DESCRIPTION
The SMA 905 to SMA 905 Multimode Simplex Fiber Optic Patch Cable is designed for high-power and industrial applications where ruggedness and stability are critical. Featuring precision SMA 905 connectors and multimode fiber options, this patch cord ensures reliable transmission for laser delivery, medical imaging, and sensing systems. Its strong construction and customizable design make it suitable for demanding laboratory, industrial, and defense environments.
Engineering Suitability & Selection Boundaries
When This Product Is the Right Choice
Typically used in industrial, medical, and laboratory optical systems where mechanical robustness and stable multimode coupling are prioritized over telecom-grade alignment precision.
Commonly selected for laser delivery, sensing, or illumination paths where higher optical power and larger core diameters are required.
Suitable when systems involve equipment-mounted connections subject to vibration, handling, or repeated mating rather than high-density patching.
Often applied in environments where custom core sizes and jacket structures are necessary to match specific instruments or power levels.
When This Product May NOT Be Suitable
May not be appropriate for telecommunication or data network applications that rely on standardized connectors, tight alignment tolerances, and low back reflection control.
Not typically chosen for high-density racks or panel-based systems where connector size and port density are limiting factors.
May be unsuitable for applications requiring consistent ultra-low insertion loss across frequent reconnect cycles, depending on system sensitivity.
Common Selection Mistakes to Avoid
Assuming SMA 905 connectors provide the same optical precision and repeatability as telecom connectors in signal-critical links.
Selecting core diameter without evaluating optical power density and coupling efficiency, which can impact fiber longevity.
Using SMA 905 patch cords in mixed environments that require cross-vendor interoperability or standardized interfaces.

- Rugged SMA 905 Connectors:Designed with high mechanical strength for secure connections in industrial and defense-grade systems.
- Stable Multimode Transmission:Supports a wide range of fiber core sizes to handle different optical power and distance requirements.
- Low-loss Performance:Precision-polished connectors ensure minimal insertion loss for consistent signal quality.
- Customizable Jacket Options:Available with PVC for standard use, LSZH for indoor safety, or Kevlar reinforcement for added strength.
- High Thermal Resistance:Operates reliably across a wide temperature range, suitable for harsh and variable environments.
| Item | Value |
| Connector | SMA 905 to SMA 905 |
| Insertion Loss | Typical ≤ 0.2dB, Maximum ≤ 0.3dB |
| Return Loss | ≥50 dB (PC) |
| Durability | ≤0.2 dB Typical Change, 1000 matings |
| Interchangeability | ≤0.2dB |
| Tensile Strength | >70N |
| Operating Temperature | -20 to + 70°C |
| Core Diameter | Customizable |
| Cable Jacket Material | PVC/LSZH/Kevlar-reinforced |
- Medical Systems: Used in endoscopy, laser surgery, and diagnostic imaging.
- Industrial Laser Delivery: Provides secure multimode connections in machining and automation.
- Spectroscopy: Ensures accurate light transmission for analytical instruments.
- Military and Aerospace: Ruggedized design withstands vibration and extreme conditions.
- Research Laboratories: Ideal for experimental setups requiring stable multimode coupling.
- What is an SMA 905 connector?
The SMA 905 is a robust fiber optic connector designed for high-power and industrial multimode applications.
- Which fiber core sizes are available?
Options range from 50 µm up to 1000 µm depending on optical power requirements.
- Can this cable handle high-power laser transmission?
Yes, SMA 905 connectors are widely used in laser delivery and medical systems due to their durability.
- What jacket options are available?
PVC, LSZH, and Kevlar-reinforced jackets can be chosen according to installation environments.
- What’s the difference between simplex and duplex versions?
Simplex carries a single fiber for one-way transmission, while duplex uses two fibers for bi-directional communication.
- Can the cable be customized in length?
Yes, lengths from 0.5 m to over 100 m are available upon request.
- Is this cable compatible with standard telecom equipment?
SMA 905 is not commonly used in telecom; it is more suited for industrial, medical, and research applications.
- Does it support both indoor and outdoor use?
Yes, with suitable jacket material (e.g., PE or armored), it can be used in outdoor or harsh conditions.







