Pluggable Connectors

Part Number	Description / PDF	Quantity
2149448-1 TE Connectivity AMP Connectors	CONN CXP RCPT W/CAGE 84POS R/A	211
2007637-5 TE Connectivity AMP Connectors	CONN SFP+ RCPT W/CAGE 2X2 80P RA	254
U90-G451-101A Storage & Server IO (Amphenol ICC)	CONN QSFP CAGE 1X4 W/HSINK R/A	0
0747230004 Woodhead - Molex	CONN SFP CAGE 1X5 PRESS-FIT R/A	0
SFPK-SL Samtec, Inc.	CONN SFP RCPT W/CAGE 10P SLD RA	600
1761987-7 TE Connectivity AMP Connectors	CONN MINI SAS RCP 26P SLD RA SMD	0
2227249-3 TE Connectivity AMP Connectors	CONN ZQSFP+ CAGE 1X4 W/HSINK R/A	54
2033691347 Woodhead - Molex	QSFP-DD CAGE ASSEMBLY, 1X3, SAN	1199
1888972-3 TE Connectivity AMP Connectors	CONN QSFP+ CAGE W/HSINK PRESS RA	0
FX16M2-41S-0.5SH Hirose	CONN MULTI-PURP RCPT 41P R/A SMD	0
0747230001 Woodhead - Molex	CONN SFP CAGE 1X5 PRESS-FIT R/A	0
0760905003 Woodhead - Molex	CONN SFP+ RCPT W/CAGE 2X1 40P RA	0
0678008305 Woodhead - Molex	CONN SATA HEADER 7POS SLD PCB	0
DD1P030MA1 JAE Electronics	CONN MULTI-PURP PLUG 30P SLD STR	2343
FX16M2-41S-0.5SH(30) Hirose	CONN MULTI-PURP RCPT 41P R/A SMD	0
3540-16P-CV(57) Hirose	CONN MULTI-PURP PLUG 16P SLD STR	0
3560-16P-PG(57) Hirose	CONN MULTI-PURP PLUG 16P R/A SMD	0
GT17-8DP-DS(70) Hirose	CONN AUTO LAN PLUG 8POS SLD R/A	0
0678005015 Woodhead - Molex	CONN SATA HEADER 7POS SLD SMD	0
1703820001 Woodhead - Molex	CONN ZSFP+ RCPT 20POS SLD RA SMD	7180

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)