Fiber Optic Connectors

Image Part Number Description / PDF Quantity Rfq
1060103300

1060103300

Woodhead - Molex

CONN FIBER ST PLUG SMPLX 128UM

0

1060255000

1060255000

Woodhead - Molex

CONN FIBER LC PLUG DUPLX 126UM

0

1060762300

1060762300

Woodhead - Molex

CONN FIBER SC PLUG SMPLX 125.5UM

0

1060533170

1060533170

Woodhead - Molex

CONN FIBER FC PLUG SMPLX 128UM

0

1060325000

1060325000

Woodhead - Molex

CONN FIBER SC PLUG SMPLX 126UM

0

1060300100

1060300100

Woodhead - Molex

CONN FIBER FDDI PLUG DUPLX 127UM

0

1060123200

1060123200

Woodhead - Molex

CONN FIBER ST PLUG SMPLX 128UM

0

1060597700

1060597700

Woodhead - Molex

CONN FIBER LC PLUG DUPLX 126UM

0

1060730022

1060730022

Woodhead - Molex

CONN FIBER LC PLUG SMPLX 125.5UM

0

1060634500

1060634500

Woodhead - Molex

CONN FIBER SC PLUG SMPLX 125UM

0

1060105300

1060105300

Woodhead - Molex

CONN FIBER ST PLUG SMPLX 126UM

0

1060325060

1060325060

Woodhead - Molex

CONN FIBER SC PLUG SMPLX 126UM

0

1060327200

1060327200

Woodhead - Molex

CONN FIBER SC TUNABLE

0

1060320160

1060320160

Woodhead - Molex

CONN FIBER SC PLUG SMPLX 127UM

0

1060127500

1060127500

Woodhead - Molex

CONN FIBER ST PLUG SMPLX 127UM

0

1060320060

1060320060

Woodhead - Molex

CONN FIBER SC PLUG SMPLX 127UM

0

1060325500

1060325500

Woodhead - Molex

CONN FIBER SC PLUG SMPLX 126UM

0

1060340100

1060340100

Woodhead - Molex

CONN FIBER SC PLUG DUPLX 127UM

0

1060245300

1060245300

Woodhead - Molex

CONN FIBER LC PLUG SMPLX 126UM

0

1060902800

1060902800

Woodhead - Molex

CONN FIBER LC PLUG SMPLX 125.5UM

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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