Description

F-SMA (SMA 905) Duplex Patch Cable with HCS / PCF Fiber

This assembled F-SMA (SMA 905) patch cable with HCS / PCF fiber is designed for demanding data and signal transmission in industrial, automotive, and medical environments. Both ends of the cable are terminated with simplex F-SMA (SMA 905) connectors, providing a robust and reliable interface to a wide range of optoelectronic devices such as transmitters, receivers, sensors, and measurement instruments that rely on large-core Polymer Clad Fiber (PCF) or Hard Clad Silica (HCS) technology.

The connectors conform to IEC 61754-22 / DIN EN 61754-22 and use 3.175 mm metal ferrules, which is a de facto standard for SMA 905 style interfaces in industrial fiber optics. This construction ensures wide compatibility with existing SMA-based systems and adapters frequently used in machine vision, spectroscopy, medical diagnostics, and high-power or multimode illumination applications. The defined air gap in the connector design supports stable optical performance and helps protect the fiber end face in applications where repeated connect/disconnect cycles and slight misalignments are common.

At the heart of the assembly is a halogen-free, flame-retardant duplex PCF cable (2 × 200/230 µm fibers) with an outer diameter of approximately 2.2 × 4.5 mm. The PCF 200/230 µm core/cladding geometry offers generous light acceptance and ease of alignment compared with standard glass multimode fibers, making it well suited for short- to medium-distance data links, sensor lines, and optical power delivery. Typical attenuation values are ≤ 10 dB/km at 650 nm (laser) and ≤ 8 dB/km at 850 nm (LED), depending on the specific fiber type, which aligns with performance expectations for modern industrial-grade HCS/PCF cables.

The robust mechanical design of the cable supports a short-term tensile strength of up to 300 N and incorporates a non-metallic aramid strain relief that protects the fibers from mechanical stress. On the connector level, integrated strain relief is rated at ≥ 150 N, helping maintain connector integrity and optical performance under vibration, bending, or pull forces that are typical in factory automation and moving machinery. With a rated temperature range of −20 to +70 °C (limited by the cable), the assembly is suitable for indoor harsh-environment installations, including production plants, test stations, and equipment cabins exposed to fluctuating environmental conditions.

Each cable end is equipped with two simplex F-SMA (SMA 905) connectors (one per fiber), enabling duplex transmission or separate channels for data and control, signaling and monitoring, or redundant links. This layout mirrors commonly used duplex PCF and HCS patch cable designs found in industrial and medical systems worldwide, ensuring easy integration into existing infrastructures. Low insertion loss, specified at ≤ 0.70 dB (fiber dependent), supports reliable signal budgets in multimode links and is in line with comparable premium SMA 905 assemblies used in high-precision measurement and control applications.

The orange cable jacket color identifies the assembly as a multimode-type link and simplifies routing and visual inspection in complex cabling environments such as control cabinets and laboratory setups. Thanks to the halogen-free, flame-retardant jacket material, the cable is also suitable for applications where strict fire safety and low smoke emission are required, for example in industrial buildings, vehicles, and medical facilities. In combination with the rugged all-metal SMA 905 connectors and large-core PCF fibers, this patch cable provides a durable, service-friendly solution for optical connections that must remain stable and low-maintenance over many mating cycles.

Overall, this F-SMA (SMA 905) HCS / PCF cable assembly delivers a balanced combination of optical performance, mechanical robustness, and environmental resistance. It is particularly well suited for system builders and integrators looking to implement reliable point-to-point optical links for sensors, control systems, imaging, and diagnostic devices in environments where electromagnetic immunity, mechanical durability, and ease of handling are paramount.

F-SMA 905 Duplex PCF Fiber Optic Patch Cable Orange HCS

Specifications

Core Diameter: 200 um
Wavelength Range: 0.65 – 0.85 um
Fiber Core Material: Fused Silica
Cable Length: 0.5 m
Outer Diameter: 2.2 × 4.5 mm
Temperature Range (assembly): −20 … +70 °C (limited by cable)
Connectors Per End: 2 × simplex (one per fiber)
Cable Jacket: Halogen-free, flame-retardant
Attenuation 850 Nm (LED): ≤ 8 dB/km
Attenuation 650 Nm (laser): ≤ 10 dB/km
Strain Relief (cable): Non-metallic (aramid)
Operating Temperature: −20 … +70 °C
Fiber: PCF 200/230 µm
Tensile Strength (cable): 300 N (short-term)
Cable Core: 2 PCF elements
Connector Type: F-SMA (SMA 905), simplex on both ends
Cable Manufacturer: Weinert Fiber Optics GmbH
Jacket Color: Orange (multimode)
Cable Designation: I-V(ZN)H 2x1K200/230
Strain Relief (connector): ≥ 150 N
Mating Cycles: 500
Insertion Loss: ≤ 0.70 dB (depends on fiber)
Ferrule Bore: depends on fiber
Fiber Type: HCS / PCF
Ferrule Diameter: Ø 3.175 mm, metal
Standard Compliance: IEC 61754-22, DIN EN 61754-22

