LC to FC Fiber Optic Adapters are hybrid female-to-female adapters designed to connect LC-terminated and FC-terminated fiber optic components without re-terminating the fiber. The standard configuration is LC/UPC to FC/UPC, simplex, singlemode OS2 9/125 μm, with a precision zirconia ceramic alignment sleeve. Different connector polish types, fiber modes, housing materials, and mounting configurations can be specified for project requirements.
Adapter Specifications
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Parameter |
Standard Specification |
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Adapter Type |
LC to FC Hybrid Adapter |
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Connector Configuration |
LC/UPC to FC/UPC |
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Gender |
Female-to-Female |
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Channel |
Simplex |
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Fiber Mode |
Singlemode OS2 9/125 μm |
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Alignment Sleeve |
Precision Zirconia Ceramic |
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Typical Insertion Loss |
≤0.3 dB |
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Return Loss |
≥50 dB, UPC |
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Durability |
≥500 mating cycles |
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Operating Temperature |
-25°C to +70°C |
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Storage Temperature |
-40°C to +85°C |
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Mounting |
Panel Mount |
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Housing |
Engineering Plastic or Metal |
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Applicable Standards |
IEC 61754-20 / IEC 61754-13 interface requirements; RoHS |
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The LC interface follows the dimensional requirements of the LC connector family, while the FC side uses the standardized 2.5 mm ferrule interface and screw-coupling design.
Connector Compatibility
The adapter is designed for direct LC-to-FC interconnection, making it useful where equipment, patch panels, or existing fiber infrastructure use different connector platforms.
LC side: Compatible with standard LC connectors; UPC and APC configurations can be specified.
FC side: Compatible with standard FC connectors using the corresponding PC/UPC or APC configuration.
Fiber modes: siSglemode OS2 is the standard configuration; multimode versions such as OM3 and OM4 can be supplied when the adapter design and alignment sleeve are matched accordingly.
Polish matching: Connector polish types should be selected according to the mating components. LC and FC interfaces have separate IEC dimensional specifications.
For mixed connector networks, the hybrid adapter eliminates the need to replace otherwise serviceable patch cords or re-terminate installed fiber.
Adapter Structure
The adapter consists of two connector receptacles, a precision alignment sleeve, and an external housing with the required panel-retention structure.
The zirconia ceramic sleeve maintains ferrule alignment during mating and unmating, helping control optical coupling loss. The LC side uses a compact latch-type interface, while the FC side accommodates the threaded coupling mechanism characteristic of FC connectors.
Housing options include high-strength engineering plastic or metal, depending on mechanical requirements and panel design. Dust caps, shuttered structures, different flange designs, and customer-specific mounting features can also be configured.
Applications
Telecom and ODF Systems
Used to connect LC and FC patch cords within optical distribution frames, fiber panels, and carrier network equipment.
Data Center and Enterprise Fiber Networks
Suitable for equipment migration or legacy-to-new infrastructure where LC and FC interfaces need to coexist.
FTTx Distribution Equipment
Can be integrated into fiber distribution boxes, cabinets, termination panels, and other access-network equipment where mixed connector types are required.
Fiber Test and Measurement Equipment
Provides an interchangeable LC-to-FC interface for optical testing instruments and laboratory or production test panels.
OEM Fiber Panels and Assemblies
Suitable for panel manufacturers, enclosure builders, and system integrators requiring a specified hybrid adapter configuration.
Customization / OEM
Connector combination: Lc-fc and other hybrid configurations.
Polish: Upc or apc according to the mating connector configuration.
Fiber mode: Os2 singlemode and selected multimode configurations.
Sleeve: Zirconia ceramic; alternative sleeve materials can be evaluated for specific applications.
Housing: Plastic or metal construction.
Mounting: Standard panel mounting, flanged/flangeless structures, clips, or customer-specific mounting geometry.
Protection: Dust caps or shuttered designs.
Identification: Housing color, logo, port numbering, part number, and barcode labeling.
Packaging: Bulk, individual bags, or customer-specified packaging.
Quality & Inspection
Quality control should cover both optical performance and mechanical reliability. Typical inspection items include:
Insertion loss and return loss testing for the specified connector and polish configuration.
Dimensional inspection of adapter interfaces, mounting features, and alignment components.
Sleeve and ferrule alignment verification to maintain repeatable mating performance.
Mating-cycle testing to verify mechanical durability.
Visual inspection for housing defects, sleeve condition, contamination, and connector interface damage.
Temperature and environmental testing when required by the project specification.
Material and compliance documentation, including RoHS-related requirements when specified.
Inspection criteria and test reports can be aligned with the customer's drawings, purchase specifications, or applicable fiber-optic component standards.
FAQ
Q: Can you provide samples before a bulk order?
A: Yes. Samples can be provided for specification, connector compatibility, and assembly evaluation before bulk purchasing. Sample quantity and any applicable sample charges can be confirmed based on the requested configuration.
Q: What is the MOQ for LC to FC Fiber Optic Adapters?
A: For standard configurations, MOQ is typically 100 pieces. OEM configurations, special materials, or customized packaging may require a different MOQ, which can be confirmed before quotation.
Q: What is the typical lead time for bulk orders?
A: The typical processing time is 7–14 days, depending on order quantity and configuration. Shipping time is normally 20–30 days, with the final schedule confirmed according to the destination and shipping method.
Q: What payment methods do you accept?
A: We usually accept T/T, L/C, PayPal, and credit card. Other payment terms can be discussed for qualified orders or specific project requirements.
Q: What shipping methods are available?
A: Orders can be shipped by express, air freight, or sea freight, depending on quantity, delivery requirements, and destination. DDP, DAP, and EXW terms can also be arranged according to the order.
Q: Can you provide inspection reports with the order?
A: Yes. Inspection documentation can be supplied according to the agreed order requirements. Typical records may include insertion loss, return loss, dimensional inspection, and visual inspection results.
Q: How should I specify the adapter when requesting a quotation?
A: Provide the required LC/FC connector combination, UPC or APC polish, simplex or other configuration, fiber mode, housing type, mounting requirements, quantity, and packaging requirements. Drawings or reference samples are recommended for customized versions.
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