100B-4005X

Overview

The iNRCORE, LLC 100B-4005X is a LAN 10/100 Base-T pulse transformer designed for surface mount applications. It features a 1:1 turns ratio and provides isolation and signal coupling for Ethernet network interfaces. The component includes an integrated common mode choke with an inductance of 350µH. This quad configuration supports high-speed data transmission while maintaining electrical safety standards required for local area network connectivity.

Feature Summary

• Provides galvanic isolation between Ethernet PHY and magnetics
• Integrates common mode noise suppression capabilities
• Optimized for 10/100 Mbps data rate transmission

Applications

• Ethernet network interface cards
• Industrial automation control systems
• Consumer networking equipment

Procurement Notes

Verify the specific ordering suffix to ensure compatibility with required mounting styles and tape-and-reel specifications. Confirm that the manufacturer designation matches the intended design-in requirements before finalizing procurement orders to avoid integration issues.

Selection Notes

Select this component when designing circuits requiring integrated isolation and common mode filtering for standard Ethernet speeds. Ensure the PCB footprint accommodates the surface mount package dimensions and thermal requirements specified in the official datasheet for reliable operation.

Part Context

This part belongs to the iNRCORE LAN pulse transformer family, which offers various configurations for different network standards. The 100B series specifically targets 10/100 Base-T applications, providing a compact solution for integrating magnetics directly onto the main circuit board without separate discrete components.

Replacement Considerations

Consult official substitution lists for compatible alternatives such as the 100B-4005XT variant if reel packaging is required. Verify pinout compatibility and electrical parameters before replacing with other manufacturers' offerings.