Modular Connectors - Jacks

Image Part Number Description / PDF Quantity Rfq
0432028116

0432028116

Woodhead - Molex

CONN MOD JACK 8P6C R/A UNSHLD

0

0950036881

0950036881

Woodhead - Molex

CONN MOD JACK 8P8C VERT UNSHLD

0

0441440015

0441440015

Woodhead - Molex

CONN MOD JACK 6P6C R/A UNSHLD

0

0950032661

0950032661

Woodhead - Molex

CONN MOD JACK 6P6C VERT UNSHLD

0

0441500028

0441500028

Woodhead - Molex

CONN MOD JACK 8P8C R/A SHIELDED

0

0950092667

0950092667

Woodhead - Molex

CONN MOD JACK 6P6C R/A UNSHLD

0

0855105127

0855105127

Woodhead - Molex

CONN MOD JACK 6P6C VERT UNSHLD

0

0950092661

0950092661

Woodhead - Molex

CONN MOD JACK 6P6C R/A UNSHLD

0

0437436002

0437436002

Woodhead - Molex

CONN MOD JACK 6P6C R/A UNSHLD

0

0950092441

0950092441

Woodhead - Molex

CONN MOD JACK 4P4C R/A UNSHLD

0

0424106266

0424106266

Woodhead - Molex

CONN MOD JACK 6P6C VERT UNSHLD

0

0955027443

0955027443

Woodhead - Molex

CONN MOD JACK 4P4C VERT UNSHLD

0

0950036661

0950036661

Woodhead - Molex

CONN MOD JACK 6P6C VERT UNSHLD

0

0950092641

0950092641

Woodhead - Molex

CONN MOD JACK 6P4C R/A UNSHLD

0

0442820005

0442820005

Woodhead - Molex

CONN MOD JACK 8P8C R/A SHIELDED

0

0441500015

0441500015

Woodhead - Molex

CONN MOD JACK 8P8C R/A SHIELDED

0

0441500009

0441500009

Woodhead - Molex

CONN MOD JACK 8P8C R/A SHIELDED

0

0441500034

0441500034

Woodhead - Molex

CONN MOD JACK 8P8C R/A SHIELDED

0

0855135101

0855135101

Woodhead - Molex

CONN MOD JACK 8P8C VERT UNSHLD

0

0432238140

0432238140

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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