Fiber Optic Connectors

Image Part Number Description / PDF Quantity Rfq
1060400200

1060400200

Woodhead - Molex

CONN FIBER ESCON PLUG DUPLX

0

1060127440

1060127440

Woodhead - Molex

CONN FIBER ST PLUG SMPLX 127UM

0

1060535300

1060535300

Woodhead - Molex

CONN FIBER FC PLUG SMPLX 126UM

0

1063879000

1063879000

Woodhead - Molex

POLISHING FIX LUMACORE TERMINUS

0

1063870102

1063870102

Woodhead - Molex

CONN FIBER LUMACORE TERMINUS

0

1063871664

1063871664

Woodhead - Molex

CONN FIBER LC2 DUPLX 126UM

0

1060125440

1060125440

Woodhead - Molex

CONN FIBER ST PLUG SMPLX 126UM

0

1063871529

1063871529

Woodhead - Molex

CONN FIBER LC2 MM 142UM

0

1060130000

1060130000

Woodhead - Molex

CONN FIBER ST PLUG DMPLX 128UM

0

1060120440

1060120440

Woodhead - Molex

CONN FIBER ST PLUG SMPLX 127UM

0

1060105440

1060105440

Woodhead - Molex

CONN FIBER ST PLUG SMPLX 126UM

0

1060764300

1060764300

Woodhead - Molex

CONN FIBER SC PLUG SMPLX 125UM

0

1060325200

1060325200

Woodhead - Molex

CONN FIBER SC TUNABLE

0

1060025000

1060025000

Woodhead - Molex

CONN FIBER MT-RJ PLUG DUPLX

0

1060023031

1060023031

Woodhead - Molex

CONN FIBER MT-RJ PLUG DUPLX

0

1063872500

1063872500

Woodhead - Molex

CONN FIBER LC2 DUPLX 172MM

0

1060323080

1060323080

Woodhead - Molex

CONN FIBER SC PLUG SMPLX 128UM

0

1063872185

1063872185

Woodhead - Molex

CONN FIBER LC2 MM 126UM

0

1063872287

1063872287

Woodhead - Molex

CONN FIBER LC2 DUPLX 125.5UM

0

1060247145

1060247145

Woodhead - Molex

CONN FIBER LC PLUG SMPLX 126UM

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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