MIC24120-5101W-LF3 / MIC24121-5101W-LF3

Low Profile SMT RJ45 Connector with Integrated Magnetics

Quick Overview

The MIC24120-5101W-LF3 and MIC24121-5101W-LF3 are low-profile, surface-mount RJ45 connectors with integrated magnetics, designed for 10/100BASE-T Ethernet applications. By integrating the transformer, impedance resistor, and high-voltage capacitor into a compact RJ45 footprint, these models significantly reduce EMI radiation, save PCB space, and enhance design efficiency.

Designing Models: MIC24120-5101W-LF3 / MIC24121-5101W-LF3

Mass Production Model: LPJXXXXXNL

LED and EMI-finger options are available, making them highly adaptable for different customer requirements.

Key Features

• Standards Compliance
  • Meets FCC requirements and IEEE802.3u standards
  • RoHS compliant & lead-free
• Performance Advantages
  • Integrated transformer, resistors, and capacitors for compact PCB design
  • Optimized for 10/100 BASE-T Ethernet transmission over Cat5 UTP cable
  • Reduced EMI radiation to improve overall EMC performance
• Mechanical & Electrical Design
  • Available in side-entry (right angle) or top-entry (vertical) mounting
  • Shielded housing for superior EMI protection
  • Optional LED indicators (Green 250Ω)
  • Operating temperature range: 0℃ to +70℃ / -40℃ to +85℃
  • Storage temperature range: -25℃ to +85℃
  • Hi-Pot withstand: 1500Vrms MIN
• Flexibility
  • Latch orientation: standard latch-down
  • Available with or without EMI fingers
  • Supports both through-hole and surface mount termination

Applications

The MIC24120-5101W-LF3 / MIC24121-5101W-LF3 are designed to support a wide range of networking and communication devices:

• ADSL Modems
• LAN-on-Motherboard Solutions
• Ethernet Switches & Routers
• PC Mainboards
• IP Phones / VOIP Gateways
• SDH / PDH Transmission Equipment
• Call Center Solutions
• Set-Top Boxes (STB)
• Enterprise Networking Equipment

Competitive Advantages

• 18+ years of production expertise
• Over 2600 skilled staff
• 100% electrical testing (not just batch testing)
• Flexible delivery lead times
• Trusted by major global customers: TI, Intel, Samsung, Fluke, Jabil, Flextronics, Cypress, Freescale, EKF, and more

Related EMS Application Capabilities

• Built-in Flexible PCB & Rigid-Flex PCB Assembly
• Microelectronic & Flip Chip Packaging
• Chip-On-Board & Optoelectronic Assembly
• RF/Wireless Assembly & System Assembly
• Through Hole & Surface Mount Assembly

LINK-PP is a professional designer and Manufacturer of magnetic telecom and networking components. Founded in Shenzhen in 1997 and began to develop Discrete Transformer. With over 26 years of experience in innovation and technology leadership. Our main products include RJ45 Connectors, LAN Transformers, and SFP Modules. We focus on improving product reliability and durability.

Main Production Lines

◆ 10/100/1000/10GBase-T LAN Isolation Transformer and Filter

◆ Rj45 Modular Jack With Integrated 10/100/1000/10G Magnetics
◆ Magnetic Rj45 Jack with POE/ POE+; IEEE823.3af/ IEEE802.3at
◆ LAN Transformer With POE/ POE+; IEEE823.3af/ IEEE802.3at
◆ T1/E1,T3/DS3/E3/STS-1 Interface LAN transformer
◆ ISDN,HDSL,ADSL and VDSL Transformer and splitter

◆ Optical Transceivers