Pluggable Cables

Image	Part Number	Description / PDF	Quantity	Rfq
	0745470406 Woodhead - Molex	CABLE SATA M-M 6M	0
	0747573301 Woodhead - Molex	CABLE QSFP+ M-M 3M	0
	0745470005 Woodhead - Molex	CABLE SATA M-M 5M	0
	1110251314 Woodhead - Molex	9M CXP 12X ZERO-OHM RESISTORS	0
	0747524301 Woodhead - Molex	CABLE ASSY SFP+ M-M 3M	0
	0745261001 Woodhead - Molex	CABLE INFINIBAND 4X M-M 500MM	0
	0745261004 Woodhead - Molex	CABLE INFINIBAND 4X M-M 3M	0
	0747579001 Woodhead - Molex	CABLE QSFP+ M-M 10M	0
	0747574501 Woodhead - Molex	CABLE QSFP+ M-M 5M	0
	0747521401 Woodhead - Molex	CABLE ASSY SFP+ M-M 4M	0
	0745470210 Woodhead - Molex	CABLE MINISAS 4X M-M 500MM	0
	2021431002 Woodhead - Molex	NPIO 4X 42 CKT N/SB STR TO STR .	0
	0745470124 Woodhead - Molex	CABLE MINISAS 4X M-M 5M	0
	0747521208 Woodhead - Molex	CABLE ASSY SFP+ M-M 2M	0
	0747572101 Woodhead - Molex	CABLE QSFP+ M-M 1M	0
	1110401505 Woodhead - Molex	CABLE QSFP+ M-M 5M	0
	0745261006 Woodhead - Molex	CABLE INFINIBAND 4X M-M 10M	0
	1002971151 Woodhead - Molex	CABLE ASSY ZQSFP+ M-M 1.5M	0
	1110401205 Woodhead - Molex	CABLE QSFP+ M-M 2M	0
	0745470401 Woodhead - Molex	CABLE SATA M-M 1M	0

Pluggable Cables

1. Overview

Pluggable cables are modular cable assemblies designed for rapid deployment and hot-swappable connectivity in high-speed data transmission systems. These cable solutions integrate standardized connectors and interface protocols to enable flexible networking configurations. Key advantages include reduced installation time, scalable infrastructure management, and compatibility with evolving communication standards. They play a critical role in modern data centers, telecommunications networks, and industrial automation systems where reliable high-bandwidth connectivity is essential.

2. Main Types and Functional Classification

Type	Functional Characteristics	Application Examples
QSFP (Quad Small Form-factor Pluggable)	High-density 4-channel architecture, supports 40G-800G data rates	Data center switches, high-performance computing clusters
SFP (Small Form-factor Pluggable)	Compact hot-pluggable interface, supports 1G-25G speeds	Enterprise networking equipment, fiber optic transceivers
DAC (Direct Attach Copper)	Passive copper cables with low latency and power consumption	Short-distance server/storage connections within racks
AOC (Active Optical Cable)	Optical fiber with integrated transceivers, supports long-distance transmission	Inter-rack connections in large-scale data centers
RJ45 Pluggable	Standard Ethernet interface with backward compatibility	Local area networks (LANs), PoE-enabled devices

3. Structure and Components

Typical pluggable cable assemblies consist of:

Conductive Core: Stranded or solid copper conductors (for electrical signals) or optical fibers (for AOC variants)
Insulation Layer: High-density polyethylene or fluorinated ethylene propylene (FEP) for signal integrity
Shielding: Braided copper or foil shielding to prevent EMI interference
Connector Housing: Thermoplastic or metal casing with latching mechanisms (e.g., LC, MPO interfaces)
Integrated Circuitry: EEPROM chips for digital diagnostics and identification (SFP-DD, QSFP-DD variants)

4. Key Technical Specifications

Parameter	Significance
Transmission Rate	Determines data throughput capacity (10G-800Gbps)
Insertion Loss	Measures signal attenuation ( 0.5dB for high-speed DACs)
Return Loss	Indicates impedance matching quality ( 20dB)
Operating Temperature	Defines environmental tolerance (-40 C to +85 C)
MTBF (Mean Time Between Failures)	Reliability indicator (>10,000 hours)
Compliance Standards	Specifies adherence to IEEE 802.3, SFF-8431, and RoHS

5. Application Fields

Primary industries utilizing pluggable cables include:

Data Centers: High-density server racks, top-of-rack (ToR) switches
Telecommunications: 5G base stations, optical line terminals (OLTs)
Enterprise Networks: Campus backbone infrastructure, security systems
Industrial Automation: Ethernet-based control systems, IoT gateways
Medical Imaging: High-resolution diagnostic equipment with real-time data transfer

6. Leading Manufacturers and Products

Manufacturer	Representative Product	Key Features
Cisco Systems	SFP-10G-LR	10GBASE-LR with 1310nm wavelength, 2km reach
Finisar	QSFP-40G-SR4	MPO interface, 100m OM4 MMF support
Molex	Active Optical Cable 100G	LC connectors, error correction coding
Amphenol	RJ45-PLUG-CAT6A	Shielded Cat6A, PoE++ compatibility

7. Selection Guidelines

Key considerations for optimal selection:

Bandwidth Requirements: Match cable speed to equipment capabilities (e.g., 400G QSFP-DD for AI servers)
Distance Constraints: DAC for 5m (cost-effective), AOC for >10m (low latency)
Environmental Factors: Choose industrial-grade cables for vibration-prone environments
Backward Compatibility: Verify form factor alignment (SFP+, QSFP28, etc.)
Total Cost of Ownership: Balance initial cost vs. power efficiency and maintenance needs

Case Study: A hyperscale data center upgraded to 400G QSFP-DD DAC cables, achieving 35% lower power consumption compared to previous generation AOC solutions.

8. Industry Trend Analysis

Emerging developments include:

Speed Advancements: Transition to 800Gbps per channel using PAM4 modulation
Optical Integration: Silicon photonics enabling pluggable optical engines
Smart Cabling: Embedded sensors for real-time monitoring of temperature and signal quality
Modular Design: Universal backplane solutions supporting mixed media types
Sustainability: Development of halogen-free materials and recyclable components

Market forecasts predict a 22% CAGR for pluggable cable assemblies through 2028, driven by 5G expansion and AI infrastructure growth.