Modular Connectors - Jacks

Image Part Number Description / PDF Quantity Rfq
0442480074

0442480074

Woodhead - Molex

CONN MOD JACK 6P4C R/A UNSHLD

0

0441500007

0441500007

Woodhead - Molex

CONN MOD JACK 8P8C R/A SHIELDED

0

0432238149

0432238149

Woodhead - Molex

CONN MOD JACK 8P8C R/A UNSHLD

0

0438410012

0438410012

Woodhead - Molex

CONN MOD JACK 8P6C R/A UNSHLD

0

0432028918

0432028918

Woodhead - Molex

CONN MOD JACK 8P8C R/A SHIELDED

0

0432238119

0432238119

Woodhead - Molex

CONN MOD JACK 8P10C R/A UNSHLD

0

0428788840

0428788840

Woodhead - Molex

CONN MOD JACK 8P6C VERT UNSHLD

0

0442480009

0442480009

Woodhead - Molex

CONN MOD JACK 6P6C R/A UNSHLD

0

0432236146

0432236146

Woodhead - Molex

CONN MOD JACK 6P2C R/A UNSHLD

0

0428788842

0428788842

Woodhead - Molex

CONN MOD JACK 8P6C VERT UNSHLD

0

0428788504

0428788504

Woodhead - Molex

CONN MOD JACK 8P8C VERT UNSHLD

0

0855105026

0855105026

Woodhead - Molex

CONN MOD JACK 6P4C VERT UNSHLD

0

0441500026

0441500026

Woodhead - Molex

CONN MOD JACK 8P8C R/A SHIELDED

0

0445605012

0445605012

Woodhead - Molex

CONN MOD JACK 8P8C R/A SHIELDED

0

0443800010

0443800010

Woodhead - Molex

CONN MOD JACK 8P8C R/A SHIELDED

0

0432498920

0432498920

Woodhead - Molex

CONN MOD JACK 8P8C R/A SHIELDED

0

0432238113

0432238113

Woodhead - Molex

CONN MOD JACK 8P10C R/A UNSHLD

0

0432028801

0432028801

Woodhead - Molex

CONN MOD JACK 8P10C R/A SHIELDED

0

0442480094

0442480094

Woodhead - Molex

CONN MOD JACK 6P4C R/A SHIELDED

0

0445600003

0445600003

Woodhead - Molex

CONN MOD JACK 8P8C 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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