Pluggable Connectors

Image Part Number Description / PDF Quantity Rfq
0757830345

0757830345

Woodhead - Molex

CONN MINI SAS RCP 68P SLD RA SMD

0

1700716011

1700716011

Woodhead - Molex

CONN ZSFP+ RCPT CAGE 2X6 240P RA

0

1700718001

1700718001

Woodhead - Molex

CONN ZSFP+ RCPT CAGE 2X8 320P RA

0

0757840032

0757840032

Woodhead - Molex

CONN MINI SAS RCPT 26POS SLD SMD

0

0757840238

0757840238

Woodhead - Molex

CONN MINI SAS RCPT 50POS SLD SMD

0

0878390017

0878390017

Woodhead - Molex

CONN SAS RCPT 29POS SLD PCB

1745

0453391602

0453391602

Woodhead - Molex

CONN PLUG 8POS SLD STR

0

0768660125

0768660125

Woodhead - Molex

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

0

0757840144

0757840144

Woodhead - Molex

CONN MINI SAS RCPT 36POS SLD SMD

0

0754515003

0754515003

Woodhead - Molex

CONN SFP RCPT W/CAGE 2X6 240P RA

0

1001140420

1001140420

Woodhead - Molex

1X4 ZSFP+ CAGE SF GASKET

0

0534600639

0534600639

Woodhead - Molex

2.00MM PITCH IEEE 1394-1995 SHIE

0

1717222003

1717222003

Woodhead - Molex

CONN ZQSFP+ RCP CAGE 2X2 152P RA

0

1700714012

1700714012

Woodhead - Molex

CONN ZSFP+ RCPT CAGE 2X4 160P RA

0

0757830310

0757830310

Woodhead - Molex

CONN MINI SAS RCP 68P SLD RA SMD

0

0757830125

0757830125

Woodhead - Molex

CONN MINI SAS RCP 36P SLD RA SMD

0

0757830208

0757830208

Woodhead - Molex

CONN MINI SAS RCP 50P SLD RA SMD

0

0768711403

0768711403

Woodhead - Molex

CONN QSFP+ RCP W/CAGE 2X1 76P RA

0

0757840352

0757840352

Woodhead - Molex

CONN MINI SAS RCPT 68POS SLD SMD

0

0757830319

0757830319

Woodhead - Molex

CONN MINI SAS RCP 68P 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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