Fiber Optic Connectors

Image Part Number Description / PDF Quantity Rfq
1063971604

1063971604

Woodhead - Molex

CONN FIBER LC PLUG DUPLX 126UM

0

1063972202

1063972202

Woodhead - Molex

CONN FIBER LC PLUG DUPLX 125.5UM

0

1060630000

1060630000

Woodhead - Molex

CONN FIBER SC PLUG SMPLX 127UM

99

1063971664

1063971664

Woodhead - Molex

CONN FIBER LC PLUG DUPLX 126UM

0

1060105000

1060105000

Woodhead - Molex

CONN FIBER ST PLUG SMPLX 126UM

27

1060455000

1060455000

Woodhead - Molex

CONN FIBER LC PLUG DUPLEX 126UM

18

1060630660

1060630660

Woodhead - Molex

CONN FIBER SC PLUG SMPLX

1088

1060597100

1060597100

Woodhead - Molex

CONN FIBER LC PLUG DUPLX 127UM

114

1060597300

1060597300

Woodhead - Molex

CONN FIBER LC PLUG DUPLX 127UM

36

1063975301

1063975301

Woodhead - Molex

LC2+ HGH TEMP CONN 126UM SM BLUE

90

1063973010

1063973010

Woodhead - Molex

CONN FIBER LC PLUG DUPLX 127UM

42

1060243300

1060243300

Woodhead - Molex

CONN FIBER LC PLUG SMPLX 127UM

266

1060530500

1060530500

Woodhead - Molex

CONN FIBER FC PLUG SMPLX 127UM

302

1060443000

1060443000

Woodhead - Molex

CONN FIBER LC PLUG DUPLEX 127UM

19

1060635300

1060635300

Woodhead - Molex

CONN FIBER SC PLUG SMPLX

298

1060243000

1060243000

Woodhead - Molex

CONN FIBER LC PLUG SMPLX 127UM

0

1060453000

1060453000

Woodhead - Molex

CONN FIBER LC PLUG DUPLEX 127UM

1

1063971862

1063971862

Woodhead - Molex

CONN FIBER LC PLUG DUPLX 127UM

0

1060120400

1060120400

Woodhead - Molex

CONN FIBER ST PLUG SMPLX 127UM

604

1060212300

1060212300

Woodhead - Molex

CONN FIBER LC PLUG DUPLEX 127UM

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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