Pluggable Connectors

Image Part Number Description / PDF Quantity Rfq
0757840345

0757840345

Woodhead - Molex

CONN MINI SAS RCPT 68POS SLD SMD

0

0760675001

0760675001

Woodhead - Molex

CONN SFP+ RCP W/CAGE 2X5 200P RA

0

0757840249

0757840249

Woodhead - Molex

CONN MINI SAS RCPT 50POS SLD SMD

0

0747370012

0747370012

Woodhead - Molex

CONN SFP CAGE PRESS-FIT R/A

0

0757830237

0757830237

Woodhead - Molex

CONN MINI SAS RCP 50P SLD RA SMD

0

0534620001

0534620001

Woodhead - Molex

2.00MM PITCH IEEE 1394-1995 SHIE

1050

0757840127

0757840127

Woodhead - Molex

CONN MINI SAS RCPT 36POS SLD SMD

0

0674921731

0674921731

Woodhead - Molex

CONN SATA RCPT 22POS SLD R/A SMD

0

0755810009

0755810009

Woodhead - Molex

CONN PCI 16X RCPT CAGE 136P RA

0

0674903230

0674903230

Woodhead - Molex

CONN SATA HEADER 7POS SLD RA SMD

0

0768670011

0768670011

Woodhead - Molex

CONN MINI 2.0 SAS RCPT 36POS R/A

0

0747030407

0747030407

Woodhead - Molex

CONN HSSDC2 RCPT 7POS SLD R/A

0

0473790000

0473790000

Woodhead - Molex

CONN SATA PLUG 7POS SLD R/A SMD

0

0448281162

0448281162

Woodhead - Molex

CONN RCPT 16POS SLD R/A SMD

0

0877030068

0877030068

Woodhead - Molex

CONN SATA PLUG 22POS SLD R/A SMD

0

0470801005

0470801005

Woodhead - Molex

CONN SATA PLUG 7POS SLD R/A SMD

0

0739270008

0739270008

Woodhead - Molex

CONN SFP CAGE PRESS-FIT R/A

0

0760910001

0760910001

Woodhead - Molex

CONN SFP+ RCPT W/CAGE 2X2 80P RA

0

0760920001

0760920001

Woodhead - Molex

CONN SFP+ RCP W/CAGE 2X4 160P RA

0

0918040411

0918040411

Woodhead - Molex

CONN INFINIBAND RCPT 8P SLD RA

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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