Modular Connectors - Jacks

Image Part Number Description / PDF Quantity Rfq
0432028908

0432028908

Woodhead - Molex

CONN MOD JACK 8P10C R/A SHIELDED

0

0438410009

0438410009

Woodhead - Molex

CONN MOD JACK 6P4C R/A UNSHLD

0

0428784264

0428784264

Woodhead - Molex

CONN MOD JACK 4P4C VERT UNSHLD

0

0424106552

0424106552

Woodhead - Molex

CONN MOD JACK 6P2C VERT UNSHLD

0

0443800015

0443800015

Woodhead - Molex

CONN MOD JACK 6P4C R/A SHIELDED

0

0428788986

0428788986

Woodhead - Molex

CONN MOD JACK 8P4C VERT UNSHLD

0

0428784408

0428784408

Woodhead - Molex

CONN MOD JACK 4P2C VERT UNSHLD

0

0446201008

0446201008

Woodhead - Molex

CONN MOD JACK 8P8C R/A SHIELDED

0

0443803010

0443803010

Woodhead - Molex

CONN MODULAR JACK INVERTED

0

0445203002

0445203002

Woodhead - Molex

CONN MOD JACK 8P8C R/A SHIELDED

0

0438410008

0438410008

Woodhead - Molex

CONN MOD JACK 8P8C R/A UNSHLD

0

0446611002

0446611002

Woodhead - Molex

CONN MOD JACK 8P8C R/A UNSHLD

0

0441500004

0441500004

Woodhead - Molex

CONN MOD JACK 8P8C R/A UNSHLD

0

0015439507

0015439507

Woodhead - Molex

CONN MOD JACK 8P4C R/A UNSHLD

0

0442480076

0442480076

Woodhead - Molex

CONN MOD JACK 6P4C R/A UNSHLD

0

0428789320

0428789320

Woodhead - Molex

CONN MOD JACK 8P2C VERT UNSHLD

0

0442480066

0442480066

Woodhead - Molex

CONN MOD JACK 6P4C R/A UNSHLD

0

0015830316

0015830316

Woodhead - Molex

CONN MOD JACK 8P8C R/A UNSHLD

0

0481460010

0481460010

Woodhead - Molex

CONN MOD JACK 8P8C R/A SHIELDED

0

0432238303

0432238303

Woodhead - Molex

CONN MOD JACK 8P8C R/A SHIELDED

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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