Fiber Optic Connectors

Image Part Number Description / PDF Quantity Rfq
MF10B-WRB01-0200(31)

MF10B-WRB01-0200(31)

Hirose

CONNECTOR

0

1060325510

1060325510

Woodhead - Molex

CONN FIBER SC PLUG SMPLX 126UM

0

09352410421

09352410421

HARTING

HAN PUSHPULL SCRJ POF PLASTIC

0

FLCDMCXGVL

FLCDMCXGVL

Panduit Corporation

PRE-POLISHED KEYED LC DUPLEX OPT

0

1060252300

1060252300

Woodhead - Molex

CONN FIBER LC PLUG DUPLX 125.5UM

0

AX105009-B25

AX105009-B25

Belden

HYB LC TO LC UNIV. KEYED 25/PK

0

NKMOPEI

NKMOPEI

Panduit Corporation

CONN FIBER PLUG DUPLEX 125UM

0

AX105246-B25

AX105246-B25

Belden

FX BR U LC KEYED VI OS2 25/PK

0

1060597500

1060597500

Woodhead - Molex

CONN FIBER LC PLUG DUPLX 125.5UM

84

AX103039

AX103039

Belden

FXM MOD 12F MM LC KEY WH

0

MF11BMT-WRBHB02

MF11BMT-WRBHB02

Hirose

CONN FBR OPTIC

0

20101255211XL

20101255211XL

HARTING

FOC 125GI SC CONTACT DIAM2,8 UNI

0

1060598020

1060598020

Woodhead - Molex

INDUSTRIAL LC CONNECTOR MM W/L

0

AX105218-B25

AX105218-B25

Belden

FX BR U LC KEYED YL OM1 25/PK

0

FLCDM900EI

FLCDM900EI

Panduit Corporation

LC 62.5/125M MULTIMODE DUPLEX CO

0

FLCDMC5VMA

FLCDMC5VMA

Panduit Corporation

PRE-POLISHED KEYED LC DUPLEX OPT

0

1060254600

1060254600

Woodhead - Molex

CONN FIBER LC PLUG DUPLEX 125UM

0

AX105010-S1

AX105010-S1

Belden

MPO KEY-UP KEY-UP, SX, FLANGED

0

1060327170

1060327170

Woodhead - Molex

CONN FIBER SC PLUG SMPLX 127UM

0

1060343900

1060343900

Woodhead - Molex

CONN FIBER SC PLUG DUPLX 128UM

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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