Fiber Optic Connectors

Part Number	Description / PDF	Quantity
FLCSMC5VMA Panduit Corporation	PRE-POLISHED KEYED LC SIMPLEX OP	0
FJJGM5CBL Panduit Corporation	FJ JACK MODULE MULTIMODE FOR 3MM	0
FLCSMC6LLB Panduit Corporation	PRE-POLISHED KEYED LC SIMPLEX OP	0
FSCMC5BL-C Panduit Corporation	SC 50/125M MULTIMODE SIMPLEX CON	0
FSCSCBU-C Panduit Corporation	SC 9/125M SINGLEMODE SIMPLEX CON	0
FJJGM5COR Panduit Corporation	FJ JACK MODULE MULTIMODE FOR 3MM	0
FSCMM502.0RD Panduit Corporation	SC MECHANICAL CRIMP MULTIMODE SI	0
FJEPGS9CBUY Panduit Corporation	ENHANCED FJ PLUG SINGLEMODE FOR	0
FLCSSCQCG Panduit Corporation	PRE-POLISHED KEYED LC SIMPLEX OP	0
FMD48FJMPY Panduit Corporation	FMD48 ASSEMBLED W/24 TERMINATED	0
FLCSMC5ABL Panduit Corporation	PRE-POLISHED KEYED LC SIMPLEX OP	0
FLCSMC5GVL Panduit Corporation	PRE-POLISHED KEYED LC SIMPLEX OP	0
FSCSBT2.0BU-C Panduit Corporation	SC 1.6-2.0MM BOOT (BU) & CRIMP S	0
FSCMBT3.0BL-C Panduit Corporation	SC 3.0MM BOOT (BL) & CRIMP SLEEV	0
FSCMM50BL Panduit Corporation	PRE-POLISHED SC SIMPLEX CRIMP ST	219
FSCMC5BLG Panduit Corporation	FIBER OPTIC CONNECTOR OPTICAM	0
FSCMBT3.0RD-C Panduit Corporation	SC 3.0MM BOOT (RD) & CRIMP SLEEV	0
FLCSMCXJRO Panduit Corporation	PRE-POLISHED KEYED LC SIMPLEX OP	0
FSCMCXAQ-C Panduit Corporation	SC 50/125M OM3/OM4 MULTIMODE SIM	0
NKFSCMWH Panduit Corporation	CONN FIBER SC PLUG SIMPLEX 125UM	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

Type	Functional Features	Application Examples
LC (Lucent Connector)	Push-pull latch mechanism, compact size	Datacom transceivers, SFP modules
SC (Subscriber Connector)	Double-click latch, high durability	Telecom networks, PON systems
ST (Straight Tip)	Bayonet mount, quick connect/disconnect	Enterprise networks, legacy systems
FC (Ferrule Connector)	Screw-on design, vibration resistance	Test 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

Parameter	Typical Range	Significance
Insertion Loss (dB)	0.1-0.5 dB	Measures signal attenuation at connection point
Return Loss (dB)	20-60 dB	Reflectance performance affecting system stability
Endface Geometry ( m)	Radius: 10-25mm	Apex offset & fiber height impact optical contact
Durability (Mating Cycles)	500-2000 cycles	Longevity under repeated use
Operating Temperature	-40 C to +85 C	Environmental 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

Manufacturer	Representative Products
Amphenol Fiber Solutions	CS Series connectors, OptiMPO
TE Connectivity	CONEC LX-5, MULTILANE MPO
3M	Volition Field Installable Connectors
Senko Advanced Components	SN 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.