Fiber Optic Connectors

Image Part Number Description / PDF Quantity Rfq
1963240000

1963240000

Weidmuller

CONN FIBER LC PLUG DUPLX

0

FLCDMCXABL

FLCDMCXABL

Panduit Corporation

PRE-POLISHED KEYED LC DUPLEX OPT

0

1963220000

1963220000

Weidmuller

CONN FIBER LC PLUG DUPLX

0

1404321

1404321

Phoenix Contact

CONN FIBER SCRJ

0

09574110501200

09574110501200

HARTING

PUSHPULL SFP XS RECEPTACLE SHORT

0

AX102114

AX102114

Belden

FXM MOD 12F MM LC KEY GN

0

FLCDMCXRLV

FLCDMCXRLV

Panduit Corporation

PRE-POLISHED KEYED LC DUPLEX OPT

0

FLCDMC5BRD

FLCDMC5BRD

Panduit Corporation

PRE-POLISHED KEYED LC DUPLEX OPT

0

FMPOM3SXMAQ

FMPOM3SXMAQ

Panduit Corporation

MPO SPLICE-ON CONNECTOR, MALE, F

0

09574000001000

09574000001000

HARTING

CONN FIBER LC PLUG DUPLX

0

1060630460

1060630460

Woodhead - Molex

CONN FIBER SC PLUG SMPLX 127UM

0

1060532100

1060532100

Woodhead - Molex

CONN FIBER FC PLUG SMPLX 125.5UM

0

AX105240-B25

AX105240-B25

Belden

FX BR U LC KEYED RD OS2 25/PK

0

5504930-1

5504930-1

TE Connectivity AMP Connectors

CONN FIBER SC PLUG SMPLX 125UM

0

09575080511000

09575080511000

HARTING

CONN FIBER LC PLUG DUPLX HYBRID

2

AX105249-B25

AX105249-B25

Belden

FX BR U LC KEYED BR OS2 25/PK

0

FMPOF3SSSGR

FMPOF3SSSGR

Panduit Corporation

MPO SPLICE-ON CONNECTOR, FEMALE,

620

20100015218

20100015218

HARTING

CONN FIBER SC PLUG SIMPLEX

0

1060323510

1060323510

Woodhead - Molex

CONN FIBER SC PLUG SMPLX 128UM

0

AX105253-B25

AX105253-B25

Belden

FX BR UNIVERSAL SC OM4 EV 25/P

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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