Modular Connectors - Jacks

Image Part Number Description / PDF Quantity Rfq
GMX-SMT2-N-44

GMX-SMT2-N-44

Kycon

FL/SMT M/JACK LOW/PROF RT<4P4C B

1131

1734795-1

1734795-1

TE Connectivity AMP Connectors

CONN MOD JACK 8P8C R/A SHIELDED

7567

1403684

1403684

Phoenix Contact

CONN MULTI-PORT POWER COUPLING

0

TM3RA-64(50)

TM3RA-64(50)

Hirose

CONN MOD JACK 6P4C VERT UNSHLD

71

SS-60400-022

SS-60400-022

Stewart Connector

MOD SEAL JACK RT. ANGLE W/LED M3

395

GDCX-PN-44

GDCX-PN-44

Kycon

MODJACK PERPEND 4P4C BLK ROHS CO

700

SS-60400-004

SS-60400-004

Stewart Connector

CONN MOD JACK IP67 VERT 1PRT

1032

RJHSEN384

RJHSEN384

Storage & Server IO (Amphenol ICC)

8P8C, VERTICAL, SHIELD WITH NO E

1317

RV6IJ2UOR-S1

RV6IJ2UOR-S1

Belden

JACK CAT 6 UTP RJ45 ORG

10

615008145121

615008145121

Würth Elektronik Midcom

CONN MOD JACK 8P8C ANGLED SHLD

1191

5520242-2

5520242-2

TE Connectivity AMP Connectors

CONN MOD JACK 6P4C R/A UNSHLD

0

1091942

1091942

Phoenix Contact

RJ45 SOCKET INSERT, TYPE: RJ45,

50

0855105017

0855105017

Woodhead - Molex

CONN MOD JACK 4P4C VERT UNSHLD

4081

GMX-S-88-50

GMX-S-88-50

Kycon

MODJK LOW/PROF RT< 8P8C SHIELD B

874

0446610001

0446610001

Woodhead - Molex

CONN MOD JACK 8P8C R/A SHIELDED

0

634108149621

634108149621

Würth Elektronik Midcom

CONN MOD JACK 8P8C VERT UNSHLD

155

0440500003

0440500003

Woodhead - Molex

CONN MOD JACK 8P8C R/A SHIELDED

771

17-102184

17-102184

CONEC

CONN MOD JACK 8P8C SHLD

77

5406436-1

5406436-1

TE Connectivity AMP Connectors

CONN MOD JACK 8P8C VERT SHIELDED

1813

0855035001

0855035001

Woodhead - Molex

CONN MOD JACK 8P8C R/A 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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