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Features

  • High‑Performance F-SMA (SMA 905) Connectivity – Simplex F‑SMA (SMA 905) connectors on both ends, compliant with IEC 61754‑22 / DIN EN 61754‑22 for reliable and standardized optical connections.
  • Optimized for HCS / PCF Fiber – Designed for Hard Clad Silica (HCS) and Polymer Clad Fiber (PCF) with 200/230 µm core/cladding, ideal for short to medium distance data and signal transmission.
  • Low Insertion Loss for Stable Signal Quality – Typical connector insertion loss of ≤ 0.70 dB (fiber‑dependent) supports consistent optical performance in demanding industrial and medical applications.
  • Defined Air Gap Ferrule Design – 3.175 mm metal ferrule with a precisely defined air gap minimizes back reflections and ensures repeatable coupling to light sources such as LEDs and lasers.
  • Rugged Metal Connector Housing – Full‑metal F‑SMA housing provides excellent mechanical robustness, vibration resistance, and long‑term durability in harsh environments.
  • Halogen‑Free, Flame‑Retardant Jacket – Safety‑oriented cable design with a halogen‑free, flame‑retardant outer jacket reduces toxic smoke emission and supports use in safety‑critical indoor areas.
  • Engineered for Harsh Industrial Environments – Specifically suited for harsh indoor industrial installations, automation systems, as well as automotive and medical technology where mechanical and thermal stresses are present.
  • Excellent Flexibility and Mechanical Strength – 2‑fiber PCF cable with 2.2 × 4.5 mm outer diameter, non‑metallic aramid strain relief, and up to 300 N short‑term tensile strength, ensuring easy routing and robust handling.
  • Wide Operating Temperature Range – Cable specified for ambient temperatures from −20 °C to +70 °C, enabling reliable performance in refrigerated areas, factory floors, and warm equipment cabinets.
  • Low Fiber Attenuation for Short‑Range Links – Typical fiber attenuation of ≤ 10 dB/km at 650 nm (laser) and ≤ 8 dB/km at 850 nm (LED), well‑suited for short‑distance data, sensing, and control applications.
  • High Mating Cycle Durability – Rated for up to 500 mating cycles, allowing repeated connection and disconnection in test setups, laboratory environments, and service operations.
  • Strong Connector Strain Relief – Connector design with ≥ 150 N strain relief helps protect the fiber from mechanical overload at the transition between cable and connector.
  • Duplex Configuration with 2 × Simplex Connectors per End – Each cable end is equipped with two simplex SMA 905 connectors, enabling duplex transmission or parallel channels over a compact cable.
  • High‑Visibility Orange Multimode Jacket – Standard orange multimode color for easy identification of data/communication lines in panels, racks, and cable trays.
  • Custom Cable Lengths on Request – Available in customer‑specified lengths, allowing optimal adaptation to existing infrastructure without unnecessary slack or excess loss.
  • Non‑Metallic Aramid Strength Members – Integrated aramid yarn strain relief ensures lightweight yet strong reinforcement, supporting frequent movement and dynamic cable routing.
  • Compatible with Common Light Sources – SMA 905 interface with defined air gap is widely used and compatible with many industrial lasers, LEDs, and transmitters in sensing, measurement, and communication systems.
  • Reliable Brand and Industrial‑Grade Manufacturing – Assembled with quality components (e.g., Weinert Fiber Optics cable) by Amphenol Sachsenkabel for consistent, repeatable performance in professional applications.

Applications

Applications of F-SMA (SMA 905) Assembled HCS / PCF Cable

Assembled fiber optic cable with F-SMA (SMA 905) simplex connectors on both ends, using robust HCS / PCF fibers, low insertion loss (≤ 0.70 dB, fiber dependent) and a halogen-free, flame-retardant jacket. The construction and defined air-gap ferrule design make this cable ideal for reliable data and signal transmission in harsh industrial, automotive, and medical environments.

