Fiber Optic Connectors

Image Part Number Description / PDF Quantity Rfq
1060252400

1060252400

Woodhead - Molex

CONN FIBER LC PLUG DUPLX 125.5UM

0

1060035000

1060035000

Woodhead - Molex

MT-RJ CONN SM FEMALE BLUE BOOT

0

1060325180

1060325180

Woodhead - Molex

CONN FIBER SC PLUG SMPLX 126UM

0

1060107400

1060107400

Woodhead - Molex

CONN FIBER ST PLUG SMPLX 127UM

0

1063871304

1063871304

Woodhead - Molex

CONN FIBER LC2 SM 126UM

0

1060324280

1060324280

Woodhead - Molex

CONN FIBER SC TUNABLE

0

1060033310

1060033310

Woodhead - Molex

CONN FIBER MT-RJ RECEPT DUPLX

0

1060133000

1060133000

Woodhead - Molex

CONN FIBER ST PLUG DMPLX 128UM

0

1060323250

1060323250

Woodhead - Molex

CONN FIBER SC TUNABLE

0

1060630300

1060630300

Woodhead - Molex

CONN FIBER SC PLUG SMPLX

0

1060327950

1060327950

Woodhead - Molex

CONN FIBER SC PLUG SMPLX 127UM

0

1063871302

1063871302

Woodhead - Molex

CONN FIBER LC2 SM 125.5UM

0

1060323000

1060323000

Woodhead - Molex

CONN FIBER SC PLUG SMPLX 128UM

0

1060137100

1060137100

Woodhead - Molex

CONN FIBER ST PLUG DMPLX 127UM

0

1060630500

1060630500

Woodhead - Molex

CONN FIBER SC PLUG SMPLX

0

1060023032

1060023032

Woodhead - Molex

CONN FIBER MT-RJ PLUG DUPLX

0

1063871562

1063871562

Woodhead - Molex

CONN FIBER LC2 MM 127UM

0

1060320100

1060320100

Woodhead - Molex

CONN FIBER SC PLUG SMPLX 127UM

0

1060303100

1060303100

Woodhead - Molex

CONN FIBER FDDI PLUG DUPLX 128UM

0

1060123400

1060123400

Woodhead - Molex

CONN FIBER ST PLUG SMPLX 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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