Fiber Optic Connectors

Image Part Number Description / PDF Quantity Rfq
1060635000

1060635000

Woodhead - Molex

CONN FIBER SC PLUG SMPLX 126UM

0

1968150000

1968150000

Weidmuller

CONN FIBER ST PLUG SMPLX

0

1408049

1408049

Phoenix Contact

CONN FIBER SCRJ PLUG DUPLEX

0

FLCDMCXSPE

FLCDMCXSPE

Panduit Corporation

PRE-POLISHED KEYED LC DUPLEX OPT

0

FLCDMC6SPE

FLCDMC6SPE

Panduit Corporation

PRE-POLISHED KEYED LC DUPLEX OPT

0

AX102207

AX102207

Belden

OPTIMAX LC KEYED MM 62.5

0

09575680510010

09575680510010

HARTING

CONN FIBER RECEPTACLE

0

1060535100

1060535100

Woodhead - Molex

CONN FIBER FC PLUG SMPLX 126UM

0

AX105202-B25

AX105202-B25

Belden

FX BR UNIVERSAL LC OM3-4 25/PK

0

AX105203-B25

AX105203-B25

Belden

FX BR UNIVERSAL LC SM 25/PK

0

AX103036

AX103036

Belden

FXM MOD 12F MM LC KEY AQ

0

1060765000

1060765000

Woodhead - Molex

CONN FIBER SC PLUG SMPLX 126UM

0

AX105232-B25

AX105232-B25

Belden

FX BR U LC KEYED OR OM4 25/PK

0

FLCSMCXDYL

FLCSMCXDYL

Panduit Corporation

PRE-POLISHED KEYED LC SIMPLEX OP

0

1060635500

1060635500

Woodhead - Molex

CONN FIBER SC PLUG SMPLX 126UM

0

FLCDMC5LLB

FLCDMC5LLB

Panduit Corporation

PRE-POLISHED KEYED LC DUPLEX OPT

0

FLCDMC6RLV

FLCDMC6RLV

Panduit Corporation

PRE-POLISHED KEYED LC DUPLEX OPT

0

AFBR-452BZ

AFBR-452BZ

Broadcom

CONN FIBER PLUG DUPLEX

0

AX103179

AX103179

Belden

OPTIMAX LC KEYED MM 50

0

1060475000

1060475000

Woodhead - Molex

CONN FIBER LC PLUG DUPLEX 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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