Modular Connectors - Jacks

Image Part Number Description / PDF Quantity Rfq
0855437002

0855437002

Woodhead - Molex

CONN MOD JACK 8P8C R/A SHIELDED

1726

0432238146

0432238146

Woodhead - Molex

CONN MOD JACK 8P8C R/A SHIELDED

0

0424106170

0424106170

Woodhead - Molex

CONN MOD JACK 6P6C VERT UNSHLD

2394

0855025009

0855025009

Woodhead - Molex

CONN MOD JACK 4P4C R/A UNSHLD

8874

0446200001

0446200001

Woodhead - Molex

CONN MOD JACK 8P8C R/A UNSHLD

34

0432238122

0432238122

Woodhead - Molex

CONN MOD JACK 8P8C R/A UNSHLD

1210

0847020006

0847020006

Woodhead - Molex

CONN MOD JACK 8P8C UNSHIELDED

73

0855025005

0855025005

Woodhead - Molex

CONN MOD JACK 4P4C R/A UNSHLD

51411

0438600002

0438600002

Woodhead - Molex

CONN MOD JACK 6P6C R/A UNSHLD

515

0432238158

0432238158

Woodhead - Molex

CONN MOD JACK 8P8C R/A UNSHLD

260

0955032881

0955032881

Woodhead - Molex

CONN MOD JACK 8P8C VERT UNSHLD

0

0432498909

0432498909

Woodhead - Molex

CONN MOD JACK 8P10C R/A SHIELDED

950

0432028816

0432028816

Woodhead - Molex

CONN MOD JACK 8P8C R/A SHIELDED

0

0432236122

0432236122

Woodhead - Molex

CONN MOD JACK 6P4C R/A UNSHLD

373

0855065002

0855065002

Woodhead - Molex

CONN MOD JACK 8P8C VERT UNSHLD

0

0438410005

0438410005

Woodhead - Molex

CONN MOD JACK 6P6C R/A UNSHLD

344

0428786362

0428786362

Woodhead - Molex

CONN MOD JACK 6P4C VERT UNSHLD

4470

0441440004

0441440004

Woodhead - Molex

CONN MOD JACK 6P4C R/A UNSHLD

13

0855135010

0855135010

Woodhead - Molex

CONN MOD JACK 6P6C VERT UNSHLD

0

0432236107

0432236107

Woodhead - Molex

CONN MOD JACK 6P6C R/A UNSHLD

109

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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