10/100 Base-T イーサネット向けLP41223NL PoE+ マグネティクストランスフォーマー

この LINK-PP LP41223NL PoE+ Magnetics Transformer is designed for 10/100Base-T Ethernet networks, providing reliable data transmission and efficient パワーオーバーイーサネット（PoE） (PoE) functionality.
Engineered with advanced magnetic design, it ensures excellent electrical isolation, 低挿入損失, および strong EMI suppression, making it ideal for PoE switches, IP cameras, VoIP phones, and industrial controllers.

● PoE+ LAN Transformer Overview

この LP41223NL は、 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.

主要特徴

• 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

• 動作温度： 0 °C ~ +70 °C

• RoHS指令準拠、 and environmentally friendly

Electrical & Mechanical Specifications

パラメータ	LINK-PP LPJE101NNL
型番	LP41223NL
ポート構成	Single Port
磁気部品	10/100 Mbps
Turns Ratio (TX/RX)	1CT : 1CT
パッケージ形式	12-pin SMT
マウント	17.15 mm (L) × 16.26 mm (W) × 8.64 mm (H)
動作温度範囲	0 °C ~ +70 °C
Cores per Port	4
コンプライアンス	IEEE 802.3, RoHS
Packing	Tape & Reel (SPQ: 600 pcs / Carton)

● Key Functions of PoE Ethernet Transformers

1. Electrical Isolation

LP41223NL provides robust 電気的絶縁 between power and data circuits, ensuring safe operation and preventing signal interference.

• 絶縁耐圧： 1.5kVAC for 1 minute (IEC 60950 compliant)

• Protects connected devices from voltage spikes and surges

パラメータ	値
絶縁電圧	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.

PoE規格	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 VoIP電話, wireless APs, and VoIP terminals.

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3. Signal Integrity

詳細については、 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. EMI抑制

効果的 EMI filtering ensures consistent performance in electrically noisy environments.

• Common-mode chokes filter out unwanted noise

• Meets Class B EMI emission limits

• 安全性および互換性のため、 SFPモジュールを検出, 高温・高周波環境における, および RoHS
  規格

ヒント: 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 イーサネット・マグネティクス, PoE Transformers, and RJ45 コネクタ, 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.

利点：

• Over 20 years of Ethernet magnetics expertise

• Trusted supplier to global OEMs

• Competitive pricing and fast delivery

● 結論

この LINK-PP LP41223NL PoE+ 10/100Base-T LAN Transformer 複数のパッケージング技術を組み合わせ、多様な市場ニーズに対応しています。同社の efficient power delivery, strong isolation, および 低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)
🔗 製品ページ

● FAQ

Q1： What type of Ethernet is LP41223NL used for?
→ It’s designed for 10/100Base-T (Fast Ethernet) ネットワークです。.

Q2： Does it support PoE+ (IEEE 802.3at)?
→ Yes, it delivers up to 5 W from PSE and IEEE 802.3bt Type 3 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.

● 関連情報

Power over Ethernet（PoE）技術に関する重要情報

Understanding Electromagnetic Compatibility and Its Importance

Exploring RJ45 With Magnetics: Integrated Connector Module Insights

Introducing LINK-PP LPJK0071AINL 100/1000Base-T RJ45 Magjack