Modular Connectors - Jacks With Magnetics

Image Part Number Description / PDF Quantity Rfq
7499010121A

7499010121A

Würth Elektronik Midcom

CONN JACK 1PORT 100 BASE-T PCB

395

7499211123

7499211123

Würth Elektronik Midcom

CONN JACK 1PORT 100 BASE-T PCB

233

7499111000A

7499111000A

Würth Elektronik Midcom

CONN JACK 1PORT 1000 BASE-T PCB

34

7499110124

7499110124

Würth Elektronik Midcom

CONN JACK 1PORT 1000 BASE-T PCB

570

7499011002A

7499011002A

Würth Elektronik Midcom

CONN JACK 1PORT 100 BASE-T PCB

0

7499211122A

7499211122A

Würth Elektronik Midcom

CONN JACK 1PORT 100 BASE-T PCB

558

7498011211

7498011211

Würth Elektronik Midcom

CONN JACK 1PORT 100 BASE-T SMD

107

7499210121A

7499210121A

Würth Elektronik Midcom

CONN JACK 1PORT 100 BASE-T PCB

665

7499011441A

7499011441A

Würth Elektronik Midcom

CONN JACK 1PORT 100 BASE-T

58

7499010004A

7499010004A

Würth Elektronik Midcom

CONN JACK 1PORT 100 BASE-T PCB

0

7499011001A

7499011001A

Würth Elektronik Midcom

CONN JACK 1PORT 100 BASE-T PCB

65

74990111215

74990111215

Würth Elektronik Midcom

CONN JACK 1PORT 100 BASE-T PCB

556

7499111613

7499111613

Würth Elektronik Midcom

CONN JACK 1PORT 1000 BASE-T PCB

0

7499411122

7499411122

Würth Elektronik Midcom

CONN JACK 1PORT 100 BASE-T PCB

2023

7498111120R

7498111120R

Würth Elektronik Midcom

CONN JACK 1PORT 1000 BASE-T SMD

376

7499111001A

7499111001A

Würth Elektronik Midcom

CONN JACK 1PORT 1000 BASE-T PCB

121

7498011008

7498011008

Würth Elektronik Midcom

CONN JACK 1PORT 100 BASE-T SMD

7

7499011222A

7499011222A

Würth Elektronik Midcom

CONN JACK 1PORT 100 BASE-T PCB

534

7498210002

7498210002

Würth Elektronik Midcom

CONN JACK 1PORT 100 BASE-T SMD

107

7498111001

7498111001

Würth Elektronik Midcom

CONN JACK 1PORT 1000 BASE-T SMD

1462

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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