Modular Connectors - Jacks With Magnetics

Image Part Number Description / PDF Quantity Rfq
L836-1J1T-43

L836-1J1T-43

Bel Fuse, Inc.

CONN JACK 1PORT 1000 BASE-T PCB

0

ARJ11C-MCSAT-A-B-5MU2

ARJ11C-MCSAT-A-B-5MU2

Abracon

CONN JACK 1PORT 1000 BASE-T PCB

0

08B0-1X1T-03-F

08B0-1X1T-03-F

Bel Fuse, Inc.

CONN JACK 1PORT 100 BASE-T PCB

0

ARJ11E-MCSB-A-B-FM2

ARJ11E-MCSB-A-B-FM2

Abracon

CONN JACK 1PORT 1000 BASE-TX PCB

0

JXD2-0010NL

JXD2-0010NL

PulseLarsen Antenna

CONN JACK 1PORT 100 BASE-TX PCB

1614

ARJ11C-MBSAU-A-B-4MU2

ARJ11C-MBSAU-A-B-4MU2

Abracon

CONN JACK 1PORT 1000 BASE-T PCB

0

7499010003A

7499010003A

Würth Elektronik Midcom

CONN JACK 1PORT 100 BASE-T PCB

859

RJMG2012211A0FR

RJMG2012211A0FR

Storage & Server IO (Amphenol ICC)

CONN JACK 1PORT 1000 BASE-T PCB

1079

ARJ14A-MBSD-A-B-EMU2

ARJ14A-MBSD-A-B-EMU2

Abracon

CONN JACK 4PORT 100 BASE-T PCB

0

ARJM11A1-809-AB-ER2-T

ARJM11A1-809-AB-ER2-T

Abracon

CONN JACK 1PORT 2.5G BASE-T PCB

0

L834-1G1T-91

L834-1G1T-91

Bel Fuse, Inc.

CONN JACK 1PORT 100 BASE-T PCB

384

JK0-0161NL

JK0-0161NL

PulseLarsen Antenna

CONN JACK 1PORT 1000 BASE-TX PCB

0

0826-1A1T-23-F

0826-1A1T-23-F

Bel Fuse, Inc.

CONN JACK 1PORT 1000 BASE-T PCB

0

JXD1-0008NL

JXD1-0008NL

PulseLarsen Antenna

CONN JACK 1PORT 100 BASE-TX PCB

159

5-2301996-3

5-2301996-3

TE Connectivity AMP Connectors

CONN JACK 2PORT 100 BASE-T PCB

1933

ARJ11B-MASAB-MU2

ARJ11B-MASAB-MU2

Abracon

CONN JACK 1PORT 100 BASE-T PCB

0

J3011G21WNL

J3011G21WNL

PulseLarsen Antenna

CONN JACK 1PORT 100 BASE-TX SMD

0

2337994-3

2337994-3

TE Connectivity AMP Connectors

CONN JACK 2PORT 100 BASE-T PCB

175

JK0-0187NL

JK0-0187NL

PulseLarsen Antenna

CONN JACK 1PORT 1000 BASE-T PCB

197

ARJ21A-MCSA-LU2

ARJ21A-MCSA-LU2

Abracon

CONN JACK 2PORT 1000 BASE-TX 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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