Pluggable Connectors - Accessories

Part Number	Description / PDF	Quantity
0745480111 Woodhead - Molex	CONN EMI HSG FOR IPASS SERIES	0
0675820000 Woodhead - Molex	CONN HSG FOR SATA CONTACTS	2179
0747280002 Woodhead - Molex	CONN LIGHT PIPE FOR SFP CAGE	500
0679260041 Woodhead - Molex	CONN CAP FOR SATA CONN	9696
5006540609 Woodhead - Molex	CONN HSG FOR SERIAL I/O CONN	213
0745480208 Woodhead - Molex	CONN EMI HSG FOR IPASS SERIES	123
0747630025 Woodhead - Molex	CONN ADPT LOOPBACK FOR QSFP CONN	326
0745400201 Woodhead - Molex	CONN EMI HSG FOR IPASS SERIES	870
0759510999 Woodhead - Molex	CONN DUST CAP FOR SFP CAGE	18
0747650904 Woodhead - Molex	CONN ADPT LOOPBACK FOR SFP+ CONN	95
0747630030 Woodhead - Molex	CONN ADP LOOPBACK FOR QSFP+ CONN	0
1726040002 Woodhead - Molex	IFT CONNECTOR W/ONE-PIECE SHELL	0
0747360230 Woodhead - Molex	CONN CLIPS FOR XFP HEAT SINKS	64
0675810010 Woodhead - Molex	CONN CONTACT FOR SATA HSG	10268
0745480108 Woodhead - Molex	CONN EMI HSG FOR IPASS SERIES	380
0747540011 Woodhead - Molex	CONN LIGHT PIPE FOR SFP+ CAGE	6603
0747200502 Woodhead - Molex	CONN ADPT LOOPBACK FOR SFP CONN	0
0745400501 Woodhead - Molex	CONN EMI HSG FOR IPASS SERIES	393
0747200503 Woodhead - Molex	CONN ADPT LOOPBACK FOR SFP CONN	5
0745400101 Woodhead - Molex	CONN EMI HSG FOR IPASS SERIES	1983

Pluggable Connectors - Accessories

1. Overview

Pluggable connectors and their accessories are modular electronic components designed to enable rapid, tool-free connection and disconnection of electrical circuits. They serve as critical interfaces in systems requiring maintenance flexibility, scalability, and high reliability. These components are essential in telecommunications, data centers, industrial automation, and consumer electronics, where they ensure seamless signal and power transmission while minimizing downtime during upgrades or repairs.

2. Major Types & Functional Classification

Type	Functional Features	Application Examples
Fiber Optic Connectors (LC, SC, MPO)	High-speed optical signal transmission, low insertion loss	Data center backbone networks, 5G infrastructure
Copper Cable Connectors (RJ45, USB-C)	Power and data transmission over twisted pair or coaxial cables	Ethernet switches, IoT devices
High-Speed Backplane Connectors	Differential signaling with impedance control for >25 Gbps rates	Telecom routers, military radar systems
Modular Adapter Panels	Interface conversion (e.g., SC to LC), density optimization	Hybrid network cabinets, test equipment

3. Structure & Composition

Typical pluggable connectors consist of:

Contact Elements: Phosphor bronze or beryllium copper with gold/silver plating for conductivity
Insulation Housing: High-temperature resistant LCP or nylon for dimensional stability
Shielding Shell: Metal (aluminum, steel) or conductive polymer for EMI protection
Latching Mechanism: Push-pull, bayonet, or threaded coupling for secure mating

4. Key Technical Specifications

Parameter	Importance
Insertion Loss ( 0.5 dB)	Determines signal integrity in high-frequency applications
Voltage Standing Wave Ratio (VSWR 1.5:1)	Indicates impedance matching quality
Operating Temperature (-55 C to +125 C)	Defines environmental durability limits
Mating Cycles ( 500 cycles)	Directly impacts maintenance lifecycle costs
Current Carrying Capacity (1-10A per contact)	Dictates power delivery capabilities

5. Application Fields

Primary industries include:

Telecommunications: 5G base stations, optical line terminals
Data Centers: 400Gbps QSFP-DD interconnects, storage area networks
Industrial Automation: Programmable logic controllers (PLCs), sensor hubs
Medical Equipment: MRI machine data links, patient monitoring systems

Case Study: Google's AI server clusters utilize 800Gbps OSFP connectors for GPU interlinks, achieving 40% lower latency compared to traditional QSFP designs.

6. Leading Manufacturers & Products

Manufacturer	Representative Product
TE Connectivity	MULTI-BEAM X High-Speed I/O Connector
Amphenol	Opti-Speed Active Optical Cable Assembly
Molex	Peregrine 112Gbps Backplane System
3M	Fiber Optic LX.5 Connector for 400G Ethernet

7. Selection Recommendations

Key considerations:

Application Requirements: Signal type (analog/digital), frequency range, power needs
Environmental Factors: Vibration resistance, corrosion protection (IP67-rated for outdoor use)
Standards Compliance: IEEE 802.3bs (400G Ethernet), RoHS, REACH
Total Cost of Ownership: Evaluate connector durability against replacement frequency

8. Industry Trends

Emerging developments include:

Transition to 1.6Tbps+ optical engines with silicon photonics integration
Adoption of liquid cooling compatible connectors for high-density server racks
AI-driven predictive maintenance systems using embedded connector sensors
Miniaturization (e.g., SFP-DD to OSFP-XD size reduction) for 800G+ modules
Increased use of composite materials to reduce weight in aerospace applications