Fiber Optic Connectors

Image Part Number Description / PDF Quantity Rfq
FJJGS9CBU9-C

FJJGS9CBU9-C

Panduit Corporation

FJ JACK MODULE SINGLEMODE FOR 90

0

AX104513-B25

AX104513-B25

Belden

LC DUPLEX ICON, RED, PK25

0

FLCDMCXJRO

FLCDMCXJRO

Panduit Corporation

PRE-POLISHED KEYED LC DUPLEX OPT

0

AX102204

AX102204

Belden

OPTIMAX LC KEYED MM 62.5

0

1963270000

1963270000

Weidmuller

CONN FIBER SC PLUG DUPLX

0

AX105242-B25

AX105242-B25

Belden

FX BR U LC KEYED YL OS2 25/PK

0

AX101074

AX101074

Belden

OPTIMAX 50 UM ST TYPE CONN

0

09575080600001

09575080600001

HARTING

CONN FIBER LC PLUG DUPLEX

0

2313779

2313779

Phoenix Contact

CONN FIBER SC PLUG DUPLEX

5

AX103178

AX103178

Belden

OPTIMAX LC KEYED MM 50

0

1060632200

1060632200

Woodhead - Molex

CONN FIBER SC PLUG SMPLX 126UM

0

FLCDMC5RLV

FLCDMC5RLV

Panduit Corporation

PRE-POLISHED KEYED LC DUPLEX OPT

0

5503948-9

5503948-9

TE Connectivity AMP Connectors

CONN FIBER SC PLUG SMPLX 125UM

0

20100011241

20100011241

HARTING

CONN FIBER SMA PLUG SMPLX 1000UM

0

AX104510-B25

AX104510-B25

Belden

LC DUPLEX ICON, BLACK, PK25

0

1060245600

1060245600

Woodhead - Molex

CONN FIBER LC PLUG SMPLX 126UM

0

FLCDS3.0BU

FLCDS3.0BU

Panduit Corporation

FIELD POLISH LC DUPLEX POT & POL

0

1963380000

1963380000

Weidmuller

CONN FIBER SC PLUG DUPLX

0

1060100500

1060100500

Woodhead - Molex

CONN FIBER ST PLUG SMPLX 127UM

0

1060325250

1060325250

Woodhead - Molex

CONN FIBER SC TUNABLE

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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