Modular Connectors - Jacks

Image Part Number Description / PDF Quantity Rfq
0950012641

0950012641

Woodhead - Molex

CONN MOD JACK 6P4C R/A UNSHLD

0

0950012882

0950012882

Woodhead - Molex

CONN MOD JACK 8P8C R/A UNSHLD

0

0432026104

0432026104

Woodhead - Molex

CONN MOD JACK 6P4C R/A UNSHLD

0

0520184446

0520184446

Woodhead - Molex

CONN MOD JACK 4P4C R/A UNSHLD

0

0432238302

0432238302

Woodhead - Molex

CONN MOD JACK 8P8C R/A SHIELDED

0

0520184416

0520184416

Woodhead - Molex

CONN MOD JACK 4P4C R/A UNSHLD

0

0440500004

0440500004

Woodhead - Molex

CONN MOD JACK 8P8C R/A SHIELDED

0

0424108504

0424108504

Woodhead - Molex

CONN MOD JACK 8P8C VERT UNSHLD

0

0432028105

0432028105

Woodhead - Molex

CONN MOD JACK 8P8C R/A UNSHLD

0

0855070001

0855070001

Woodhead - Molex

CONN MOD JACK 8P8C VERT SHIELDED

0

0432498901

0432498901

Woodhead - Molex

CONN MOD JACK 8P10C R/A SHIELDED

0

0445600022

0445600022

Woodhead - Molex

CONN MOD JACK 8P8C R/A SHIELDED

0

0855080001

0855080001

Woodhead - Molex

CONN MOD JACK 8P8C VERT SHIELDED

0

0950032882

0950032882

Woodhead - Molex

CONN MOD JACK 8P8C VERT UNSHLD

0

0955027883

0955027883

Woodhead - Molex

CONN MOD JACK 8P8C VERT UNSHLD

0

0432238028

0432238028

Woodhead - Molex

CONN MOD JACK 8P8C R/A UNSHLD

0

0855110001

0855110001

Woodhead - Molex

CONN MOD JACK 8P8C VERT UNSHLD

0

0432498902

0432498902

Woodhead - Molex

CONN MOD JACK 8P10C R/A SHIELDED

0

0950016881

0950016881

Woodhead - Molex

CONN MOD JACK 8P8C R/A UNSHLD

0

0424106264

0424106264

Woodhead - Molex

CONN MOD JACK 6P6C VERT 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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