H4807CG

Overview

The H4807CG is a quad LAN pulse transformer manufactured by Mentech Technology USA Inc., designed for surface-mount integration. It supports 10/100 Base-T Ethernet applications and includes Power over Ethernet (PoE) capability. The component features a 1CT:1CT turns ratio, a typical inductance of 350µH, and a high isolation voltage of 1.5kV. It operates within a temperature range of 0°C to +70°C. The physical dimensions are 28.30mm x 12.90mm, housed in a 48-pin SMD package.

Feature Summary

• Supports 10/100 Base-T Ethernet data transmission with integrated PoE functionality
• High isolation voltage rating of 1.5kV for signal integrity
• Surface-mount design optimized for PCB assembly efficiency

Applications

• Ethernet network interface cards
• LAN port modules for industrial equipment
• Network switches and routers

Procurement Notes

Verify the specific datasheet version A0 issued on 2020/04/27 from Dongguan Mentech Optical & Magnetic to confirm exact electrical tolerances and pin configurations. Ensure compatibility with RoHS3 compliance standards required for your manufacturing process. Cross-reference the 48-pin SMD footprint dimensions against your PCB layout to prevent mechanical interference during assembly.

Selection Notes

Select this component when designing systems requiring robust isolation for 10/100 Base-T networks with PoE support. The 350µH inductance ensures proper signal coupling for standard Ethernet speeds. Consider the 0°C to +70°C operating range to ensure reliability in standard commercial environments. The surface-mount format facilitates automated placement in high-volume production lines.

Part Context

This part belongs to the LAN pulse transformer series from Mentech Technology, specifically engineered for copper-based Ethernet connectivity. It serves as a critical interface between the MAC layer and the physical medium, providing galvanic isolation and impedance matching. The quad configuration allows for simultaneous handling of multiple differential pairs within a single compact package.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify pin-to-pin compatibility and electrical specifications before considering alternative components from other manufacturers.