Modular Connectors - Jacks

Image Part Number Description / PDF Quantity Rfq
0438600005

0438600005

Woodhead - Molex

CONN MOD JACK 6P6C R/A SHIELDED

850

0442480029

0442480029

Woodhead - Molex

CONN MOD JACK 8P8C R/A SHIELDED

0

0855105027

0855105027

Woodhead - Molex

CONN MOD JACK 6P6C VERT UNSHLD

0

0432236101

0432236101

Woodhead - Molex

CONN MOD JACK 6P6C R/A UNSHLD

3792

0441500005

0441500005

Woodhead - Molex

CONN MOD JACK 8P8C R/A SHIELDED

61

0441700001

0441700001

Woodhead - Molex

CONN MOD JACK 8P8C R/A SHIELDED

192

0955036891

0955036891

Woodhead - Molex

CONN MOD JACK 8P8C VERT UNSHLD

0

0955012882

0955012882

Woodhead - Molex

CONN MOD JACK 8P8C R/A UNSHLD

2112

0442480086

0442480086

Woodhead - Molex

CONN MOD JACK 8P8C R/A SHIELDED

941

0432498104

0432498104

Woodhead - Molex

CONN MOD JACK 8P8C R/A UNSHLD

1822

0428784216

0428784216

Woodhead - Molex

CONN MOD JACK 4P4C VERT UNSHLD

0

0847020008

0847020008

Woodhead - Molex

CONN MOD JACK 8P8C UNSHIELDED

123

0955222887

0955222887

Woodhead - Molex

CONN MOD JACK 8P8C VERT UNSHLD

0

0855135115

0855135115

Woodhead - Molex

CONN MOD JACK 6P4C VERT UNSHLD

54

0855105028

0855105028

Woodhead - Molex

CONN MOD JACK 8P8C VERT UNSHLD

0

0955036894

0955036894

Woodhead - Molex

CONN MOD JACK 8P8C VERT UNSHLD

0

0955016669

0955016669

Woodhead - Molex

CONN MOD JACK 6P6C R/A UNSHLD

3221

0432026101

0432026101

Woodhead - Molex

CONN MOD JACK 6P6C R/A UNSHLD

11993

0432238182

0432238182

Woodhead - Molex

CONN MOD JACK 8P8C R/A SHIELDED

355

0440500001

0440500001

Woodhead - Molex

CONN MOD JACK 8P8C R/A SHIELDED

258

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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