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Product Description
A high-reliability expanded beam fiber optic connector designed to meet GJB599B/MIL-DTL-38999 Series III interface requirements, with performance compliant with ARINC 801 standards, delivering exceptional optical performance in demanding aerospace and defense environments.
The non-contact expanded beam optical structure ensures stable transmission under dust, vibration, and repeated mating/unmating conditions. The ceramic O-ring sleeve provides superior port protection, significantly extending service life.
Key Features
- GJB599B (MIL-DTL-38999 III) interface compatible, optical performance meets ARINC 801 standard
- Designed for multi-channel optical communication in aviation, electronics, and marine systems
- Beam-expanding lens design for true non-contact optical docking
- Closed O-ring ceramic sleeves greatly improve insertion/removal endurance
- Excellent dust resistance, suitable for harsh environments
- Easy termination and extraction using standard M81969/14-03 tools
Technical Specifications
Mechanical Performance
| Parameter | Specification |
| Mechanical Life | 2000 mating cycles (plug/unplug) |
| Impact Resistance | Peak acceleration: 2940 m/s²Duration: 3 msSpeed change: 5.61 m/s |
| Vibration | Frequency: 10 Hz – 2000 HzPower spectral density: 0.4 G²/HzAcceleration (RMS): 23.1 G |
| Tensile Resistance | ≥ 68 N (Φ2 mm cable) |
Environmental Performance
| Parameter | Specification |
| Operating Temperature | −55 °C to +125 °C (depending on cable) |
| Salt Mist Resistance | K: 500 hF: 48 hW: 500 hMW: 192 h (acidic atmosphere) |
| Airtightness (airtight adapter socket) | Gas leakage rate ≤ 1 × 10⁻⁹ Pa`m³/sPressure differential: 1 atm |
Optical Performance
| Parameter | Specification |
| Insertion Loss | ≤ 0.6 dB @ 850 nm≤ 1.0 dB @ 1310 nm |
| Return Loss | ≥ 20 dB @ 850 nm≥ 45 dB @ 1310 nm |
Custom Expanded Beam Connectors & Reliable Alternatives to Leading Global Brands
We provide customized expanded beam fiber optic connectors tailored to your exact application needs, while offering cost-effective and reliable alternatives to major international brands. From design to cable assembly, our engineering team ensures seamless integration and dependable performance in harsh environments.
Application
Aerospace & Avionics
Used in aircraft systems where vibration resistance and reliable optical transmission are essential.
Military & Defense
Provides stable fiber connections for tactical communications in dusty and high-shock environments.
Naval & Marine
Ideal for shipboard and offshore systems exposed to moisture, salt spray, and harsh conditions.
Industrial & Harsh Environments
Ensures reliable data transmission in factories, mining, and oil & gas applications.
Broadcast & Outdoor Communication
Suitable for outdoor broadcasting and field networks requiring fast and reliable fiber connections.
FAQ
1. What is an expanded beam fiber optic connector?
Expanded beam connectors use optical lenses to expand and collimate the light beam, allowing non-contact optical transmission. This design improves resistance to dust and contamination.
2. What standards do your connectors support?
Our connectors can be designed to comply with MIL-DTL-38999, MIL-DTL-83526, and ARINC 801 standards.
3.Do you support customization?
Yes. We can provide customized solutions including fiber count, connector interface, and cable assemblies according to project requirements.
4. Can your products replace well-known international brands?
Yes. Our expanded beam connectors are designed to provide performance comparable to leading global brands, while offering flexible customization and competitive pricing.
5. What industries use expanded beam connectors?
They are widely used in aerospace, defense, industrial equipment, outdoor communication systems, and harsh environment applications.
6. What are the advantages of expanded beam connectors?
Strong resistance to dust and contamination；Longer mating life；Reduced cleaning requirements；Reliable performance in harsh environments.
Why Cooperate With Us
Professional Expanded Beam Connector Manufacturer
We provide reliable expanded beam fiber optic connectors designed for demanding applications such as aerospace, defense, and industrial systems.
International Standard Compatibility
Our connectors are designed to comply with industry standards such as MIL-DTL-38999, MIL-DTL-83526, and ARINC 801, ensuring seamless integration with existing systems.
Custom Design Capability
We support flexible customization including shell size, fiber count, cable assemblies, and hybrid optical/electrical solutions to meet specific project requirements.
Reliable Alternative to Global Brands
Our solutions offer high reliability and performance comparable to leading international connector brands, providing customers with a cost-effective and dependable alternative.
Quality & Reliability
All products undergo strict testing to ensure stable optical performance and long service life in harsh environments.
Professional Service
We provide complete technical support from connector selection and customization to cable assembly, installation, and long-term engineering support.
Request a quote today and find the right expanded beam connector for your project！
