Modular Connectors - Jacks With Magnetics

Image Part Number Description / PDF Quantity Rfq
ARJ-139

ARJ-139

Abracon

CONN JACK 1PORT 1000 BASE-T PCB

2083

ARJ11D-MDSG-B-A-GMU2

ARJ11D-MDSG-B-A-GMU2

Abracon

CONN JACK 1PORT 100 BASE-T PCB

0

ARJM11C7-502-AB-EW2

ARJM11C7-502-AB-EW2

Abracon

CONN JACK 1PORT 1000 BASE-T PCB

10

J0011D01NL

J0011D01NL

PulseLarsen Antenna

CONN JACK 1PORT 100 BASE-TX PCB

395

JXD0-0025NL

JXD0-0025NL

PulseLarsen Antenna

CONN JACK 1PORT 1000 BASE-T PCB

619

ARJ11D-MASG-A-A-GMU2

ARJ11D-MASG-A-A-GMU2

Abracon

CONN JACK 1PORT 100 BASE-T PCB

0

JP011821UNL

JP011821UNL

PulseLarsen Antenna

CONN JACK 1PORT 100 BASE-TX PCB

421

2301996-2

2301996-2

TE Connectivity AMP Connectors

CONN JACK 2PORT 100 BASE-T PCB

2408

7499210124A

7499210124A

Würth Elektronik Midcom

CONN JACK 1PORT 100 BASE-T PCB

248

2250015-1

2250015-1

TRP Connector

CONN JACK 1PORT 1000 BASE-T PCB

1245

74984104401

74984104401

Würth Elektronik Midcom

CONN JACK 1PORT 100 BASE-T PCB

200

ARJC02-111006K

ARJC02-111006K

Abracon

CONN JACK 1PORT 100 BASE-TX PCB

816

JD0-0004NL

JD0-0004NL

PulseLarsen Antenna

CONN JACK 1PORT 100 BASE-TX PCB

0

5-2301996-8

5-2301996-8

TE Connectivity AMP Connectors

CONN JACK 2PORT 1000 BASE-T PCB

1503

ARJ11B-MASBB-LU2

ARJ11B-MASBB-LU2

Abracon

CONN JACK 1PORT 100 BASE-T PCB

0

2250013-4

2250013-4

TRP Connector

CONN JACK 1PORT 1000 BASE-T PCB

0

74980101200

74980101200

Würth Elektronik Midcom

CONN JACK 1PORT 100 BASE-T PCB

0

JT7-1104NL

JT7-1104NL

PulseLarsen Antenna

CONN JACK 1PORT 10G BASE-T PCB

227

V8BR-1AX1-GH

V8BR-1AX1-GH

Bel Fuse, Inc.

CONN MAGJACK VERT 1GBT LED POE

76

J0026D21NL

J0026D21NL

PulseLarsen Antenna

CONN JACK 1PORT 100 BASE-TX PCB

129

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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