Fiber Optic Connectors

Image Part Number Description / PDF Quantity Rfq
1060327170

1060327170

Woodhead - Molex

CONN FIBER SC PLUG SMPLX 127UM

0

1060343900

1060343900

Woodhead - Molex

CONN FIBER SC PLUG DUPLX 128UM

0

1060105500

1060105500

Woodhead - Molex

CONN FIBER ST PLUG SMPLX 126UM

0

1060535500

1060535500

Woodhead - Molex

CONN FIBER FC PLUG SMPLX 126UM

0

1060323050

1060323050

Woodhead - Molex

CONN FIBER SC PLUG SMPLX 128UM

0

1060320200

1060320200

Woodhead - Molex

CONN FIBER SC TUNABLE

0

1060632200

1060632200

Woodhead - Molex

CONN FIBER SC PLUG SMPLX 126UM

0

1060245600

1060245600

Woodhead - Molex

CONN FIBER LC PLUG SMPLX 126UM

0

1060100500

1060100500

Woodhead - Molex

CONN FIBER ST PLUG SMPLX 127UM

0

1060325250

1060325250

Woodhead - Molex

CONN FIBER SC TUNABLE

0

1060253000

1060253000

Woodhead - Molex

CONN FIBER LC PLUG DUPLX 127UM

0

1060324050

1060324050

Woodhead - Molex

CONN FIBER SC PLUG SMPLX 125UM

0

1060325950

1060325950

Woodhead - Molex

CONN FIBER SC PLUG SMPLX 126UM

0

1060715000

1060715000

Woodhead - Molex

CONN FIBER SC RECEPT SMPLX 126UM

0

1060324950

1060324950

Woodhead - Molex

CONN FIBER SC PLUG SMPLX 125UM

0

1060257471

1060257471

Woodhead - Molex

CONN FIBER LC PLUG DUPLX 127UM

0

1060533000

1060533000

Woodhead - Molex

CONN FIBER FC PLUG SMPLX 128UM

0

1060655500

1060655500

Woodhead - Molex

CONN FIBER SC PLUG SMPLX 126UM

0

1060655300

1060655300

Woodhead - Molex

CONN FIBER SC PLUG SMPLX 126UM

0

1060343000

1060343000

Woodhead - Molex

CONN FIBER SC PLUG DUPLX 128UM

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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