Modular Connectors - Jacks With Magnetics

Image Part Number Description / PDF Quantity Rfq
7498011122R

7498011122R

Würth Elektronik Midcom

CONN JACK 1PORT 100 BASE-T SMD

1526

7499031001A

7499031001A

Würth Elektronik Midcom

CONN JACK 4PORT 100 BASE-T PCB

4

7499010003A

7499010003A

Würth Elektronik Midcom

CONN JACK 1PORT 100 BASE-T PCB

859

7499010211A

7499010211A

Würth Elektronik Midcom

CONN JACK 1PORT 100 BASE-T PCB

618

7499011122A

7499011122A

Würth Elektronik Midcom

CONN JACK 1PORT PCB

29

7498011001A

7498011001A

Würth Elektronik Midcom

CONN JACK 1PORT 100 BASE-T SMD

0

7499211121A

7499211121A

Würth Elektronik Midcom

CONN JACK 1PORT 100 BASE-T PCB

2762

7498011122

7498011122

Würth Elektronik Midcom

CONN JACK 1PORT 100 BASE-T SMD

1039

74982104400

74982104400

Würth Elektronik Midcom

CONN JACK 1PORT 100 BASE-TX PCB

135

7499410420

7499410420

Würth Elektronik Midcom

CONN JACK 1PORT 100 BASE-T PCB

0

7499411123A

7499411123A

Würth Elektronik Midcom

CONN JACK 1PORT 1000 BASE-T

0

7499311001

7499311001

Würth Elektronik Midcom

CONN JACK 1PORT 1000 BASE-T PCB

0

7499411123

7499411123

Würth Elektronik Midcom

CONN JACK 1PORT 1000 BASE-T

0

7499411001

7499411001

Würth Elektronik Midcom

CONN JACK 1PORT 100 BASE-T PCB

0

7499511611

7499511611

Würth Elektronik Midcom

CONN JACK 1PORT 1000 BASE-T PCB

0

7499311610

7499311610

Würth Elektronik Midcom

CONN JACK 1PORT 1000 BASE-T PCB

0

7499411122A

7499411122A

Würth Elektronik Midcom

CONN JACK 1PORT 100 BASE-T PCB

0

7498011121

7498011121

Würth Elektronik Midcom

CONN JACK 1PORT 100 BASE-T SMD

0

74990110010

74990110010

Würth Elektronik Midcom

CONN JACK 1PORT 100 BASE-T PCB

0

7499111614

7499111614

Würth Elektronik Midcom

CONN JACK 1PORT 1000 BASE-T PCB

0

Modular Connectors - Jacks With Magnetics

1. Overview

Modular connectors with integrated magnetics are hybrid components combining standard modular jack interfaces (e.g., RJ45) with built-in magnetic circuits. These devices enable signal transmission while providing galvanic isolation and noise suppression. They are critical in Ethernet communications, industrial networking, and telecommunication systems where signal integrity and electromagnetic compatibility (EMC) are essential.

2. Main Types and Functional Classification

TypeFunctional FeaturesApplication Examples
RJ45 MagJackIntegrated common-mode chokes, 10/100/1000BASE-T supportEthernet switches, routers
Surface Mount MagJackLow-profile SMD design, reduced PCB footprintIndustrial IoT devices
High-Speed MagJackUp to 10GBASE-T support, optimized for <1GHz frequenciesData center servers
POE-Enabled MagJackSupports Power-over-Ethernet (PoE/PoE+)IP cameras, VoIP phones

3. Structure and Components

Typical construction includes: - Plastic housing (LCP/PBT materials) with integrated latch mechanism - Precision-machined copper alloy contacts (gold-plated for durability) - Toroidal magnetic cores for common-mode noise suppression - PCB mounting terminals with insulation displacement design - Shielding cage for EMI protection in high-speed variants

4. Key Technical Specifications

ParameterTypical ValueImportance
Frequency Range100MHz-1GHzDetermines data transmission rate
Insulation Resistance>1G Ensures electrical safety
Rated Current1.5A per contactPOE power handling capability
VSWR<1.3:1Measures signal integrity
Mechanical Life500-1000 mating cyclesProduct durability

5. Application Fields

Primary applications across: - Telecommunications: Central office switches, DSLAMs - Industrial Automation: PLCs, SCADA systems - Consumer Electronics: Smart TVs, gaming consoles - Transportation: In-vehicle networking, railway control systems - Medical Devices: MRI machines, patient monitoring equipment

6. Leading Manufacturers and Products

ManufacturerRepresentative ProductKey Features
TE Connectivity1-1418809-310GBASE-T support, -40 C to +85 C rating
Amphenol51001001Integrated LED indicators, PoE++ compatible
Molex0878650011Shielded design, 1.27mm pitch SMD
Bel Stewart94330101EAuto-transformer function, UL94 V-0 rating

7. Selection Guidelines

Key considerations: 1. Electrical Requirements: Match data rate and PoE specifications 2. Mechanical Constraints: Check PCB footprint and mating dimensions 3. Environmental Factors: Temperature range and humidity resistance 4. Compliance: Verify IEEE 802.3 and RoHS certifications 5. Cost-Performance Ratio: Balance durability with budget limitations

8. Industry Trends

Current development trends include: - Migration to 25/100GBASE-T for data centers - Miniaturization for mobile device integration - Enhanced PoE support (up to 71W) - Integration with active circuitry (smart jacks) - Development of eco-friendly lead-free soldering solutions

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