Pluggable Connectors

Image Part Number Description / PDF Quantity Rfq
0756400001

0756400001

Woodhead - Molex

CONN SFP RCPT W/CAGE 2X1 40P R/A

0

0674921121

0674921121

Woodhead - Molex

CONN SATA RCPT 22POS SLD R/A SMD

0

0455931600

0455931600

Woodhead - Molex

CONN PLUG 16POS SLD PCB

0

0757345001

0757345001

Woodhead - Molex

CONN SFP RCPT W/CAGE 2X5 200P RA

0

0739270001

0739270001

Woodhead - Molex

CONN SFP CAGE PRESS-FIT R/A

0

0760940001

0760940001

Woodhead - Molex

CONN SFP+ RCP W/CAGE 2X6 240P RA

0

0542800809

0542800809

Woodhead - Molex

CONN SERIAL I/O RCP 8POS SLD STR

0

0678008085

0678008085

Woodhead - Molex

CONN SATA HEADER 7POS SLD PCB

0

0473790100

0473790100

Woodhead - Molex

CONN SATA PLUG 7POS SLD R/A SMD

0

0754620001

0754620001

Woodhead - Molex

CONN SFP RCPT W/CAGE 2X1 40P R/A

0

0747030307

0747030307

Woodhead - Molex

CONN HSSDC2 RCPT 7POS SLD R/A

0

0747470001

0747470001

Woodhead - Molex

CONN SFP CAGE 1X6 PRESS-FIT R/A

0

0739270016

0739270016

Woodhead - Molex

CONN SFP CAGE PRESS-FIT R/A

0

0768670012

0768670012

Woodhead - Molex

CONN MINI 2.0 SAS RCP 1X2 72P RA

0

0678008125

0678008125

Woodhead - Molex

CONN SATA HEADER 7POS SLD PCB

0

0678001005

0678001005

Woodhead - Molex

CONN SATA HEADER 7POS SLD SMD

0

0755810002

0755810002

Woodhead - Molex

CONN PCI 16X RCPT CAGE 136P RA

0

0761050584

0761050584

Woodhead - Molex

CONN CXP RCPT W/CAGE 84POS R/A

0

0918030415

0918030415

Woodhead - Molex

CONN INFINIBAND RCPT 8P SLD RA

0

0476500001

0476500001

Woodhead - Molex

CONN SATA RCPT 13POS SLD 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

TypeFunctional CharacteristicsApplication Examples
Fiber Optic ConnectorsSupports 10Gbps-400Gbps transmission, LC/MPO interfaces, low insertion lossData center backbone networks
Copper Cage ConnectorsShielded modular design, supports 1Gbps-100Gbps, thermal management featuresSwitch/router panel interfaces
High-Speed BackplaneDifferential pair architecture, impedance-controlled, multi-gigabit per laneTelecom equipment chassis
M12/X-coded ConnectorsIndustrial Ethernet, IP67 rated, vibration-resistantFactory 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

ParameterTypical ValueImportance
Contact Resistance5-20 m Directly affects power loss
Insulation Resistance>10^9 Safety and signal isolation
VSWR<1.5:1 @50GHzMicrowave signal integrity
Operating Temp-55 C to +125 CEnvironmental reliability
Mating Cycles500-1000 cyclesLifetime 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

ManufacturerKey ProductsSpecialization
Amphenol ICCOptiMux fiber arraysHigh-density optical
TE ConnectivityMATRIXall backplaneHarsh environment
MolexOSFP800 Series800Gbps solutions
SamtecFireFly optical enginesMid-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)

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