LINK-PP INT'L TECHNOLOGY CO., LIMITED
| Turns Ratio | 1CT:1CT |
| Payment Terms | TT,NET30/60/90 Days |
| Supply Ability | 5KK/Month |
| Delivery Time | Stock |
| Packaging Details | T&R |
| Specifications | IEEE 802.3bt |
| Application | 10/100/1000 Base-T PoE |
| No. of Ports | 1 Port |
| Operating Temperature | -40°C To +105°C |
| Series | WE-LAN Series Transformer |
| Inductance | 350µH |
| Transformer Mounting | Surface Mount |
| Hipot test | 1500Vrms |
| Isolation Voltage | 1.5kV |
| Brand Name | LINK-PP |
| Model Number | 7490220122 |
| Certification | UL,RoHS,Reach,ISO |
| Place of Origin | Guangdong,China |
View Detail Information
Explore similar products
H6400NL H6400NLT Quad Port 1000BASE-T Discrete Magnetic Transformers
AutomDX 1000BASE-T POE Transformer HST-24001SXCR HST-24020SXR HST-24030SXR HST
H2008NL / H2008NLT POE Transformer Audio & Signal 100Base-TX SMD PoE 2-Port
HX1332CNLT Power Over Ethernet Transformer for Medical Safety
Product Specification
| Turns Ratio | 1CT:1CT | Payment Terms | TT,NET30/60/90 Days |
| Supply Ability | 5KK/Month | Delivery Time | Stock |
| Packaging Details | T&R | Specifications | IEEE 802.3bt |
| Application | 10/100/1000 Base-T PoE | No. of Ports | 1 Port |
| Operating Temperature | -40°C To +105°C | Series | WE-LAN Series Transformer |
| Inductance | 350µH | Transformer Mounting | Surface Mount |
| Hipot test | 1500Vrms | Isolation Voltage | 1.5kV |
| Brand Name | LINK-PP | Model Number | 7490220122 |
| Certification | UL,RoHS,Reach,ISO | Place of Origin | Guangdong,China |
| High Light | 7490220122 ，7490220122 Ethernet Transformer ，1000Base -T WE Transformers | ||
The 7490220122 WE-LAN is a rugged, surface-mount LAN transformer engineered for 10/100/1000BASE-T PHY interfaces with support for IEEE 802.3bt 4-pair PoE (4PPoE / PoE+). Designed for industrial and commercial networking equipment, it combines high isolation (1500 Vrms), robust common-mode rejection and industry-grade temperature tolerance (-40 °C to +105 °C), making it ideal for switches, routers, PoE injectors, and embedded Ethernet modules.
1. Operating Temperature: The transformer has an incredible operating temperature range of -40°C to +105°C. It performs reliably in extreme hot and cold conditions.
2 Hipot Test: Flexibility and quality comply with industry-standard 1500Vrms.
3. Compliance: The Ethernet Transformer is fully compliant with IEEE 802.3bt for 4PPoE. It ensures compatibility with the latest industry standards.
| Item | Description |
|---|---|
| Mounting Type | Surface Mount (SMT) |
| Package Size | 17.55 mm × 14.70 mm |
| Max Height (Seated) | 8.80 mm (0.346") |
| Operating Temperature | -40 °C to +105 °C |
| Storage Conditions | < 40 °C, < 75% RH (original packaging) |
| Moisture Sensitivity Level | MSL 1 |
| Packaging | Tape & Reel |
This PoE LAN transformer is suitable for PoE switches, injectors, and powered devices (PDs) where stable power delivery and signal integrity are critical.
(Test conditions: +20 °C, 33% RH unless otherwise specified)
| Parameter | Test Conditions | Value | Unit | Notes |
|---|---|---|---|---|
| Data Rate | — | 10/100/1000BASE-T | — | IEEE compliant |
| Turns Ratio | — | 1:1 | ±2% | Primary : Secondary |
| Inductance (OCL) | 100 kHz, 100 mV @ 24 mA | 350 | µH | min. |
| Insertion Loss | 1–100 MHz | ≤ -1.0 | dB | max. |
| Return Loss | 1–30 MHz | ≥ -18 | dB | min. |
| Return Loss | 30–60 MHz | ≥ -14 | dB | min. |
| Return Loss | 60–80 MHz | ≥ -12 | dB | min. |
| Return Loss | 80–100 MHz | ≥ -10 | dB | min. |
| Crosstalk | 1–60 MHz | ≤ -35 | dB | min. |
| Crosstalk | 60–100 MHz | ≤ -30 | dB | min. |
| Differential to CMR | 1–30 MHz | ≤ -40 | dB | min. |
| Differential to CMR | 30–60 MHz | ≤ -35 | dB | min. |
| Differential to CMR | 60–100 MHz | ≤ -30 | dB | min. |
| Isolation Voltage | 1 min | 1500 | Vrms | min. |
1. Compatible with mainstream Gigabit PHY chipsets (Broadcom, Marvell, Realtek, Microchip, TI, etc.)
2. Optimized for SMT Ethernet magnetics designs using discrete transformers
3. Recommended to follow standard Ethernet PCB layout guidelines for:
The 7490220122 WE-LAN 1000BASE-T SMT Transformer is a robust and proven solution for Gigabit Ethernet and PoE+ applications.
With its high isolation voltage, excellent EMI performance, PoE current capability, and industrial temperature rating, it is an ideal choice for engineers and sourcing professionals looking for a reliable LAN magnetics component in demanding networking environments.
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
1997
Total Annual:
$30-$50 million
Employee Number:
300~600
Ecer Certification：
Verified Supplier
LINK-PP International Technology Co., Limited, founded in 1997, is a vertically integrated manufacturer specializing in Ethernet magnetic components and high-speed connectivity solutions up to 10G. With over 26 years of experience, our core products include RJ45 modular jacks, MagJacks, discrete m... LINK-PP International Technology Co., Limited, founded in 1997, is a vertically integrated manufacturer specializing in Ethernet magnetic components and high-speed connectivity solutions up to 10G. With over 26 years of experience, our core products include RJ45 modular jacks, MagJacks, discrete m...
Get in touch with us
Leave a Message, we will call you back quickly!