Fiber Optic Connectors

Image Part Number Description / PDF Quantity Rfq
1063872487

1063872487

Woodhead - Molex

CONN FIBER LC2 DUPLX 127UM

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1063821300

1063821300

Woodhead - Molex

CONN FIBER LC2 SEALED SM 125.5UM

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1060630670

1060630670

Woodhead - Molex

CONN FIBER SC PLUG SMPLX

0

1063872191

1063872191

Woodhead - Molex

CONN FIBER LC2 MM 172UM

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1060327080

1060327080

Woodhead - Molex

CONN FIBER SC PLUG SMPLX 127UM

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1060243400

1060243400

Woodhead - Molex

CONN FIBER LC PLUG SMPLX 127UM

0

1060633400

1060633400

Woodhead - Molex

CONN FIBER SC PLUG SMPLX 128UM

0

1060105200

1060105200

Woodhead - Molex

CONN FIBER ST PLUG SMPLX 126UM

0

1063871504

1063871504

Woodhead - Molex

CONN FIBER LC2 MM 142UM

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1060325270

1060325270

Woodhead - Molex

CONN FIBER SC TUNABLE

0

1060103100

1060103100

Woodhead - Molex

CONN FIBER ST PLUG SMPLX 128UM

0

1060565400

1060565400

Woodhead - Molex

CONN FIBER FC PLUG SMPLX 126UM

0

1060630560

1060630560

Woodhead - Molex

CONN FIBER SC PLUG SMPLX 127UM

0

1063871354

1063871354

Woodhead - Molex

CONN FIBER LC2 SM 126UM

0

1060127200

1060127200

Woodhead - Molex

CONN FIBER ST PLUG SMPLX 127UM

0

1060253400

1060253400

Woodhead - Molex

CONN FIBER LC PLUG DUPLX 127UM

0

1060125400

1060125400

Woodhead - Molex

CONN FIBER ST PLUG SMPLX 126UM

0

1060135100

1060135100

Woodhead - Molex

CONN FIBER ST PLUG DMPLX 126UM

0

1060100400

1060100400

Woodhead - Molex

CONN FIBER ST PLUG SMPLX 127UM

0

1063870142

1063870142

Woodhead - Molex

CONN FIBER LUMACORE TERMINUS

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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