Pluggable Connectors

Image Part Number Description / PDF Quantity Rfq
0757840342

0757840342

Woodhead - Molex

CONN MINI SAS RCPT 68POS SLD SMD

0

0674910025

0674910025

Woodhead - Molex

CONN SATA HEADER 7POS SLD PCB

0

0757830308

0757830308

Woodhead - Molex

CONN MINI SAS RCP 68P SLD RA SMD

0

0757830233

0757830233

Woodhead - Molex

CONN MINI SAS RCP 50P SLD RA SMD

0

0757840042

0757840042

Woodhead - Molex

CONN MINI SAS RCPT 26POS SLD SMD

0

0757830160

0757830160

Woodhead - Molex

CONN MINI SAS RCP 36P SLD RA SMD

0

0757830209

0757830209

Woodhead - Molex

CONN MINI SAS RCP 50P SLD RA SMD

0

0757335001

0757335001

Woodhead - Molex

CONN SFP RCPT W/CAGE 2X5 200P RA

0

0787950001

0787950001

Woodhead - Molex

CONN SAS RCPT 29POS SLD SMD

0

0757840019

0757840019

Woodhead - Molex

CONN MINI SAS RCPT 26POS SLD SMD

0

0757830342

0757830342

Woodhead - Molex

CONN MINI SAS RCP 68P SLD RA SMD

0

0757830212

0757830212

Woodhead - Molex

CONN MINI SAS RCP 50P SLD RA SMD

0

0755771002

0755771002

Woodhead - Molex

CONN MINI SAS RCPT 36POS SLD SMD

0

0878630025

0878630025

Woodhead - Molex

CONN SAS RCPT 29POS PRESSFIT PCB

1885

0757830036

0757830036

Woodhead - Molex

CONN MINI SAS RCP 26P SLD RA SMD

0

0757840251

0757840251

Woodhead - Molex

CONN MINI SAS RCPT 50POS SLD SMD

0

0678005012

0678005012

Woodhead - Molex

CONN SATA HEADER 7POS SLD SMD

0

0757830021

0757830021

Woodhead - Molex

CONN MINI SAS RCP 26P SLD RA SMD

0

0878240015

0878240015

Woodhead - Molex

CONN SAS RCPT 29POS SLD SMD

1190

0757830148

0757830148

Woodhead - Molex

CONN MINI SAS RCP 36P SLD RA 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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