1. Industrial Automation and Factory Environments

  • Machine-to-machine communication – Optical links between controllers, I/O modules, and drives in production lines where electrical noise makes copper cables unreliable.
  • Industrial Ethernet and fieldbus extensions – Use in HCS/PCF-based Industrial Ethernet, RS-485, and serial links that require galvanic isolation and EMC immunity.
  • Robot and handling systems – Data and control signal routing to robotic arms and automated handling equipment that experience constant motion, vibration and mechanical stress.
  • Process control and monitoring – Connection of sensors, actuators, PLCs and distributed control systems (DCS) in chemical plants, refineries, food and beverage, and pharmaceutical production.
  • Harsh environment data links – Use in high-EMI areas, near motors, inverters, welding equipment, and high-current busbars where copper cables would suffer from interference.
  • Factory floor networking – Local backbone connections in production halls for camera systems, terminals, and industrial PCs.
  • Optical connection of safety systems – Integration into emergency stop chains, light curtains, access controls and safety PLCs where galvanic isolation and noise immunity are critical.

2. Automotive, Transportation and Mobility

  • Test benches and validation rigs – Data transmission between sensors, ECUs and measurement systems on engine, drivetrain and component test benches.
  • Vehicle-internal optical links (prototype and special vehicles) – Communication lines in electric, hybrid and fuel-cell vehicles for high-EMI compartments, battery systems and power electronics.
  • Railway and rolling stock – Connections in trains, trams and metros for control units, passenger information systems and monitoring electronics.
  • Commercial and special-purpose vehicles – Optical connections in buses, construction machinery, agricultural vehicles and military vehicles where vibration and EMC are challenging.
  • Automotive EMC test environments – Signal routing in shielded rooms, anechoic chambers and EMC labs where immunity to strong RF fields is necessary.

3. Medical Technology and Healthcare

  • Medical imaging systems – Optical signal transmission between imaging heads and control units in endoscopy, fluorescence imaging, and diagnostic optics modules.
  • Medical laser delivery and control – Use in low-to-medium power laser applications (e.g. therapy, dermatology, dental) for monitoring, triggering and control channels.
  • Patient monitoring equipment – Interference-free links between bedside modules, central stations and data acquisition units in high-EMI environments (e.g. operating rooms, intensive care).
  • Medical device networking – Internal and external communication in diagnostic devices (clinical analyzers, ophthalmic instruments, surgical systems) requiring galvanic isolation.
  • Electrosurgery and high-frequency equipment environments – Reliable data paths close to HF surgical generators where copper cabling may be disturbed or pose safety issues.

4. Measurement, Test and Laboratory Systems

  • Laboratory instrumentation – Optical links for spectrometers, fluorimeters, photometers and other analytical equipment operating around 650–850 nm.
  • Data acquisition and DAQ systems – EMC-robust connections between distributed sensors/measurement heads and central DAQ units over distances where plastic optical fiber (POF) is insufficient.
  • Metrology and calibration setups – Stable optical paths for reference signals, calibration standards, and precision sensors that benefit from defined air-gap SMA 905 terminations.
  • Environmental and process monitoring – Fiber links to gas analyzers, particle counters and environmental sensors located in difficult or hazardous areas.
  • Laboratory automation – Reliable communication between automated sample handlers, incubators, and central controllers in research and clinical laboratories.

