Fiber Optic Connectors

Image Part Number Description / PDF Quantity Rfq
1060634300

1060634300

Woodhead - Molex

CONN FIBER SC PLUG SMPLX

0

1060665000

1060665000

Woodhead - Molex

CONN FIBER SC PLUG DUPLX 126UM

0

1060245500

1060245500

Woodhead - Molex

CONN FIBER LC PLUG SMPLX 126UM

0

1060253600

1060253600

Woodhead - Molex

CONN FIBER LC PLUG DUPLX 127UM

0

1060597900

1060597900

Woodhead - Molex

CONN FIBER LC PLUG DUPLX 125.5UM

0

1060255300

1060255300

Woodhead - Molex

CONN FIBER LC PLUG DUPLX 126UM

0

1060242300

1060242300

Woodhead - Molex

CONN FIBER LC PLUG SMPLX 125.5UM

0

1060665300

1060665300

Woodhead - Molex

CONN FIBER SC PLUG DUPLX 126UM

0

1060255600

1060255600

Woodhead - Molex

CONN FIBER LC PLUG DUPLX 126UM

0

1060324150

1060324150

Woodhead - Molex

CONN FIBER SC PLUG SMPLX 125UM

0

1060633460

1060633460

Woodhead - Molex

CONN FIBER SC PLUG SMPLX 128UM

0

1060332900

1060332900

Woodhead - Molex

CONN FIBER SC PLUG SMPLX 125.5UM

0

1060212200

1060212200

Woodhead - Molex

CONN FIBER LC PLUG DUPLEX 126UM

0

1060103500

1060103500

Woodhead - Molex

CONN FIBER ST PLUG SMPLX 128UM

0

1060754000

1060754000

Woodhead - Molex

CONN FIBER SC PLUG SMPLX 125UM

0

1060533500

1060533500

Woodhead - Molex

CONN FIBER FC PLUG SMPLX 128UM

0

1060300000

1060300000

Woodhead - Molex

CONN FIBER FDDI PLUG DUPLX 127UM

0

1060120200

1060120200

Woodhead - Molex

CONN FIBER ST PLUG SMPLX 127UM

0

1060325150

1060325150

Woodhead - Molex

CONN FIBER SC PLUG SMPLX 126UM

0

1060325100

1060325100

Woodhead - Molex

CONN FIBER SC PLUG SMPLX 126UM

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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