Pluggable Connectors

Image Part Number Description / PDF Quantity Rfq
0757840020

0757840020

Woodhead - Molex

CONN MINI SAS RCPT 26POS SLD SMD

0

0757840025

0757840025

Woodhead - Molex

CONN MINI SAS RCPT 26POS SLD SMD

0

0761045001

0761045001

Woodhead - Molex

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

0

0757840208

0757840208

Woodhead - Molex

CONN MINI SAS RCPT 50POS SLD SMD

0

0453391603

0453391603

Woodhead - Molex

CONN PLUG 9POS SLD STR

0

0781641051

0781641051

Woodhead - Molex

CONN PLUG 29POS SLD SMD

0

1712241001

1712241001

Woodhead - Molex

ZSFP+ STACKED, 2X1 W/METAL NO LP

0

0757830107

0757830107

Woodhead - Molex

CONN MINI SAS RCP 36P SLD RA SMD

0

0757840308

0757840308

Woodhead - Molex

CONN MINI SAS RCPT 68POS SLD SMD

0

0757830344

0757830344

Woodhead - Molex

CONN MINI SAS RCP 68P SLD RA SMD

0

0757840160

0757840160

Woodhead - Molex

CONN MINI SAS RCPT 36POS SLD SMD

0

0757840219

0757840219

Woodhead - Molex

CONN MINI SAS RCPT 50POS SLD SMD

0

0757840021

0757840021

Woodhead - Molex

CONN MINI SAS RCPT 26POS SLD SMD

0

1700716001

1700716001

Woodhead - Molex

CONN ZSFP+ RCPT CAGE 2X6 240P RA

0

0757830325

0757830325

Woodhead - Molex

CONN MINI SAS RCP 68P SLD RA SMD

0

0761050185

0761050185

Woodhead - Molex

CONN CXP RCPT W/CAGE 84P SLD RA

0

0674921931

0674921931

Woodhead - Molex

CONN SATA RCPT 22POS SLD R/A SMD

0

0757840241

0757840241

Woodhead - Molex

CONN MINI SAS RCPT 50POS SLD SMD

0

0760665001

0760665001

Woodhead - Molex

CONN SFP+ RCPT W/CAGE 2X4 80P RA

0

0757840119

0757840119

Woodhead - Molex

CONN MINI SAS RCPT 36POS 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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