Fiber Optic Connectors

Image Part Number Description / PDF Quantity Rfq
1060123440

1060123440

Woodhead - Molex

CONN FIBER ST PLUG SMPLX 128UM

0

1060555400

1060555400

Woodhead - Molex

CONN FIBER FC PLUG SMPLX 126UM

0

1060300200

1060300200

Woodhead - Molex

CONN FIBER FDDI PLUG DUPLX 127UM

0

1063871327

1063871327

Woodhead - Molex

CONN FIBER LC2 SM 125.5UM

0

1060033000

1060033000

Woodhead - Molex

CONN FIBER MT-RJ RECEPT DUPLX

0

1060663070

1060663070

Woodhead - Molex

CONN FIBER SC PLUG DUPLX 128UM

0

1060303000

1060303000

Woodhead - Molex

CONN FIBER FDDI PLUG DUPLX 128UM

0

1060253800

1060253800

Woodhead - Molex

CONN FIBER LC PLUG DUPLX 127UM

0

1063871927

1063871927

Woodhead - Molex

CONN FIBER LC2 SM 125.5UM

0

1060403100

1060403100

Woodhead - Molex

CONN FIBER ESCON PLUG DUPLX

0

1063871977

1063871977

Woodhead - Molex

CONN FIBER LC2 SM 125.5UM

0

1060630480

1060630480

Woodhead - Molex

CONN FIBER SC PLUG SMPLX 127UM

0

1060123000

1060123000

Woodhead - Molex

CONN FIBER ST PLUG SMPLX 128UM

0

1060320280

1060320280

Woodhead - Molex

CONN FIBER SC TUNABLE

0

1060130100

1060130100

Woodhead - Molex

CONN FIBER ST PLUG DMPLX

0

1060324080

1060324080

Woodhead - Molex

CONN FIBER SC PLUG SMPLX 125UM

0

1060325080

1060325080

Woodhead - Molex

CONN FIBER SC PLUG SMPLX 126UM

0

1060252600

1060252600

Woodhead - Molex

CONN FIBER LC PLUG DUPLX 125.5UM

0

1060323170

1060323170

Woodhead - Molex

CONN FIBER SC PLUG SMPLX 128UM

0

1060107300

1060107300

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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