749020020 WE LAN Transformers 48 Pins Dual Port For Gigabit Networks
Brand Name:LINK-PP
Certification:UL,RoHS,Reach,ISO
Model Number:749020020
Minimum Order Quantity:400/2000/10K/25K
Delivery Time:3-5 days
Payment Terms:TT,NET30/60/90 Days
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Huizhou Guangdong China
Address:
NO54 South Jinhu Road ChenJiang Town Zhongkai DISTRICT Huizhou 516229 CHINA
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Description & Features
The 749020020 WE-LAN is a high-performance dual-port Ethernet isolation transformer module designed specifically for Gigabit networks (10/100/1000Base-T). It provides excellent signal integrity, EMI suppression, and galvanic isolation — making it ideal for networking devices such as switches, routers, media converters, IP cameras, and NICs.
Key features include:
- Dual-Port Design — Two separate Ethernet channels in a single SMT module, reducing board footprint and BOM complexity.
- 1:1 Turns Ratio — Balanced differential transmission for both TX and RX paths.
- High Inductance — ≥350 µH ensures stable signal coupling under bias conditions.
- Low Insertion Loss — ≤1.0 dB over 1–100 MHz, supporting high-speed operation.
- Strong Isolation — 1500 Vrms isolation voltage for safety and noise immunity.
- Wide Temperature Range — Operable from –40 °C to +85 °C for industrial environments.
- Compact SMT Package — Designed for surface-mount PCBs, enabling compact designs.
- Standards Compliance — Designed to meet IEEE 802.3 family requirements for Ethernet.
- Certifications & Reliability — RoHS compliance and UL rating (for isolation) ensure trustworthy integration.
Specifications of Surface Mount LAN Transformer
| Parameter | Value |
|---|---|
| Part Number | 749020020 (sometimes 749020020A) |
| Series | WE-LAN series |
| Application | LAN / Ethernet (10/100/1000Base-T) |
| Ports | Dual (2 ports) |
| Turns Ratio (TX / RX) | 1:1 / 1:1 |
| Inductance (OCL) | ≥ 350 µH (typical, 100 kHz test) |
| Insertion Loss | ≤ 1.0 dB (1 – 100 MHz) |
| Isolation Voltage | 1500 Vrms min |
| Operating Temperature | –40 °C to +85 °C |
| Package / Mounting | SMT / Surface Mount, 48-pin style |
| Dimensions | 27.81 mm × 12.25 mm × 7.7 mm |
| Certifications / Compliance | RoHS, UL (lan transformer spec) |
Description Mechanical & Packaging
- Outline dimensions: 27.81 mm × 12.25 mm × 7.7 mm
- Pin count/layout: 48-pin SMT configuration (surface mount)
- Package drawing/footprint: Provided in datasheet download
- Tape & reel/packaging type: Suitable for high-volume SMT placement
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749020020 WE LAN Transformers 48 Pins Dual Port For Gigabit Networks
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