Modular Connectors - Jacks With Magnetics

Image Part Number Description / PDF Quantity Rfq
ARJ11D-MDSD-A-B-ELT2

ARJ11D-MDSD-A-B-ELT2

Abracon

CONN JACK 1PORT 100 BASE-T PCB

0

0826-1L1T-57-F

0826-1L1T-57-F

Bel Fuse, Inc.

CONN JACK 1PORT 100 BASE-T PCB

0

0879-2C4R-54

0879-2C4R-54

Bel Fuse, Inc.

CONN JACK 8PORT 1000 BASE-T PCB

0

JT4-1120HL

JT4-1120HL

PulseLarsen Antenna

CONN JACK 1PORT 10G BASE-T PCB

427

JXR0-0005NL

JXR0-0005NL

PulseLarsen Antenna

CONN JACK 1PORT 100 BASE-TX PCB

0

7499011441A

7499011441A

Würth Elektronik Midcom

CONN JACK 1PORT 100 BASE-T

58

ARJ11C-MBSAT-A-B-4MU2

ARJ11C-MBSAT-A-B-4MU2

Abracon

CONN JACK 1PORT 1000 BASE-T PCB

0

A829-1A1T-91B

A829-1A1T-91B

Bel Fuse, Inc.

CONN JACK 1PORT 100 BASE-T PCB

378

SI-50162-F

SI-50162-F

Stewart Connector

CONN JACK 1PORT 100 BASE-T PCB

0

JT3-1101HL

JT3-1101HL

PulseLarsen Antenna

CONN JACK 1PORT 10G BASE-T PCB

0

ARJ11F-MASA-A-B-EM2

ARJ11F-MASA-A-B-EM2

Abracon

CONN JACK 1PORT 1000 BASE-T PCB

0

1840854-3

1840854-3

TRP Connector

CONN JACK 2PORT 100 BASE-T

291

J1V-U2500NL

J1V-U2500NL

PulseLarsen Antenna

CONN JACK 1PORT 2.5G BASE-T PCB

0

MTJG-2-88TX1-FSD-PG-LH-NRSP-M47C

MTJG-2-88TX1-FSD-PG-LH-NRSP-M47C

Adam Tech

GANGED 2 POSITION MODULAR JACK,

90

ARJ21A-MCSD-MU2

ARJ21A-MCSD-MU2

Abracon

CONN JACK 2PORT 1000 BASE-TX PCB

0

ARJ11B-MASAY-LU2

ARJ11B-MASAY-LU2

Abracon

CONN JACK 1PORT 100 BASE-T PCB

0

1840408-6

1840408-6

TRP Connector

CONN JACK 1PORT 1000 BASE-T

1205

ARJE-0034

ARJE-0034

Abracon

CONN JACK 1PORT 100 BASE-T SMD

5656

J0B-2015NL

J0B-2015NL

PulseLarsen Antenna

CONN JACK 12PORT 2.5G BASE-T PCB

0

JT4-1160HL

JT4-1160HL

PulseLarsen Antenna

CONN JACK 1PORT 10G 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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