Frequently Asked Questions

What is an F-SMA (SMA 905) HCS/PCF fiber optic patch cable and what is it used for?
This product is an assembled fiber optic patch cable featuring F‑SMA (SMA 905) simplex connectors on both ends and HCS/PCF (hard‑clad silica / polymer‑clad fiber) 200/230 µm fibers. It is designed for robust data and signal transmission in demanding indoor environments such as industrial automation, sensing, robotics, automotive test setups, and certain medical technology applications. The cable uses an orange, halogen‑free, flame‑retardant jacket and is suitable where standard glass multimode patch cords would be too fragile or where higher mechanical robustness and easier handling are required.
What are the key technical specifications of this SMA 905 to SMA 905 PCF cable?
Key specifications include: - Connectors: F‑SMA (SMA 905), simplex, metal housing, metal ferrule Ø 3.175 mm, defined air gap - Fiber type: HCS / PCF 200/230 µm (polymer‑clad fiber), 2 PCF elements (2‑fiber cable) - Insertion loss: typically ≤ 0.70 dB per connector (fiber‑dependent) - Attenuation: ≤ 10 dB/km at 650 nm (laser), ≤ 8 dB/km at 850 nm (LED), fiber‑dependent - Cable construction: I‑V(ZN)H 2×1K200/230, OD approx. 2.2 × 4.5 mm, non‑metallic aramid strain relief - Mechanical: cable tensile strength 300 N (short‑term), connector strain relief ≥ 150 N, mating cycles approx. 500 - Temperature range: −20 °C to +70 °C (limited by the cable) - Jacket: orange, halogen‑free, flame‑retardant for indoor industrial use.
What does the defined air gap in the F‑SMA (SMA 905) connector mean and why is it important?
A defined air gap in an SMA 905 connector means that the fiber endface is intentionally recessed from the ferrule front by a controlled distance, leaving a small air space between mating fiber ends. This design is common in high‑power and PCF/HCS applications and offers several advantages: - Reduces the risk of fiber or connector damage under higher optical power by preventing direct physical contact of the fiber endfaces. - Minimizes contamination transfer between connectors because the fiber cores do not rub directly against each other. - Enhances long‑term reliability in harsh industrial environments where vibration, dust, and frequent mating cycles are expected. Compared with random‑gap or contact‑polished connectors in some generic SMA cables, a defined air gap helps ensure more consistent optical performance and protects the PCF fiber.
What is the difference between HCS/PCF cables and standard glass multimode fiber patch cords?
HCS/PCF (hard‑clad silica / polymer‑clad fiber) cables differ from standard glass multimode fibers in several ways: - Core and cladding: They use a silica core with a polymer cladding, typically with large core sizes (e.g., 200/230 µm), while standard multimode fibers are all‑glass with core sizes like 50/125 µm or 62.5/125 µm. - Robustness: PCF is mechanically more robust, easier to handle, and more tolerant of bending and vibration, making it suitable for industrial and automation environments. - Connector interface: The large‑core PCF works very well with SMA 905 connectors commonly used in sensors, spectroscopy, and high‑power or LED‑based systems. - Attenuation and bandwidth: HCS/PCF typically has higher attenuation and lower bandwidth than high‑grade glass multimode, making it ideal for short‑ to medium‑distance links, sensor lines, and control connections rather than long‑haul data networks. This SMA 905 HCS/PCF cable targets robust short‑distance links and sensor or illumination applications rather than enterprise backbone cabling.
For which wavelengths and light sources is this SMA 905 PCF cable suitable?
The cable is optimized for typical PCF/HCS wavelengths in the visible to near‑infrared range, especially around: - 650 nm (red laser) with attenuation ≤ 10 dB/km - 850 nm (near‑IR LED) with attenuation ≤ 8 dB/km These parameters align with many industrial optical sensors, LED light sources, and short‑distance data or control links that use red or near‑IR wavelengths. The SMA 905 interface is widely used in spectroscopy, illumination, and sensor systems, so this cable is suitable for coupling LEDs, low‑ to medium‑power lasers, and detector modules that accept SMA 905 connectors. For very high optical power or other wavelength ranges, application‑specific checking with Amphenol Sachsenkabel is recommended.
Is this F‑SMA (SMA 905) HCS/PCF patch cord suitable for harsh or industrial environments?
Yes, the cable is designed specifically for demanding indoor industrial and technical environments. Key features that support this include: - Robust metal SMA 905 connectors with defined air gap and ≥ 150 N strain relief. - PCF 200/230 µm fibers with non‑metallic aramid strain relief to withstand handling and mechanical stress. - Halogen‑free, flame‑retardant orange jacket (I‑V(ZN)H) suitable for indoor industrial installations. - Operating temperature range from −20 °C to +70 °C and short‑term cable tensile strength up to 300 N. Typical uses include factory automation, machine vision, sensors, automotive test rigs, and certain medical and laboratory systems that require a rugged optical connection with an SMA 905 interface.
What customization options are available for this SMA 905 to SMA 905 fiber optic cable (length, fiber count, and compatibility)?
According to the specification, cable length is available on request, allowing users to order application‑specific lengths rather than only fixed standard lengths. Each end of the cable is equipped with 2× simplex F‑SMA (SMA 905) connectors (one per fiber) for the 2‑fiber PCF cable core. The product is mechanically and optically compatible with industry‑standard SMA 905 / F‑SMA receptacles compliant with IEC 61754‑22 / DIN EN 61754‑22, commonly found on industrial sensors, LED and laser sources, spectrometers, and measurement equipment. For special configurations (different fiber types, alternative labeling, higher fiber counts, or specific device compatibility), customers should contact Amphenol Sachsenkabel directly for engineered variants.

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