SC/UPC Simplex Fiber Optic Pigtail Single Mode 9/125μm Yellow Jacket 0.9mm 1M

• SC/UPC Factory-Polished Connector: Automated manufacturing delivers <0.3dB insertion loss and >50dB return loss with consistent quality
• OS2 Single-Mode Performance: 9/125μm fiber supports unlimited distance transmission at 1310nm and 1550nm wavelengths
• Fusion-Ready Bare Fiber Interface: Pre-cleaved fiber end with protective cap enables immediate splicing without additional preparation
• Compact 0.9mm Tight-Buffer Design: Space-efficient construction for high-density installations in controlled environments
• 1-Meter Installation-Optimized Length: Balances splice-to-panel reach requirements with minimal cable management overhead
• Yellow TIA-598 Identification: Standard color coding prevents cross-connection errors with incompatible multimode fiber
• Simplex Single-Fiber Configuration: Cost-effective format for unidirectional links, BiDi transceivers, or separate TX/RX fiber paths
• Multi-Standard Certified: Meets ISO 9001, RoHS, and Bellcore GR-326-CORE requirements for quality, environment, and reliability

• Telecommunications Central Office Distribution: Terminates incoming outside plant cables to organized distribution frames providing flexible cross-connection to transmission equipment
• Long-Haul Network Regeneration Sites: Enables mid-span access points where amplifiers or regenerators connect to fiber spans extending hundreds of kilometers
• Metropolitan Area Network Nodes: Creates structured splice points in metro rings and mesh networks requiring organized fiber management and equipment interfaces
• Passive Optical Network (PON) Distribution: Terminates feeder fibers at splitter locations and distribution panels in GPON, XG-PON, and NG-PON2 architectures
• Data Center Interconnect Facilities: Provides splice-to-connector transitions at meet-me rooms and cross-connect facilities linking separate data center campuses
• Enterprise Campus Backbones: Connects building-to-building single-mode fiber runs to equipment in telecommunications rooms and data closets
• CATV Headend Distribution: Links optical transmitters, receivers, and combiners in cable television facilities requiring organized fiber management
• Financial Trading Networks: Supports ultra-low-latency connections between trading floors and exchange co-location facilities where distance exceeds multimode capabilities

Successful single-mode pigtail installation demands meticulous attention to fusion splice preparation due to the 9μm core’s sensitivity to alignment errors and contamination. Begin by carefully stripping 50-60mm of 0.9mm buffer coating from the pigtail’s bare fiber end using calibrated fiber strippers—single-mode fiber’s small core makes it more vulnerable to damage from excessive stripping force than multimode fiber. Clean the exposed 125μm cladding using lint-free wipes moistened with 99.9% pure isopropyl alcohol, wiping in one direction from buffered section toward fiber tip. Even microscopic contamination causes measurable splice loss in single-mode applications, so verify cleanliness under magnification if possible.

Cleave the fiber using a high-precision cleaver specifically designed for single-mode applications—cleave angle tolerance is critical since the 9μm core provides minimal margin for error. Target a cleave angle under 0.5 degrees from perpendicular, with a smooth, mirror-finish end-face free from lips, hackles, or chips. Poor cleave quality that might be tolerable in multimode splicing will cause unacceptable loss or splice failures in single-mode work. Set the cleaver for the exposed fiber length specified by your fusion splicer (typically 10-16mm from buffer edge to cleaved end).

• Length Customization: Production accommodates any requirement from 0.3-meter compact assemblies to 20-meter extended routing between remote splice points
• Connector Type Options: LC, FC, or ST connectors available as SC alternatives, supporting diverse equipment interfaces and legacy system requirements
• APC Polish Upgrade: Angled polish connectors delivering >60dB return loss for applications sensitive to optical reflections including analog transmission and high-power systems
• Multi-Fiber Configurations: Ribbon pigtails with 4, 8, or 12 fibers individually connectorized enable mass fusion splicing for high-density applications
• Distribution Cable Construction: 3.0mm jacketed versions available for extended routing requiring enhanced mechanical protection beyond 0.9mm tight-buffer capabilities
• Bend-Insensitive Fiber: G.657.A1/A2 specifications available for installations requiring reduced bend radius sensitivity in confined spaces
• Custom Labeling Programs: Laser-etched identification, color-coded boots, or circuit-specific markings support sophisticated cable management documentation

