Modular Connectors - Jacks

Image Part Number Description / PDF Quantity Rfq
0432026102

0432026102

Woodhead - Molex

CONN MOD JACK 6P6C R/A UNSHLD

0

0950016882

0950016882

Woodhead - Molex

CONN MOD JACK 8P8C R/A UNSHLD

0

0438600021

0438600021

Woodhead - Molex

CONN MOD JACK 8P8C R/A UNSHLD

0

0441440008

0441440008

Woodhead - Molex

CONN MOD JACK 8P8C R/A UNSHLD

0

0438601016

0438601016

Woodhead - Molex

CONN MOD JACK 8P8C R/A SHIELDED

0

0432238301

0432238301

Woodhead - Molex

CONN MOD JACK 8P8C R/A SHIELDED

0

0432498910

0432498910

Woodhead - Molex

CONN MOD JACK 8P10C R/A SHIELDED

0

0446611021

0446611021

Woodhead - Molex

CONN MOD JACK 8P8C R/A SHIELDED

0

0855135110

0855135110

Woodhead - Molex

CONN MOD JACK 6P6C VERT UNSHLD

0

0441500020

0441500020

Woodhead - Molex

CONN MOD JACK 8P8C R/A UNSHLD

0

0441930002

0441930002

Woodhead - Molex

CONN MOD JACK 8P6C R/A UNSHLD

0

0432238304

0432238304

Woodhead - Molex

CONN MOD JACK 8P8C R/A SHIELDED

0

0445203001

0445203001

Woodhead - Molex

CONN MOD JACK 8P8C R/A SHIELDED

0

0432238192

0432238192

Woodhead - Molex

CONN MOD JACK 8P4C R/A UNSHLD

0

0441930012

0441930012

Woodhead - Molex

CONN MOD JACK 8P6C R/A UNSHLD

0

0442820008

0442820008

Woodhead - Molex

CONN MOD JACK 8P8C R/A SHIELDED

0

0438600024

0438600024

Woodhead - Molex

CONN MOD JACK 6P2C R/A SHIELDED

0

0015438564

0015438564

Woodhead - Molex

CONN MOD JACK 6P4C R/A UNSHLD

0

0432498116

0432498116

Woodhead - Molex

CONN MOD JACK 8P6C R/A UNSHLD

0

0015438510

0015438510

Woodhead - Molex

CONN MOD JACK 8P2C 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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