Pluggable Connectors

Image	Part Number	Description / PDF	Quantity	Rfq
	0483254001 Woodhead - Molex	CONN SATA RCPT 13POS SLD R/A	0
	0483300003 Woodhead - Molex	CONN SATA RCPT 13POS SLD R/A SMD	0
	1717221001 Woodhead - Molex	CONN ZQSFP+ RCPT CAGE 2X1 76P RA	0
	0674921921 Woodhead - Molex	CONN SATA RCPT 22POS SLD R/A SMD	0
	0755810005 Woodhead - Molex	CONN PCI 16X RCPT CAGE 136P RA	0
	0483300002 Woodhead - Molex	CONN SATA RCPT 13POS SLD R/A SMD	0
	0784480011 Woodhead - Molex	CONN SATA PLUG 22POS SLD SMD	0
	0678008041 Woodhead - Molex	CONN SATA HEADER 7POS SLD PCB	0
	0739270060 Woodhead - Molex	CONN SFP LOWER CAGE PRESSFIT R/A	0
	0473920104 Woodhead - Molex	CONN SATA PLUG 7POS SLD R/A	0
	0674921220 Woodhead - Molex	CONN SATA RCPT 22POS SLD R/A SMD	0
	0674921325 Woodhead - Molex	CONN SATA RCPT 22POS SLD R/A SMD	0
	0744418029 Woodhead - Molex	CONN SFP+ 20 POS	0
	5010142071 Woodhead - Molex	CONN PLUG 20POS SLD R/A SMD	0
	0483362001 Woodhead - Molex	CONN SATA RCPT 13POS SLD R/A SMD	0
	0678008245 Woodhead - Molex	CONN SATA HEADER 7POS SLD PCB	0
	0781091001 Woodhead - Molex	CONN MICRO SATA RCPT 14P R/A SMD	0
	0470182010 Woodhead - Molex	CONN SATA RCPT 22POS SLD R/A SMD	0
	0674903231 Woodhead - Molex	CONN SATA HEADER 7POS SLD RA SMD	0
	0473001000 Woodhead - Molex	CONN SATA PLUG 13POS SLD R/A SMD	0

Pluggable Connectors

1. Overview

Pluggable connectors are modular electronic interfaces enabling rapid connection/disconnection of circuits in high-speed data transmission systems. As critical components in modern communication infrastructure, they support hot-swapping capabilities while maintaining signal integrity. These connectors serve as standardized interfaces between devices, cables, and PCBs, playing essential roles in telecommunications, data centers, and industrial automation.

2. Major Types and Functional Classification

Type	Functional Characteristics	Application Examples
Fiber Optic Connectors	Supports 10Gbps-400Gbps transmission, LC/MPO interfaces, low insertion loss	Data center backbone networks
Copper Cage Connectors	Shielded modular design, supports 1Gbps-100Gbps, thermal management features	Switch/router panel interfaces
High-Speed Backplane	Differential pair architecture, impedance-controlled, multi-gigabit per lane	Telecom equipment chassis
M12/X-coded Connectors	Industrial Ethernet, IP67 rated, vibration-resistant	Factory automation systems

3. Structure and Components

Typical pluggable connectors consist of: - Housing: Latch-equipped polymer casing (UL94 V-0 rated) - Contacts: Gold-plated phosphor bronze with 0.1-0.2N contact force - Insulation: High-temperature resistant PBT/GF materials - Termination: Solder tails or press-fit pins (10-40 positions) - Shielding: 360 EMI protection with drain wire connection - Keying: Mechanical polarization to prevent mismatch insertion

4. Key Technical Specifications

Parameter	Typical Value	Importance
Contact Resistance	5-20 m	Directly affects power loss
Insulation Resistance	>10^9	Safety and signal isolation
VSWR	<1.5:1 @50GHz	Microwave signal integrity
Operating Temp	-55 C to +125 C	Environmental reliability
Mating Cycles	500-1000 cycles	Lifetime durability

5. Application Fields

Telecommunications: 5G base stations (eCPRI interfaces), DWDM systems
Data Centers: Top-of-Rack switches using QSFP28/OSFP modules
Industrial: PROFINET-enabled machinery with M12 connectors
Transportation: Automotive Ethernet in autonomous vehicles (100BASE-T1)
Medical: MRI machines requiring sterile electrical interfaces

6. Leading Manufacturers and Products

Manufacturer	Key Products	Specialization
Amphenol ICC	OptiMux fiber arrays	High-density optical
TE Connectivity	MATRIXall backplane	Harsh environment
Molex	OSFP800 Series	800Gbps solutions
Samtec	FireFly optical engines	Mid-board optical

7. Selection Guidelines

Key considerations: - Signal bandwidth requirements (Nyquist frequency calculation) - Environmental factors (temperature/humidity/chemical exposure) - Compliance with industry standards (IEEE 802.3bs, IEC 61076) - Termination method compatibility (SMT vs through-hole) - Cost vs performance trade-off (e.g., gold vs silver contacts) - Future-proofing (support for next-gen protocols)

8. Industry Trends

Current development directions include: - 1.6Tbps+ optical interfaces using 100G per lane electrical design - EMI reduction through nano-coating and 3D shielding structures - Miniaturization driven by 5G small cells and IoT devices - Integrated magnetics in RJ45 connectors for PoE++ applications - Sustainable materials meeting REACH/RoHS regulations - Smart connectors with embedded diagnostics (IEEE 802.3ap)