Modular Connectors - Jacks

Image Part Number Description / PDF Quantity Rfq
0424108552

0424108552

Woodhead - Molex

CONN MOD JACK 8P8C VERT UNSHLD

0

0445602024

0445602024

Woodhead - Molex

CONN MOD JACK 8P8C R/A SHIELDED

0

0015830916

0015830916

Woodhead - Molex

CONN MOD JACK 8P8C R/A UNSHLD

0

0442480006

0442480006

Woodhead - Molex

CONN MOD JACK 8P8C R/A UNSHLD

0

0015438544

0015438544

Woodhead - Molex

CONN MOD JACK 4P4C R/A UNSHLD

0

0437438302

0437438302

Woodhead - Molex

CONN MOD JACK 8P4C R/A UNSHLD

0

0951232881

0951232881

Woodhead - Molex

CONN MOD JACK 8P8C VERT SHIELDED

0

0428784360

0428784360

Woodhead - Molex

CONN MOD JACK 4P2C VERT UNSHLD

0

0950222887

0950222887

Woodhead - Molex

CONN MOD JACK 8P8C VERT UNSHLD

0

0015438504

0015438504

Woodhead - Molex

CONN MOD JACK 8P6C R/A UNSHLD

0

0428789272

0428789272

Woodhead - Molex

CONN MOD JACK 8P2C VERT UNSHLD

0

0432236025

0432236025

Woodhead - Molex

CONN MOD JACK 6P4C R/A UNSHLD

0

0441930017

0441930017

Woodhead - Molex

CONN MOD JACK 6P2C R/A UNSHLD

0

0438410007

0438410007

Woodhead - Molex

CONN MOD JACK 8P6C R/A UNSHLD

0

0438410002

0438410002

Woodhead - Molex

CONN MOD JACK 8P6C R/A UNSHLD

0

0432498908

0432498908

Woodhead - Molex

CONN MOD JACK 8P10C R/A SHIELDED

0

0951222881

0951222881

Woodhead - Molex

CONN MOD JACK 8P8C R/A SHIELDED

0

0428789322

0428789322

Woodhead - Molex

CONN MOD JACK 8P2C VERT UNSHLD

0

0432236052

0432236052

Woodhead - Molex

CONN MOD JACK 6P2C R/A UNSHLD

0

0428784362

0428784362

Woodhead - Molex

CONN MOD JACK 4P2C VERT 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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