Fiber Optic Connectors

Image Part Number Description / PDF Quantity Rfq
20101258211

20101258211

HARTING

LC FIBER OPTIC CONTACT FOR MULTI

0

1060534500

1060534500

Woodhead - Molex

CONN FIBER FC PLUG SMPLX 125UM

0

AX105235-B25

AX105235-B25

Belden

FX BR U LC KEYED RO OM4 25/PK

0

1060324100

1060324100

Woodhead - Molex

CONN FIBER SC PLUG SMPLX 125UM

0

AX102197

AX102197

Belden

OPTIMAX LC KEYED MM 50

0

1060555000

1060555000

Woodhead - Molex

CONN FIBER FC PLUG SMPLX 126UM

0

FLCDMC6LLB

FLCDMC6LLB

Panduit Corporation

PRE-POLISHED KEYED LC DUPLEX OPT

0

1060320970

1060320970

Woodhead - Molex

CONN FIBER SC PLUG SMPLX 127UM

0

911-151-161-N

911-151-161-N

Belden

LC 3MM FIBER OPTIC CONNECTOR

0

1060243600

1060243600

Woodhead - Molex

CONN FIBER LC PLUG SMPLX 127UM

0

1963260000

1963260000

Weidmuller

CONN FIBER SC PLUG DUPLX

0

1060565500

1060565500

Woodhead - Molex

CONN FIBER FC PLUG SMPLX 126UM

0

AX102208

AX102208

Belden

OPTIMAX LC KEYED MM 62.5

0

AX102187

AX102187

Belden

FXM MOD CLEAR 12-FIB

0

FLCDMCXFDB

FLCDMCXFDB

Panduit Corporation

PRE-POLISHED KEYED LC DUPLEX OPT

0

FLCSSCBRD

FLCSSCBRD

Panduit Corporation

PRE-POLISHED KEYED LC SIMPLEX OP

0

1608045

1608045

Phoenix Contact

CONN FIBER OPTIC

0

2313070

2313070

Phoenix Contact

CONN FIBER OPTIC

0

1060340900

1060340900

Woodhead - Molex

CONN FIBER SC PLUG DUPLX 127UM

0

AX105238-B25

AX105238-B25

Belden

FX BR U LC KEYED SL OM4 25/PK

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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