Modular Connectors - Jacks

Image Part Number Description / PDF Quantity Rfq
0950097441

0950097441

Woodhead - Molex

CONN MOD JACK 4P4C R/A UNSHLD

0

0955402881

0955402881

Woodhead - Molex

CONN MOD JACK 8P8C R/A SHIELDED

0

0438600027

0438600027

Woodhead - Molex

CONN MOD JACK 6P4C R/A SHIELDED

0

0847020005

0847020005

Woodhead - Molex

CONN MOD JACK 8P8C UNSHIELDED

0

0446611011

0446611011

Woodhead - Molex

CONN MOD JACK 8P8C R/A SHIELDED

0

0424106312

0424106312

Woodhead - Molex

CONN MOD JACK 6P4C VERT UNSHLD

373

0956232881

0956232881

Woodhead - Molex

CONN MOD JACK 8P8C VERT SHIELDED

0

0855055002

0855055002

Woodhead - Molex

CONN MOD JACK 8P8C R/A SHIELDED

0

0445600002

0445600002

Woodhead - Molex

CONN MOD JACK 8P8C R/A SHIELDED

228

0442480085

0442480085

Woodhead - Molex

CONN MOD JACK 8P8C R/A SHIELDED

573

0955032641

0955032641

Woodhead - Molex

CONN MOD JACK 6P4C VERT UNSHLD

317

0950092647

0950092647

Woodhead - Molex

CONN MOD JACK 6P4C R/A UNSHLD

0

0950097641

0950097641

Woodhead - Molex

CONN MOD JACK 6P4C R/A UNSHLD

404

0446610011

0446610011

Woodhead - Molex

CONN MOD JACK 8P8C R/A SHIELDED

2729

0955012661

0955012661

Woodhead - Molex

CONN MOD JACK 6P6C R/A UNSHLD

0

0955012881

0955012881

Woodhead - Molex

CONN MOD JACK 8P8C R/A UNSHLD

0

0428786216

0428786216

Woodhead - Molex

CONN MOD JACK 6P6C VERT UNSHLD

5298

0432028101

0432028101

Woodhead - Molex

CONN MOD JACK 8P10C R/A UNSHLD

2021

0950097887

0950097887

Woodhead - Molex

CONN MOD JACK 8P8C R/A UNSHLD

0

0950097667

0950097667

Woodhead - Molex

CONN MOD JACK 6P6C R/A UNSHLD

0

Modular Connectors - Jacks

1. Overview

Modular connectors-jacks are standardized electro-mechanical interfaces used for connecting cables in telecommunications, data networks, and electronic systems. Their hot-swappable design and standardized dimensions enable rapid deployment and maintenance. These connectors maintain signal integrity while providing mechanical strain relief, playing critical roles in network infrastructure, consumer electronics, and industrial equipment.

2. Main Types and Functional Classification

TypeFunctional CharacteristicsApplication Examples
RJ116-position 2-conductor design, voice-grade transmissionResidential telephone lines
RJ458-position 8-conductor, supports up to 10GBASE-T EthernetLAN switches/routers
USB Type-ARectangular interface with 4-24 pins, supports USB 3.2 Gen2Computer peripherals
HDMI19-pin configuration, transmits uncompressed video/audioHome theaters/monitors
Fiber LCDuplex optical interface, supports 100Gbps+ transmissionData center backbone

3. Structure and Components

Typical construction includes: - Insulating housing (high-temp thermoplastic) - Conductive contacts (phosphor bronze with gold plating) - Latch retention mechanism - Wire termination points (IDC or solder) - EMI shielding layer The modular design allows tool-less installation while maintaining mechanical stability through polarization keys and retention clips.

4. Key Technical Specifications

ParameterTypical ValuesImportance
Insertion Loss<0.5dB @100MHzSignal quality preservation
Durability750-2000 mating cyclesLong-term reliability
Contact Resistance10-30m Power transmission efficiency
Insulation Resistance>500M Electrical safety
Operating Temp-40 C to +85 CEnvironmental adaptability

5. Application Fields

  • Telecom: PBX systems, DSL modems
  • IT Infrastructure: Server racks, PoE devices
  • Consumer Electronics: Smart TVs, gaming consoles
  • Industrial: PLC controllers, SCADA systems
  • Automotive: Telematics control units

6. Leading Manufacturers and Products

ManufacturerKey Products
TE ConnectivityCategory 8 RJ45 modules
AmphenolMilitary-spec circular connectors
MolexOptical LC duplex adapters
DelphiAutomotive-grade sealed jacks

7. Selection Guidelines

Key considerations: - Transmission speed requirements (e.g., Cat6a vs Cat8) - Environmental factors (temperature/humidity/vibration) - Mating cycle expectations - Shielding requirements (FTP vs UTP) - Backward compatibility needs - Cost vs performance trade-offs

8. Industry Trends

Development directions include: - 400Gbps+ optical interfaces - 0.8mm pitch miniaturization - Smart connectors with built-in sensors - PoE++ (90W+) capability integration - Bio-based polymer materials adoption The global market is projected to grow at 6.2% CAGR through 2030 driven by 5G and IoT deployments.

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