Fiber Optic Connectors

Image Part Number Description / PDF Quantity Rfq
FLCDMC6ABL

FLCDMC6ABL

Panduit Corporation

PRE-POLISHED KEYED LC DUPLEX OPT

0

AX102198

AX102198

Belden

OPTIMAX LC KEYED MM 50

0

AX105007-B25

AX105007-B25

Belden

MPO KEY-UP KEY-DOWN, SX, 25/PK

0

20101252212

20101252212

HARTING

CONN FIBER ST RECEPT SMPLX

0

FLCDMCXBRD

FLCDMCXBRD

Panduit Corporation

PRE-POLISHED KEYED LC DUPLEX OPT

0

FLCDMC5CGR

FLCDMC5CGR

Panduit Corporation

PRE-POLISHED KEYED LC DUPLEX OPT

0

1828574-2

1828574-2

TE Connectivity AMP Connectors

CONN FIBER SC PLUG DUPLX

0

AX105210-B25

AX105210-B25

Belden

FX BR UNIVERSAL ST OM1 25/PK

0

0853350031

0853350031

Woodhead - Molex

CONN FIBER SCSC DX MET ZRSLV

0

1060242500

1060242500

Woodhead - Molex

CONN FIBER LC PLUG SMPLX 125.5UM

0

ALWL-SC

ALWL-SC

ASSMANN WSW Components

CONN FIBER SC SIMPLEX

0

AX102200

AX102200

Belden

OPTIMAX LC KEYED MM 50

0

AX101792

AX101792

Belden

OPTIMAX SC SINGLEMODE

0

1608032

1608032

Phoenix Contact

CONN FIBER OPTIC

0

1963390000

1963390000

Weidmuller

CONN FIBER SC PLUG DUPLX

0

ZDFFK-MC12

ZDFFK-MC12

Panduit Corporation

SINGLEMODE FIBER TERMINATIONS VI

0

HE-PR-1(41)

HE-PR-1(41)

Hirose

CONNE FIBER OPTIC

0

FLCSSCDYL

FLCSSCDYL

Panduit Corporation

PRE-POLISHED KEYED LC SIMPLEX OP

0

1962910000

1962910000

Weidmuller

CONN FIBER SC PLUG SMPLX

0

FLCDMC6DYL

FLCDMC6DYL

Panduit Corporation

PRE-POLISHED KEYED LC DUPLEX OPT

20

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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