | R0.1 | R0.1 | R0.1 | R0.1 | R0.1 | R0.1 | R0.1 | R0.1 | R0.1 | |||||||||||
Outer Diameter Precision |
1-25mm: ±0.002mm 20-50mm: ±0.003mm 50-100mm: ±0.050mm 100-150mm: ±0.100mm |
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Inner Diameter Precision |
0.5-3mm: ±0.001mm 3-10mm: ±0.003mm 10-30mm: ±0.005mm 30-100mm: ±0.030mm 100-150mm: ±0.050mm 150-200mm: ±0.100mm |
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| Length Precision | ±0.005mm | |||||||||||||||||||||
| Roughness | Ra0.1 | Ra0.03 | Ra0.03 | Ra0.03 | Ra0.03 | Ra0.03 | Ra0.02 | Ra0.02 | Ra0.03 | Ra0.03 | Ra0.03 | |||||||||||
| Roundness | 0.002mm | |||||||||||||||||||||
| Concentricity | 0.002mm | |||||||||||||||||||||
| Straightness | 0.004mm | |||||||||||||||||||||
| Perpendicularity | 0.005mm | |||||||||||||||||||||
| Parallelism | 0.003mm | |||||||||||||||||||||
| Flatness | 0.003mm | |||||||||||||||||||||
Note: Due to the broad scope of the specifications and the correlations between different data, the above information is for reference only.
Download the complete machining capability sheet
Ceramic Ferrule Types We Support
UPCERA can support standard and customized ceramic ferrules for fiber optic connector assemblies. The final specifications should be confirmed according to the customer's drawing, connector type, bore requirement, end-face requirement, and application environment.
- SC ceramic ferrules: suitable for SC connector and adapter assemblies where stable fiber alignment is required.
- LC ceramic ferrules: suitable for compact optical connector structures and high-density fiber connection applications.
- Custom ceramic ferrules: non-standard dimensions, special bore structures, metal-shank designs, or other customized structures can be reviewed according to drawings.
Zirconia Material and Precision Processing
Most ceramic ferrules are made from zirconia ceramic because it offers strong wear resistance, dimensional stability, and a suitable match with optical fiber alignment requirements. For projects with special structures or non-standard dimensions, UPCERA can review the material, shape, processing route, and inspection requirements before quotation.
- High-purity zirconia ceramic material can be used for optical alignment components.
- End-face polishing, laser marking, and other value-added processing can be discussed based on project needs.
- Custom ferrule projects should be reviewed with drawings or samples before confirming production feasibility.
Applications of Fiber Optic Ceramic Ferrules
Ceramic ferrules are used wherever optical fibers need stable positioning and repeatable alignment. They are commonly applied in connector assemblies, adapter assemblies, telecom networks, data centers, FTTx systems, and optical testing equipment.
- Fiber optic connectors and adapters
- Optical communication networks and FTTx deployments
- 5G infrastructure and data center optical connection systems
- Fiber laser systems and high-end optical testing equipment
Custom Ceramic Ferrule Manufacturing Support
For custom ceramic ferrule projects, please provide 2D/3D drawings, connector type, material preference, key dimensions, bore requirements, end-face requirements, quantity, and inspection requirements. UPCERA can review the structure and provide manufacturing feedback before quotation.
- Custom dimensions and non-standard structures can be discussed according to customer drawings.
- Bore structure, end-face condition, concentricity requirements, and appearance requirements should be confirmed before production.
- If the customer has a sample, UPCERA can review whether reverse confirmation or drawing conversion is needed.
Quality Inspection and Consistency Control
Ceramic ferrules for optical communication require stable dimensional control and consistent batch quality. UPCERA can support dimensional inspection, bore inspection, end-face appearance review, and batch conformity checks according to the approved drawing and purchase specification.
- Dimensional inspection according to confirmed drawing requirements.
- Bore and end-face appearance review based on the agreed inspection method.
- Batch consistency checks before delivery according to order requirements.
FAQ
What is a ceramic ferrule used for?
A ceramic ferrule is used to hold and align optical fibers inside fiber optic connector and adapter assemblies. It helps maintain stable fiber positioning for reliable optical connection.
What material is commonly used for ceramic ferrules?
Zirconia ceramic is commonly used for fiber optic ceramic ferrules because it supports precision processing, wear resistance, and stable alignment performance.
Can UPCERA supply SC ceramic ferrules?
Yes. UPCERA can support SC ceramic ferrule projects according to connector structure, drawing requirements, and order specifications.
Can UPCERA supply LC ceramic ferrules?
Yes. LC ceramic ferrules can be reviewed according to drawing, bore requirement, end-face requirement, and application environment.
Can UPCERA make custom ceramic ferrules?
Yes. Custom ceramic ferrules with non-standard dimensions or structures can be reviewed according to drawings or samples.
What information is needed for a ceramic ferrule quotation?
Please send drawings, connector type, material preference, key dimensions, bore requirements, end-face requirements, quantity, and inspection requirements.
Can ferrules be supplied with end-face polishing or laser marking?
End-face polishing, laser marking, and other value-added processing can be discussed according to project requirements.
Request a quote
If you have any needs for ceramic ferrules, don't hesitate to contact us now!
Send your ceramic ferrule drawing, connector type, target quantity, and key inspection requirements. UPCERA will review your project and provide quotation feedback for standard or custom ceramic ferrules.