Fiber Optic Connectors

Image Part Number Description / PDF Quantity Rfq
HE-PA-JJ(40)

HE-PA-JJ(40)

Hirose

CONNE FIBER OPTIC

0

1060255000

1060255000

Woodhead - Molex

CONN FIBER LC PLUG DUPLX 126UM

0

FMPOM3SSSGR

FMPOM3SSSGR

Panduit Corporation

MPO SPLICE-ON CONNECTOR, MALE, F

20

FSCMPC6EI-C

FSCMPC6EI-C

Panduit Corporation

CONN FIBER SC PLUG SIMPLEX 125UM

0

FLCDMC6HAQ

FLCDMC6HAQ

Panduit Corporation

PRE-POLISHED KEYED LC DUPLEX OPT

0

AX105209-S1

AX105209-S1

Belden

FX BR UNIVERSAL SC APC 1/PK

77

1060762300

1060762300

Woodhead - Molex

CONN FIBER SC PLUG SMPLX 125.5UM

0

AX105203-S1

AX105203-S1

Belden

FX BR UNIVERSAL LC SM 1/PK

3

MF10B-WRFCH01-0200(31)

MF10B-WRFCH01-0200(31)

Hirose

CONNECTOR

0

FLCSMCXABL

FLCSMCXABL

Panduit Corporation

PRE-POLISHED KEYED LC SIMPLEX OP

0

FLCDMC5TSB

FLCDMC5TSB

Panduit Corporation

PRE-POLISHED KEYED LC DUPLEX OPT

0

1060533170

1060533170

Woodhead - Molex

CONN FIBER FC PLUG SMPLX 128UM

0

AX103035

AX103035

Belden

FXM MOD 12F MM LC KEY RO

0

FLCSMC6EIY-C

FLCSMC6EIY-C

Panduit Corporation

LC 62.5/125M MULTIMODE SIMPLEX F

0

AX104508-B25

AX104508-B25

Belden

LC DUPLEX ICON, BLUE, PK25

0

1060325000

1060325000

Woodhead - Molex

CONN FIBER SC PLUG SMPLX 126UM

0

1060300100

1060300100

Woodhead - Molex

CONN FIBER FDDI PLUG DUPLX 127UM

0

AX103038

AX103038

Belden

FXM MOD 12F MM LC KEY SL

0

1657850

1657850

Phoenix Contact

CONN FIBER OPTIC

0

1060123200

1060123200

Woodhead - Molex

CONN FIBER ST PLUG SMPLX 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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