Modular Connectors - Jacks

Image Part Number Description / PDF Quantity Rfq
0432026107

0432026107

Woodhead - Molex

CONN MOD JACK 6P2C R/A UNSHLD

131

0955032661

0955032661

Woodhead - Molex

CONN MOD JACK 6P6C VERT UNSHLD

3051

0442480001

0442480001

Woodhead - Molex

CONN MOD JACK 8P8C R/A UNSHLD

0

0855135016

0855135016

Woodhead - Molex

CONN MOD JACK 4P4C VERT UNSHLD

0

0520188846

0520188846

Woodhead - Molex

CONN MOD JACK 8P8C R/A UNSHLD

50

0438600004

0438600004

Woodhead - Molex

CONN MOD JACK 8P8C R/A SHIELDED

4832

0445200001

0445200001

Woodhead - Molex

CONN MOD JACK 8P8C R/A SHIELDED

22

0855025011

0855025011

Woodhead - Molex

CONN MOD JACK 6P6C R/A UNSHLD

0

0432496101

0432496101

Woodhead - Molex

CONN MOD JACK 6P6C R/A UNSHLD

1870

0442480093

0442480093

Woodhead - Molex

CONN MOD JACK 6P6C R/A SHIELDED

83

0441440003

0441440003

Woodhead - Molex

CONN MOD JACK 8P8C R/A UNSHLD

1553

0438600014

0438600014

Woodhead - Molex

CONN MOD JACK 6P6C R/A SHIELDED

329

0855135013

0855135013

Woodhead - Molex

CONN MOD JACK 8P8C VERT UNSHLD

2

0855105019

0855105019

Woodhead - Molex

CONN MOD JACK 6P6C VERT UNSHLD

713

0855025006

0855025006

Woodhead - Molex

CONN MOD JACK 6P4C R/A UNSHLD

253

0446610002

0446610002

Woodhead - Molex

CONN MOD JACK 8P8C R/A UNSHLD

2857

0441700002

0441700002

Woodhead - Molex

CONN MOD JACK 8P8C R/A SHIELDED

27

0520186646

0520186646

Woodhead - Molex

CONN MOD JACK 6P6C R/A UNSHLD

3

0428788410

0428788410

Woodhead - Molex

CONN MOD JACK 8P8C VERT UNSHLD

0

0432028919

0432028919

Woodhead - Molex

CONN MOD JACK 8P8C R/A SHIELDED

488

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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