Fiber Optic Connectors

Image Part Number Description / PDF Quantity Rfq
1060245000

1060245000

Woodhead - Molex

CONN FIBER LC PLUG SMPLX 126UM

0

1060323570

1060323570

Woodhead - Molex

CONN FIBER SC PLUG SMPLX 128UM

0

1060906240

1060906240

Woodhead - Molex

CONN FIBER LC APC 125.25UM

0

1060242600

1060242600

Woodhead - Molex

CONN FIBER LC PLUG SMPLX 125.5UM

0

1063871602

1063871602

Woodhead - Molex

CONN FIBER LC2 DUPLX 125.5UM

0

1063871604

1063871604

Woodhead - Molex

CONN FIBER LC2 DUPLX 126UM

0

1063871800

1063871800

Woodhead - Molex

CONN FIBER LC2 DUPLX 126UM

0

1063872187

1063872187

Woodhead - Molex

CONN FIBER LC2 MM 127UM

0

1060135500

1060135500

Woodhead - Molex

CONN FIBER ST PLUG DMPLX 126UM

0

1060323070

1060323070

Woodhead - Molex

CONN FIBER SC PLUG SMPLX 128UM

0

1063871860

1063871860

Woodhead - Molex

CONN FIBER LC2 DUPLX 126UM

0

1060906260

1060906260

Woodhead - Molex

CONN FIBER LC APC 125.25UM

0

1060327100

1060327100

Woodhead - Molex

CONN FIBER SC

0

1060320080

1060320080

Woodhead - Molex

CONN FIBER SC PLUG SMPLX 127UM

0

1063872131

1063872131

Woodhead - Molex

CONN FIBER LC2 MM 172UM

0

1060123500

1060123500

Woodhead - Molex

CONN FIBER ST PLUG SMPLX 128UM

0

1060637470

1060637470

Woodhead - Molex

CONN FIBER SC PLUG SMPLX 127UM

0

1060637500

1060637500

Woodhead - Molex

CONN FIBER SC PLUG SMPLX 127UM

0

1060325570

1060325570

Woodhead - Molex

CONN FIBER SC PLUG SMPLX 126UM

0

1060107500

1060107500

Woodhead - Molex

CONN FIBER ST PLUG SMPLX 127UM

0

Fiber Optic Connectors

1. Overview

Fiber optic connectors are opto-mechanical devices that align and join optical fibers to enable light transmission. They play a critical role in telecommunications, data centers, and industrial systems by enabling rapid deployment, maintenance, and scalability of fiber networks. Modern advancements require connectors to support higher bandwidths, lower loss, and robust environmental performance.

2. Major Types and Functional Classification

TypeFunctional FeaturesApplication Examples
LC (Lucent Connector)Push-pull latch mechanism, compact sizeDatacom transceivers, SFP modules
SC (Subscriber Connector)Double-click latch, high durabilityTelecom networks, PON systems
ST (Straight Tip)Bayonet mount, quick connect/disconnectEnterprise networks, legacy systems
FC (Ferrule Connector)Screw-on design, vibration resistanceTest equipment, high-vibration environments
MPO/MTP (Multi-fiber Push On)Multi-fiber alignment (up to 24 fibers)Data center backbone, 400G Ethernet

3. Structure and Components

Typical fiber optic connectors consist of: - Ferrule: Ceramic, polymer, or metal tube holding fiber end - Adapter sleeve: Aligns ferrules in mating connections - Cable boot: Stress relief for fiber cable - Housing: Protective enclosure (ABS/polycarbonate) - Dust cap: Protects endface from contamination

4. Key Technical Specifications

ParameterTypical RangeSignificance
Insertion Loss (dB)0.1-0.5 dBMeasures signal attenuation at connection point
Return Loss (dB)20-60 dBReflectance performance affecting system stability
Endface Geometry ( m)Radius: 10-25mmApex offset & fiber height impact optical contact
Durability (Mating Cycles)500-2000 cyclesLongevity under repeated use
Operating Temperature-40 C to +85 CEnvironmental reliability

5. Application Areas

  • Telecommunications: 5G backhaul, FTTH networks
  • Data Centers: Hyperscale server interconnects
  • Industrial: Harsh environment sensor systems
  • Medical: Endoscopic imaging equipment
  • Aerospace: Avionics fiber harnesses

6. Leading Manufacturers and Products

ManufacturerRepresentative Products
Amphenol Fiber SolutionsCS Series connectors, OptiMPO
TE ConnectivityCONEC LX-5, MULTILANE MPO
3MVolition Field Installable Connectors
Senko Advanced ComponentsSN Series singlemode connectors

7. Selection Guidelines

Key considerations include: - Transmission requirements (singlemode/multimode) - Environmental conditions (temperature, vibration) - Space constraints (LC preferred for high-density) - Termination method (factory terminated vs field installable) - Cost vs performance trade-offs

8. Industry Trends

Emerging trends include: - Migration to 8 angled physical contact (APC) for 400G+ systems - Miniaturization (CS/MRJ21 connectors for 1RU equipment) - Smart connectors with embedded diagnostics - Increased adoption of polymer ferrules for cost-sensitive applications - Standardization of multi-fiber interfaces (MPO Type II/III)

9. Real-world Application Case

A hyperscale data center implemented MPO-12 connectors for 100G parallel optics, achieving 40% space reduction compared to LC-based solutions. The design incorporated anti-rotation keying to prevent misalignment in high-density patch panels.

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