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MIC24121-5308W-LF3 Integrated RJ45 Connector Surface Mount

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MIC24121-5308W-LF3 Integrated RJ45 Connector Surface Mount

Name: MIC241215308WLF3 Integrated RJ45 Connector Surface Mount
Brand: LINK-PP
Price: 1.0 USD

Brand Name : LINK-PP

Model Number : MIC24121-5308W-LF3

Certification : ISO9001,SGS,UL,CE,REACH

Place of Origin : GuangDong, China

MOQ : 200 PCS

Price : $1.0

Payment Terms : TT,NET30/60/90 Days

Supply Ability : 3000000/Month

Delivery Time : In Stock Ship Within 3 Days

Packaging Details : 60 pcs in 1 tray,22 tray in 1 carton, which is 37*30*30 cm, 10 KGS (1320 pcs) of each carton

Part Number : MIC24121-5308W-LF3

Mass Production : LPJ19911ADNL

Original Munafactuer : LINK-PP

Application : 10/100BASE-T Ethernet

Termination : Solder

Mounting Style : SMT / Surface Mount

Port Configuration : 1×1 RJ45 Port

Isolation : 2250 VDC

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MIC24121-5308W-LF3 is a 10/100BASE-T SMT RJ45 connector with integrated magnetics, 2250V isolation, 350µH OCL, –40 to +85°C.

Key Features of MIC24121-5308W-LF3 SMT Magjack

SMT RJ45 Connector with integrated magnetics
Supports 10/100BASE-T Fast Ethernet
Single-port (1×1) RJ45 configuration
1:1 turns ratio (±2%) for PHY compatibility
High open circuit inductance: 350 µH min.
High isolation voltage: 2250 VDC
Excellent return loss, crosstalk, and common-mode rejection
Surface-mount, reflow soldering compatible
Wide operating temperature: –40 °C to +85 °C

Electrical Specifications (@ 25 °C unless otherwise noted)

Parameter	Specification
Application	Designed for 10/100BASE-T Ethernet
Inductance (OCL)	350 µH min. @ 100 kHz, 100 mV, 8 mA DC bias (J1–J2; J3–J6, Lp)
Dielectric Withstand Voltage	2250 VDC, 1 minute (between P1–J1, P1 tied to P4)
Turns Ratio / Polarity (RX)	(P1–P3) : (J1–J2) = 1 : 1 ±2%
Turns Ratio / Polarity (TX)	(P4–P6) : (J3–J6) = 1 : 1 ±2%
Insertion Loss	≤ –1.0 dB (1 MHz – 100 MHz)
Return Loss	≥ –18 dB (1 – 30 MHz)
	≥ –16 dB (30 – 45 MHz)
	≥ –14 dB (45 – 60 MHz)
	≥ –12 dB (60 – 80 MHz)
Crosstalk	≤ –35 dB (1 MHz – 100 MHz)
Common Mode Rejection (CMR)	≤ –35 dB (1 MHz – 100 MHz)
Operating Temperature Range	–40 °C to +85 °C

Fast Ethernet SMT RJ45 MIC24121-5308W-LF3 Drawing:

Compliance & Reliability of 10/100BASE-T SMT RJ45

Designed in accordance with IEEE 802.3 Fast Ethernet requirements
Suitable for lead-free SMT assembly processes
Industrial-grade temperature performance
Proven solution used in Ethernet magnetic modules and magjack designs

Design Notes for SMT RJ45 Connector Applications

MIC24121-5308W-LF3 integrates Ethernet magnetics directly inside the RJ45 connector housing, allowing designers to eliminate discrete transformer components.

This improves signal integrity, reduces EMI, and simplifies PCB routing in high-density layouts.
The high isolation voltage and strong common-mode rejection make it suitable for industrial Ethernet environments.

Typical Applications

SMT RJ45 connectors for Ethernet ports
Fast Ethernet LAN interfaces (10/100 Mbps)
Embedded systems and industrial controllers
Network switches, routers, gateways
IoT devices and communication equipment
Consumer and industrial Ethernet products

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