G4801DG

Overview

The Mentech G4801DG is a dual LAN pulse transformer designed for Gigabit Ethernet applications. It supports 10/100/1000 BASE-T standards and features a through-hole mounting configuration with a 1CT:1CT center-tap arrangement. The component exhibits an inductance of 350µH, ensuring reliable signal integrity for high-speed data transmission. Packaged in the X-FMR48_28X12MM_TM form factor, it weighs 5.10g and is manufactured in China. This magnetic component serves as a critical interface element in network hardware, facilitating electrical isolation and impedance matching between PHY chips and RJ45 connectors.

Feature Summary

• Supports 10/100/1000 BASE-T Ethernet standards
• Provides galvanic isolation via dual LAN transformer design
• Utilizes through-hole mounting for robust mechanical stability

Applications

• Gigabit Ethernet network interfaces
• Computer motherboards with integrated LAN ports
• Network switches and routers
• Fiber optic transceivers requiring electrical isolation

Procurement Notes

Verify the specific datasheet version (e.g., A0) and customer part number alignment when sourcing. Confirm that the required package matches the X-FMR48_28X12MM_TM specification to ensure proper PCB footprint compatibility. Cross-reference the manufacturer designation Mentech Technology USA Inc. with Dongguan Mentech Optical & Magnetic Co., Ltd. to confirm supply chain authenticity and origin details.

Selection Notes

Select this component for designs requiring 10/100/1000 BASE-T compliance with through-hole assembly constraints. The 350µH inductance value is suitable for standard Gigabit Ethernet signaling requirements. Ensure the PCB layout accommodates the 28x12mm package dimensions and allows sufficient clearance for the center-tapped 1CT:1CT winding configuration during manufacturing.

Part Context

This pulse transformer belongs to the category of communication magnetic components produced by Mentech, a high-tech enterprise specializing in R&D and manufacturing of optical and magnetic devices. The company supplies components for access networks, backbone networks, and consumer electronics, maintaining partnerships with major global telecommunications equipment manufacturers.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify pinout compatibility and inductance specifications if considering alternative vendors.