Fiber Optic Connectors

Image Part Number Description / PDF Quantity Rfq
AX102201

AX102201

Belden

OPTIMAX LC KEYED MM 50

0

AX104512-B25

AX104512-B25

Belden

LC DUPLEX ICON, GREEN, PK25

0

AX103175

AX103175

Belden

OPTIMAX LC KEYED MM 50

0

1060465000

1060465000

Woodhead - Molex

CONN FIBER LC PLUG DUPLEX 126UM

0

MF11BMT-WRFB01

MF11BMT-WRFB01

Hirose

CONN RCPT FBR OPTIC 24POS PNL

0

1060340000

1060340000

Woodhead - Molex

CONN FIBER SC PLUG DUPLX 127UM

0

FLCDMCXHAQ

FLCDMCXHAQ

Panduit Corporation

PRE-POLISHED KEYED LC DUPLEX OPT

60

MF10B-WRF01-0200(31)

MF10B-WRF01-0200(31)

Hirose

CONNECTOR

0

10148794-101LF

10148794-101LF

Storage & Server IO (Amphenol ICC)

OCT 2PWR CRIMP18AWG

0

FLCDMC6PWT

FLCDMC6PWT

Panduit Corporation

PRE-POLISHED KEYED LC DUPLEX OPT

0

AX105213-B25

AX105213-B25

Belden

FX BR UNIVERSAL ST SM 25/PK

16

1060324000

1060324000

Woodhead - Molex

CONN FIBER SC PLUG SMPLX 125UM

0

FLCDSBU

FLCDSBU

Panduit Corporation

LC 9/125M SINGLEMODE DUPLEX CONN

0

AX103034

AX103034

Belden

FXM MOD 12F MM LC KEY VL

0

1060327150

1060327150

Woodhead - Molex

CONN FIBER SC PLUG SMPLX 127UM

0

1060323560

1060323560

Woodhead - Molex

CONN FIBER SC PLUG SMPLX 128UM

0

MF11BMT-WP5CHA02

MF11BMT-WP5CHA02

Hirose

CONN FBR OPTIC

0

09352420401

09352420401

HARTING

HAN PUSHPULL SCRJ FIBER OPTIC, M

0

AX105233-B25

AX105233-B25

Belden

FX BR U LC KEYED BL OM4 25/PK

0

AX105248-B25

AX105248-B25

Belden

FX BR U LC KEYED AQ OS2 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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