Fiber Optic Connectors

Image Part Number Description / PDF Quantity Rfq
1063871525

1063871525

Woodhead - Molex

CONN FIBER LC2 MM 126UM

0

1060667000

1060667000

Woodhead - Molex

CONN FIBER SC PLUG DUPLX 127UM

0

1060320900

1060320900

Woodhead - Molex

CONN FIBER SC PLUG SMPLX 127UM

0

1060325070

1060325070

Woodhead - Molex

CONN FIBER SC PLUG SMPLX 126UM

0

1060327510

1060327510

Woodhead - Molex

CONN FIBER SC PLUG SMPLX 127UM

0

1063872127

1063872127

Woodhead - Molex

CONN FIBER LC2 MM 127UM

0

1060252000

1060252000

Woodhead - Molex

CONN FIBER LC PLUG DUPLX 125.5UM

0

1060535070

1060535070

Woodhead - Molex

CONN FIBER FC PLUG SMPLX 126UM

0

1060023400

1060023400

Woodhead - Molex

CONN FIBER MT-RJ PLUG DUPLX

0

1060902260

1060902260

Woodhead - Molex

CONN FIBER LC PLUG SMPLX 125.5UM

0

1063872229

1063872229

Woodhead - Molex

CONN FIBER LC2 DUPLX 126UM

0

1060242250

1060242250

Woodhead - Molex

CONN FIBER LC PLUG SMPLX 125.5UM

0

1060134100

1060134100

Woodhead - Molex

CONN FIBER ST PLUG DMPLX 125UM

0

1060257185

1060257185

Woodhead - Molex

CONN FIBER LC PLUG DUPLX 127UM

0

1060902230

1060902230

Woodhead - Molex

CONN FIBER LC PLUG SMPLX 125.5UM

0

1060902250

1060902250

Woodhead - Molex

CONN FIBER LC PLUG SMPLX 125.5UM

0

1060605300

1060605300

Woodhead - Molex

CONN FIBER SC

0

1060125300

1060125300

Woodhead - Molex

CONN FIBER ST PLUG SMPLX 126UM

0

1063871564

1063871564

Woodhead - Molex

CONN FIBER LC2 MM 142UM

0

1063871507

1063871507

Woodhead - Molex

CONN FIBER LC2 MM 172UM

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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