Pluggable Connectors

Image Part Number Description / PDF Quantity Rfq
0473913001

0473913001

Woodhead - Molex

CONN SATA PLUG 7POS SLD R/A SMD

0

0738470001

0738470001

Woodhead - Molex

CONN GBIC CAGE SLD R/A

0

0768660015

0768660015

Woodhead - Molex

CONN MIN 2.0 SAS RCP 2X1 72P R/A

0

0768660013

0768660013

Woodhead - Molex

CONN MIN 2.0 SAS RCP 4X1 144P RA

0

0674903220

0674903220

Woodhead - Molex

CONN SATA HEADER 7POS SLD RA SMD

0

0760930001

0760930001

Woodhead - Molex

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

0

0784480001

0784480001

Woodhead - Molex

CONN SATA PLUG 22POS SLD SMD

0

0674921421

0674921421

Woodhead - Molex

CONN SATA RCPT 22POS SLD R/A SMD

0

0473632002

0473632002

Woodhead - Molex

CONN SATA RCPT 22POS SLD R/A

0

0781590001

0781590001

Woodhead - Molex

CONN IVDR RCPT 26POS SLD R/A SMD

0

0678008001

0678008001

Woodhead - Molex

CONN SATA HEADER 7POS SLD PCB

0

0757580106

0757580106

Woodhead - Molex

CONN SAS RCPT W/CAGE 2X1 52P R/A

0

0674911039

0674911039

Woodhead - Molex

CONN SATA HEADER 7POS SLD PCB

0

0678008101

0678008101

Woodhead - Molex

CONN SATA HEADER 7POS SLD PCB

0

0455931604

0455931604

Woodhead - Molex

CONN PLUG 10POS SLD PCB

0

0744410021

0744410021

Woodhead - Molex

CONN SFP+ RCPT 20POS SLD R/A SMD

0

0780110011

0780110011

Woodhead - Molex

CONN SATA RCPT 22POS SLD SMD

0

0678007102

0678007102

Woodhead - Molex

CONN SATA HEADER 7POS SLD PCB

0

0483251102

0483251102

Woodhead - Molex

CONN SATA RCPT 13POS SLD R/A

0

0473001040

0473001040

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

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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