Pluggable Connectors

Image Part Number Description / PDF Quantity Rfq
0473792000

0473792000

Woodhead - Molex

CONN SATA PLUG 7POS SLD R/A SMD

0

0739270004

0739270004

Woodhead - Molex

CONN SFP CAGE SLD R/A

0

0674921120

0674921120

Woodhead - Molex

CONN SATA RCPT 22POS SLD R/A SMD

0

0483300001

0483300001

Woodhead - Molex

CONN SATA RCPT 13POS SLD R/A SMD

0

0785280001

0785280001

Woodhead - Molex

CONN MICRO SAS PLG 25POS SLD PCB

0

747540113

747540113

Woodhead - Molex

SINGLE PORT SFP+CAGE PRESS FIT

0

0674901225

0674901225

Woodhead - Molex

CONN SATA HEADER 7POS SLD RA SMD

0

0768670002

0768670002

Woodhead - Molex

CONN MINI 2.0 SAS RCP 1X2 72P RA

0

0674913012

0674913012

Woodhead - Molex

CONN SATA HEADER 7POS SLD PCB

0

0757580104

0757580104

Woodhead - Molex

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

0

0783201001

0783201001

Woodhead - Molex

CONN MICRO SATA RCPT 14P R/A SMD

0

0785000001

0785000001

Woodhead - Molex

CONN MICRO SATA RCPT 16P SLD SMD

0

0768670003

0768670003

Woodhead - Molex

CONN MIN 2.0 SAS RCP 1X4 144P RA

0

0747500024

0747500024

Woodhead - Molex

QSFP+CAGE W/EMI SPRNG FNGRS-CLOS

0

0473921001

0473921001

Woodhead - Molex

CONN SATA PLUG 7POS SLD R/A

0

5010542670

5010542670

Woodhead - Molex

CONN PLUG 26POS SLD R/A SMD

0

0747370029

0747370029

Woodhead - Molex

CONN SFP CAGE PRESS-FIT R/A

0

5010141474

5010141474

Woodhead - Molex

CONN PLUG 14POS SLD R/A SMD

0

5010541470

5010541470

Woodhead - Molex

CONN PLUG 14POS SLD R/A SMD

0

0915250410

0915250410

Woodhead - Molex

CONN INFINIBAND RCPT 8P SLD RA

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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