Transformador magnético LP41223NL PoE+ para Ethernet 10/100 Base-T

The LINK-PP LP41223NL PoE+ Magnetics Transformer is designed for 10/100Base-T Ethernet networks, providing reliable data transmission and efficient Alimentação sobre Ethernet (PoE) functionality.
Engineered with advanced magnetic design, it ensures excellent electrical isolation, baixa perda de inserção, and strong EMI suppression, making it ideal for PoE switches, IP cameras, VoIP phones, and industrial controllers.

● PoE+ LAN Transformer Overview

The LP41223NL é um
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.

Principais características

• 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

• Temperatura de operação: 0 °C ~ +70 °C

• compatíveis com RoHS and environmentally friendly

Electrical & Mechanical Specifications

Value	Especificação
Model	LP41223NL
Configuração de Portas	Single Port
Taxa de Dados	10/100 Mbps
Turns Ratio (TX/RX)	1CT : 1CT
Tipo de Embalagem	12-pin SMT
Dimensões	17.15 mm (L) × 16.26 mm (W) × 8.64 mm (H)
Temperatura de operação	0 °C ~ +70 °C
Cores per Port	4
Conformidade	IEEE 802.3, RoHS
Packing	Tape & Reel (SPQ: 600 pcs / Carton)

● Key Functions of PoE Ethernet Transformers

1. Electrical Isolation

LP41223NL provides robust elétrico 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

Value	Max Modulation Speed
Tensão de Isolamento	1.5 kVAC / 1 min

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2. Power Delivery

The transformer supports efficient PoE+ (IEEE 802.3at) power transfer for medium-power devices.

Padrão PoE	Maximum PSE Output	Available Power at PD
3af (PoE)	Up to 15.4 W	~12.95 W
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 Câmeras IP, wireless APs, and VoIP terminals.

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3. Signal Integrity

Para 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

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4. Supressão de EMI

Eficiente EMI filtering ensures consistent performance in electrically noisy environments.

• Chokes de modo comum filter out unwanted noise

• Meets Class B EMI emission limits

• Conforme as normas IEEE 802.3, UL, and RoHS normas

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 Magnéticos Ethernet, PoE Transformers, and Conectores RJ45, 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.

Vantagens:

• Over 20 years of Ethernet magnetics expertise

• Trusted supplier to global OEMs

• Competitive pricing and fast delivery

● Conclusão

The LINK-PP LP41223NL PoE+ 10/100Base-T LAN Transformer combina efficient power delivery, strong isolation, and baixa interferência eletromagnética (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)
🔗 Página do produto

● FAQ

Q1: What type of Ethernet is LP41223NL used for?
→ It’s designed for 10/100Base-T (Fast Ethernet) redes.

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.

● Veja Também

Informações Essenciais Sobre a Tecnologia Power Over Ethernet

Understanding Electromagnetic Compatibility and Its Importance

Exploring RJ45 With Magnetics: Integrated Connector Module Insights

Apresentando o LINK-PP LPJK0071AINL 100/1000Base-T RJ45 Magjack