Modular Connectors - Jacks

Image Part Number Description / PDF Quantity Rfq
0855085001

0855085001

Woodhead - Molex

CONN MOD JACK 8P8C VERT SHIELDED

0

0441930003

0441930003

Woodhead - Molex

CONN MOD JACK 8P8C R/A UNSHLD

1888

0441500011

0441500011

Woodhead - Molex

CONN MOD JACK 8P8C R/A SHIELDED

255

0955222881

0955222881

Woodhead - Molex

CONN MOD JACK 8P8C VERT UNSHLD

2590

0432028817

0432028817

Woodhead - Molex

CONN MOD JACK 8P8C R/A SHIELDED

38

1300530002

1300530002

Woodhead - Molex

ENET FR BPM 568A SHD PUNCHDOWN

13

0432236140

0432236140

Woodhead - Molex

CONN MOD JACK 6P4C R/A UNSHLD

225

0440500007

0440500007

Woodhead - Molex

CONN MOD JACK 8P8C R/A SHIELDED

1038

0855105117

0855105117

Woodhead - Molex

CONN MOD JACK 4P4C VERT UNSHLD

0

0955027643

0955027643

Woodhead - Molex

CONN MOD JACK 6P4C VERT UNSHLD

0

0441930004

0441930004

Woodhead - Molex

CONN MOD JACK 6P4C R/A UNSHLD

0

0424104168

0424104168

Woodhead - Molex

CONN MOD JACK 4P4C VERT UNSHLD

0

0442480101

0442480101

Woodhead - Molex

CONN MOD JACK 6P6C R/A SHIELDED

0

0428788458

0428788458

Woodhead - Molex

CONN MOD JACK 8P8C VERT UNSHLD

0

0432028819

0432028819

Woodhead - Molex

CONN MOD JACK 8P8C R/A SHIELDED

501

0437436201

0437436201

Woodhead - Molex

CONN MOD JACK 6P2C R/A UNSHLD

0

0438605025

0438605025

Woodhead - Molex

MODJACK RA LOPRO 50AU INV W/SHIE

0

0428789370

0428789370

Woodhead - Molex

CONN MOD JACK 8P2C VERT UNSHLD

0

0855427001

0855427001

Woodhead - Molex

CONN MOD JACK 8P8C R/A SHLD

0

0955222661

0955222661

Woodhead - Molex

TOP ENTRY JACK 6/6

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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