High-Speed Single-Mode Bare Optical Fiber for 5G Networks – 250μm Coated, Low Dispersion, Wide Temperature Range (-40°C to +85°C)

Product Overview

Winner single-mode bare optical fiber with a 250 μm dual acrylate coating is engineered to meet the stringent demands of 5G fronthaul/midhaul, cloud-scale data centers, and long-haul telecom networks. Built on a precision 9/125 μm geometry platform, the fiber achieves exceptional signal integrity through ultra-low attenuation (≤0.20 dB/km @1550 nm), controlled chromatic dispersion (<18 ps/(nm·km) at 1550 nm), and outstanding geometric consistency.

Its core-cladding concentricity error of ≤0.6 μm and cladding non-circularity of ≤1.0% minimize splice loss and ensure compatibility with automated fusion splicing systems. The fiber operates reliably across an extended temperature range of -40°C to +85°C, making it suitable for outdoor cabinets, unconditioned cell sites, and industrial edge deployments. With a cutoff wavelength ≤1260 nm and warpage ≥4 m, it guarantees stable single-mode operation and mechanical robustness during handling and cabling.

Technical Specifications

Applications

• 5G wireless infrastructure: CPRI/eCPRI fronthaul, Open RAN midhaul links
• Data center interconnects (DCI) supporting 10G/25G/100G Ethernet and OTN
• Metro aggregation and access networks requiring high bandwidth density
• Industrial IoT gateways and edge computing nodes in extreme environments
• Long-distance backbone segments with minimal dispersion compensation

Standards & Compatibility

Winner fiber complies with ITU-T G.652.D, IEC 60793-2-50 B1.3, and Telcordia GR-20-CORE. It is fully compatible with standard LC/SC/FC connectors, fusion splicers, and transceivers including SFP+, QSFP28, and CFP2 for 10GBASE-LR, 25GBASE-ER, and 100GBASE-LR4 applications.