Customized Fiber Optic Pigtail Solutions

Fiber Type	OS2 Single Mode, OM3, OM4, OM5 Multimode
Connector Type	LC, SC, ST, FC, E2000, MPO/MTP
Polishing Type	UPC, APC
Fiber Count	1 Fiber, 4 Fibers, 6 Fibers, 12 Fibers, 24 Fibers, Custom Counts
Pigtail Construction	Single Fiber, Bundle Fan-out, Breakout, Ribbon
Fiber Structure	250μm Bare Fiber, 900μm Tight Buffer
Cable Diameter	0.9mm, 1.6mm, 2.0mm, Customized
Cable Length	Customized Length Available
Jacket Material	PVC, LSZH, OFNR, Plenum
Packaging & Labeling	Customized Packaging and Private Label

Order Fulfillment: Standard configurations ship same-day for orders confirmed by noon EST. Custom specifications including non-standard connectors, specialized fiber types, or unique lengths complete within 5-9 business days.

Performance Documentation: Each pigtail ships with factory test data showing insertion loss at 1310nm and 1550nm, return loss measurements, and high-resolution end-face inspection photographs. Compliance certificates for ISO 9001, RoHS, and Bellcore GR-326-CORE available upon request.

Quality Control: Automated interferometric testing validates ferrule geometry on every connector, measuring key parameters including radius of curvature, apex offset, and fiber height. This comprehensive testing catches defects that visual inspection alone would miss, ensuring consistent field performance.

Technical Support: Applications engineering staff provide consultation on single-mode system design, fusion splicing optimization, OTDR testing interpretation, and troubleshooting assistance for challenging installations.

Single-Mode Pigtail Technical Reference

Q: What distinguishes single-mode pigtails from multimode versions beyond just fiber core size?

A: Beyond the obvious 9μm versus 50μm core difference, single-mode pigtails require tighter manufacturing tolerances throughout. The connector ferrule must hold the 9μm core within ±1μm of center (versus ±3μm for multimode), polishing must achieve superior surface finish (Ra <1nm versus <2nm), and cleave angles must be more precise (<0.5° versus <2°). These tighter specifications translate to higher manufacturing costs but are essential for achieving the <0.05dB splice loss and <0.3dB connector loss required in single-mode systems. Additionally, single-mode pigtails must be tested at both 1310nm and 1550nm wavelengths since performance varies with wavelength, while multimode testing occurs only at 850nm.

Q: Should I use SC/UPC or SC/APC pigtails for my application, and can they be mixed?

A: Use SC/UPC (blue boot, flat polish) for most data communications applications where 50dB return loss is adequate—this includes nearly all Ethernet, Fibre Channel, and digital telecommunications systems. Use SC/APC (green boot, 8° angled polish) for applications requiring >60dB return loss: analog video transmission, RF-over-fiber, passive optical networks, systems with optical amplifiers, or high-power laser sources sensitive to reflections. Never mate UPC with APC connectors—the 8° angle mismatch causes >2dB insertion loss and can physically damage ferrule surfaces. Color coding prevents this error: blue mates only with blue, green only with green.

Q: Why do single-mode fusion splice losses measure so much lower than connector losses?

A: Fusion splices achieve 0.01-0.05dB loss because they create permanent, aligned fiber-to-fiber joints with nearly perfect core alignment and minimal interface reflection. The glass itself fuses together, eliminating any air gap or interface discontinuity. Connectors must accommodate repeated mating cycles, requiring mechanical tolerances that introduce small air gaps and alignment imperfections even with UPC polish. Additionally, connectors accumulate contamination from repeated connections that fusion splices (being permanent and protected) avoid. This is why critical long-distance links minimize connector count and rely primarily on fusion splices for joining fiber segments.

Q: How does single-mode fiber’s chromatic dispersion affect pigtail selection or installation?

A: Chromatic dispersion—the wavelength-dependent velocity variation in single-mode fiber—doesn’t directly affect pigtail selection since pigtails are typically <10 meters where dispersion is negligible. However, understanding your system’s operating wavelength matters for testing. G.652.D fiber has zero dispersion near 1310nm and approximately 17 ps/(nm·km) at 1550nm. For DWDM systems operating in the 1550nm window, this dispersion accumulates over long spans and may require dispersion compensation—but the pigtail’s contribution is insignificant. The main pigtail consideration is ensuring you test at your operating wavelength since fiber attenuation and connector loss both vary with wavelength.