Bộ biến áp từ tính PoE+ LP41223NL cho 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 Cung cấp điện qua Ethernet (PoE) functionality.
Engineered with advanced magnetic design, it ensures excellent electrical isolation, tổn hao chèn thấp, 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.

Các tính năng nổi bật

• 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

• Nhiệt độ hoạt động: 0 °C ~ +70 °C

• tuân thủ RoHS
  and environmentally friendly

Electrical & Mechanical Specifications

Tham số	Thông số kỹ thuật
Mô hình	LP41223NL
Cấu hình cổng	Single Port
25Gbps	10/100 Mbps
Turns Ratio (TX/RX)	1CT : 1CT
Loại gói	12-pin SMT
Kích thước	17.15 mm (L) × 16.26 mm (W) × 8.64 mm (H)
Nhiệt độ hoạt động	0 °C ~ +70 °C
Cores per Port	4
Tuân thủ	IEEE 802.3, RoHS
Packing	Tape & Reel (SPQ: 600 pcs / Carton)

● Key Functions of PoE Ethernet Transformers

1. Electrical Isolation

LP41223NL provides robust cách ly điện 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

Tham số	Value
Điện áp cách ly	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.

Tiêu chuẩn 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 Camera IP, wireless APs, and VoIP terminals.

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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

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4. Kháng nhiễu điện từ (EMI)

Hiệu quả EMI filtering ensures consistent performance in electrically noisy environments.

• Cuộn kháng chế độ chung filter out unwanted noise

• Meets Class B EMI emission limits

• Compliant with IEEE 802.3, UL, and RoHS tiêu chuẩn

Mẹo:
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 Bộ ghép nối Ethernet từ tính, PoE Transformers, and Đầu nối 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.

Ưu điểm:

• Over 20 years of Ethernet magnetics expertise

• Trusted supplier to global OEMs

• Competitive pricing and fast delivery

● Kết luận

The LINK-PP LP41223NL PoE+ 10/100Base-T LAN Transformer kết hợp efficient power delivery, strong isolation, and nhiễu điện từ thấp (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)
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Trang sản phẩm

● FAQ

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

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.

● Xem thêm

Essential Information Regarding Power Over Ethernet Technology

Understanding Electromagnetic Compatibility and Its Importance

Exploring RJ45 With Magnetics: Integrated Connector Module Insights

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