The LINK-PP LP41223NL PoE+ Magnetics Transformer is designed for 10/100Base-T Ethernet networks, providing reliable data transmission and efficient Power over Ethernet (PoE) functionality.
Engineered with advanced magnetic design, it ensures excellent electrical isolation, low insertion loss, and strong EMI suppression, making it ideal for PoE switches, IP cameras, VoIP phones, and industrial controllers.
● PoE+ LAN Transformer Overview
The LP41223NL is a single-port 10/100 Base-T PoE+ magnetic transformer module designed by LINK-PP. It provides superior signal integrity, electrical isolation, and EMI suppression for Ethernet applications supporting Power over Ethernet (PoE / PoE+).
With a compact SMT footprint and 1CT:1CT balanced winding structure, it is ideal for networking devices that require efficient power and data transmission over a single cable.
Key Features
Supports IEEE 802.3 10/100 Base-T & PoE+ standards
1CT:1CT transmit and receive transformers for balanced differential signal performance
Auto-MDX compatible, simplifying Ethernet port design
Compact SMT package for high-density PCB layout
Excellent EMI suppression and common-mode rejection
Operating temperature: 0 °C ~ +70 °C
RoHS-compliant and environmentally friendly
Electrical & Mechanical Specifications
Parameter | Specification |
|---|---|
Model | |
Port Configuration | Single Port |
Data Rate | 10/100 Mbps |
Turns Ratio (TX/RX) | 1CT : 1CT |
Package Type | 12-pin SMT |
Dimensions | 17.15 mm (L) × 16.26 mm (W) × 8.64 mm (H) |
Operating Temperature | 0 °C ~ +70 °C |
Cores per Port | 4 |
Compliance | IEEE 802.3, RoHS |
Packing | Tape & Reel (SPQ: 600 pcs / Carton) |
● Key Functions of PoE Ethernet Transformers
1. Electrical Isolation
LP41223NL provides robust electrical isolation between power and data circuits, ensuring safe operation and preventing signal interference.
Isolation Voltage: 1.5kVAC for 1 minute (IEC 60950 compliant)
Protects connected devices from voltage spikes and surges
Parameter | Value |
|---|---|
Isolation Voltage | 1.5 kVAC / 1 min |
2. Power Delivery
The transformer supports efficient PoE+ (IEEE 802.3at) power transfer for medium-power devices.
PoE Standard | Maximum PSE Output | Available Power at PD |
|---|---|---|
802.3af (PoE) | Up to 15.4 W | ~12.95 W |
802.3at (PoE+) | Up to 30 W | ~25.5 W |
802.3bt (Type 3) | Up to 60 W | ~51 W |
802.3bt (Type 4) | Up to 90–100 W | ~71 W |
This ensures stable operation for devices such as IP cameras, wireless APs, and VoIP terminals.
3. Signal Integrity
For 10/100Base-T Ethernet, LP41223NL uses precise impedance matching and common-mode noise suppression to maintain clear, error-free data transmission.
1:1 transformer ratio for balanced signal paths
Low insertion loss and minimal crosstalk
Optimized for 100 Mbps data performance
4. EMI Suppression
Effective EMI filtering ensures consistent performance in electrically noisy environments.
Common-mode chokes filter out unwanted noise
Meets Class B EMI emission limits
Compliant with IEEE 802.3, UL, and RoHS standards
Tip: Using a transformer with superior EMI suppression like LP41223NL guarantees stable PoE performance and clean video signals in surveillance systems.
● Applications
PoE / PoE+ Powered Devices (PD) such as IP cameras, VoIP phones, and wireless access points
Ethernet Switches and Injectors supporting 10/100 Mbps ports
Industrial Automation and IoT Equipment requiring reliable network isolation
Embedded Networking Modules and communication boards
● Why Choose LINK-PP
LINK-PP is a global leader in Ethernet Magnetics, PoE Transformers, and RJ45 Connectors, supplying OEM solutions to major networking and industrial brands.
With proven reliability and strong R&D capability, LINK-PP ensures consistent quality and competitive cost for high-volume production.
Advantages:
Over 20 years of Ethernet magnetics expertise
Trusted supplier to global OEMs
Competitive pricing and fast delivery
● Conclusion
The LINK-PP LP41223NL PoE+ 10/100Base-T LAN Transformer combines efficient power delivery, strong isolation, and low EMI in a compact form factor.
It’s the ideal choice for engineers and manufacturers building reliable PoE-enabled Ethernet equipment.
Download
📄 LP41223NL Datasheet (PDF)
🔗 Product Page
Looking for a reliable PoE+ magnetic transformer for your Ethernet design?
Choose the LINK-PP LP41223NL for stable data transmission, efficient power delivery, and proven compatibility.
● FAQ
Q1: What type of Ethernet is LP41223NL used for?
→ It’s designed for 10/100Base-T (Fast Ethernet) networks.
Q2: Does it support PoE+ (IEEE 802.3at)?
→ Yes, it delivers up to 30 W from PSE and 25.5 W to the powered device.
Q3: Is it suitable for outdoor or industrial PoE systems?
→ Yes, it offers 1.5 kVAC isolation and strong EMI performance for industrial and security applications.
● See Also
Essential Information Regarding Power Over Ethernet Technology
Understanding Electromagnetic Compatibility and Its Importance
Exploring RJ45 With Magnetics: Integrated Connector Module Insights
Introducing LINK-PP LPJK0071AINL 100/1000Base-T RJ45 Magjack
