Pluggable Connectors

Image Part Number Description / PDF Quantity Rfq
0768661123

0768661123

Woodhead - Molex

CONN MIN 2.0 SAS RCP 1X4 144P RA

0

0757840041

0757840041

Woodhead - Molex

CONN MINI SAS RCPT 26POS SLD SMD

0

0757840107

0757840107

Woodhead - Molex

CONN MINI SAS RCPT 36POS SLD SMD

0

0757830142

0757830142

Woodhead - Molex

CONN MINI SAS RCP 36P SLD RA SMD

0

0769970242

0769970242

Woodhead - Molex

CONN CXP RCPT W/CAGE 84POS PCB

0

0757830211

0757830211

Woodhead - Molex

CONN MINI SAS RCP 50P SLD RA SMD

0

0755860106

0755860106

Woodhead - Molex

CONN MINI SAS RCP 68P SLD RA SMD

0

0757840211

0757840211

Woodhead - Molex

CONN MINI SAS RCPT 50POS SLD SMD

0

0787200001

0787200001

Woodhead - Molex

SAS RECEP VT PRESSFIT 0.76AULF 2

0

0757840340

0757840340

Woodhead - Molex

CONN MINI SAS RCPT 68POS SLD SMD

0

0757830031

0757830031

Woodhead - Molex

CONN MINI SAS RCP 26P SLD RA SMD

0

0747500040

0747500040

Woodhead - Molex

QSFP HEATSINK W/ EMI FINGER CAGE

0

0761035001

0761035001

Woodhead - Molex

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

0

0757840225

0757840225

Woodhead - Molex

CONN MINI SAS RCPT 50POS SLD SMD

0

0757830307

0757830307

Woodhead - Molex

CONN MINI SAS RCP 68P SLD RA SMD

0

0757840250

0757840250

Woodhead - Molex

CONN MINI SAS RCPT 50POS SLD SMD

0

0757865001

0757865001

Woodhead - Molex

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

0

0757830312

0757830312

Woodhead - Molex

CONN MINI SAS RCP 68P SLD RA SMD

0

0757830035

0757830035

Woodhead - Molex

CONN MINI SAS RCP 26P SLD RA SMD

0

0473065025

0473065025

Woodhead - Molex

CONN SATA HEADER 7POS 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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