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Optical Fiber Adapters – Precision Connectivity for Reliable Fiber Networks
High-quality optical fiber adapters – LC, SC, FC, ST, MPO/MTP, E2000, simplex/duplex/quad, UPC/APC, flange/snap-in mount. Zirconia ceramic sleeve, low insertion loss, factory-tested. OEM/ODM available.
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LC-LC Duplex Fiber Optic Adapter – Compact, High-Density Coupler for Network PanYRTFIBER LC-LC duplex fiber adapter (coupler) with ceramic or phosphor bronze sleeve, high precision alignment, low inse...View Details -
SC-FC Hybrid Fiber Optic Adapter – Duplex Flange Coupler for Singlemode NetworksYRTFIBER SC-FC hybrid fiber adapter (flange coupler) with zirconia ceramic sleeve, low insertion loss, high return loss....View Details -
SC-SC Duplex Flange Fiber Optic Adapter – High-Precision Zirconia Sleeve for SinYRTFIBER SC-SC duplex flange adapter with high-precision zirconia ceramic sleeve, low insertion loss. Supports singlemod...View Details -
ST Flange Fiber Optic Adapter – Rugged Bayonet-Style Coupler for Singlemode &YRTFIBER ST flange fiber adapter with bayonet locking, zirconia ceramic sleeve, low insertion loss (0.2dB). Supports sin...View Details -
SC Fiber Optic Adapter – High-Precision SC Coupler for Singlemode & MultimodYRTFIBER SC fiber optic adapter with zirconia ceramic sleeve, low insertion loss, push-pull latching design. Supports si...View Details -
High‑Density MPO Fiber Optic Adapter for Data Center & High‑Speed Network CoHigh‑density MPO fiber optic adapter for ultra-fast, space‑efficient connections in data centers and high‑speed networks...View Details -
High-Precision FC Fiber Adapter – Durable FC Coupler with Thread Locking for StaYRTFIBER FC fiber adapter with thread locking, zirconia ceramic sleeve, low insertion loss (0.2dB). Supports PC/UPC/APC ...View Details -
LC-LC Duplex Fiber Optic Adapter – Compact, High-Density Coupler for Network PanYRTFIBER LC-LC duplex fiber adapter (coupler) with zirconia ceramic sleeve, low insertion loss (0.2dB). Supports single-...View Details
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What is Optical Fiber Adapter?
An optical fiber adapter (also called a coupler or mating sleeve) is a precision alignment device that connects two fiber optic connectors together, enabling a secure and low‑loss optical link between fiber cables or equipment. Adapters are essential components in fiber optic networks, providing reliable, repeatable connections with minimal insertion loss and back reflection. YRTFIBER manufactures a comprehensive range of high‑performance fiber optic adapters in LC, SC, FC, ST, MPO/MTP, and E2000 styles, available in simplex, duplex, and quad configurations, with various mounting options to meet diverse network requirements.
Fiber Adapter Types
LC Adapter – Small form‑factor adapter for LC connectors. Available in simplex, duplex, and quad configurations. Ideal for high‑density patching in data centers and telecom rooms.
SC Adapter – Standard square adapter for SC connectors. Push‑pull design for easy insertion. Widely used in FTTH, CATV, and data networks. Available in simplex and duplex.
FC Adapter – Round adapter with threaded metal housing for FC connectors. Provides secure, vibration‑resistant connections. Preferred for telecom and test equipment.
ST Adapter – Round adapter with bayonet locking mechanism for ST connectors. Commonly found in legacy networks and multimode applications.
MPO/MTP Adapter – Multi‑fiber adapter supporting 8 to 24 fibers in a single interface. Designed for high‑density 40G/100G/400G data center backbones. Available in key‑up/key‑down and male/female guide pin configurations.
E2000 Adapter – High‑performance adapter with a spring‑loaded shutter for dust and laser safety protection. Ideal for high‑reliability telecom and CATV applications.
Hybrid Adapters – Adapters that connect different connector types (e.g., LC to SC, SC to FC). Ideal for transitional and legacy network environments.
Mounting Options
Flange Mount – Panel‑mount adapters with flange for secure installation on equipment panels, patch panels, and enclosures.
Snap‑in Mount – Tool‑less snap‑in adapters for quick installation in pre‑cut panel openings.
DIN Rail Mount – Adapters designed for DIN rail installation in industrial and control cabinet environments.
Feed‑through Mount – Bulkhead adapters for wall or enclosure pass‑through applications.
Key Specifications
Connector compatibility: LC, SC, FC, ST, MPO/MTP, E2000
Ferrule alignment sleeve: Zirconia ceramic or phosphor bronze – precision alignment for low loss
Insertion loss: ≤ 0.2 dB (typical)
Return loss: ≥ 50 dB (UPC) / ≥ 60 dB (APC) – depending on connector polish
Durability: ≤ 0.2 dB change after 1000 mating cycles
Operating temperature: -40 to 85°C
Housing material: High‑impact plastic, zinc alloy, or stainless steel
Flange color: Blue (UPC), Green (APC), Beige (multimode), Aqua (OM3/OM4)
Compliance: Telcordia GR‑326, IEC 61754 series, RoHS, REACH
Typical Applications
Optical distribution frames (ODF) and patch panels
Data center server‑to‑switch interconnections
FTTH/FTTx distribution networks
Telecom central office patching
Test and measurement equipment
Wall outlets and equipment enclosures
Why Choose YRTFIBER?
15+ years of experience, 4M+ fiber‑km annual capacity
Precision zirconia ceramic alignment sleeves for low insertion loss
100% factory tested – each adapter comes with IL test report
Virgin Corning / Yangtze compatible fiber
Factory pricing – 10–20% more competitive
7–15 working days lead time
3‑year warranty + free engineering support
OEM/ODM available – custom colors, flanges, and packaging
Ordering Process
Inquiry with adapter type, connector polish (UPC/APC), mounting type, quantity
Quote within 24 h (proforma invoice + lead time + freight)
30% deposit + confirm adapter / marking details
Production with in‑process photos/videos
FAT + balance – IL test reports reviewed before shipment
Shipping and after‑sales support
Certifications & Standards
ISO 9001 / ISO 14001
Telcordia GR‑326
IEC 61754 series (LC: 61754‑20, SC: 61754‑4, FC: 61754‑13, ST: 61754‑2, MPO: 61754‑7)
RoHS, REACH, CE
UL / CPR on request
Packaging & Shipping
Individual PE bags or plastic trays with protective dust caps
Clear labeling with adapter type, polish, and test data
Carton packaging for safe transport
Customized packaging available for OEM orders
Frequently Asked Questions
UPC or APC adapter – which should I choose? APC (green flange) is designed for APC connectors and offers lower return loss (≥ 60 dB) – preferred for analog video and PON applications. UPC (blue flange) is standard for most digital networks.
What is the difference between simplex and duplex adapters? Simplex adapters hold a single connector; duplex adapters hold two connectors side‑by‑side for bi‑directional communication.
Zirconia ceramic vs phosphor bronze alignment sleeve – which is better? Zirconia ceramic offers superior precision, lower insertion loss, and better durability – the preferred choice for high‑performance networks. Phosphor bronze is more cost‑effective for less demanding applications.
Can I get hybrid adapters (e.g., LC to SC)? Yes. YRTFIBER offers hybrid adapters for connecting different connector types in transitional network environments.
MOQ? From 100 pieces; best pricing from 1,000 pieces.
Warranty? 3‑year on materials and workmanship.
Ready to order optical fiber adapters? Send your specs to our engineers now → Reply within 24 working hours.
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