100B-1001FX

Overview

The iNRCORE, LLC 100B-1001FX is a LAN 10/100 Base-T pulse transformer designed for surface mount applications. It features a 1:1 turns ratio between primary and secondary windings. The component measures 0.600 inches in length and 0.470 inches in width (15.25mm x 11.94mm). It is classified under audio transformers and signal transformers categories.

Feature Summary

• Designed specifically for LAN 10/100 Base-T network interfaces
• Surface mount construction for automated PCB assembly
• Provides galvanic isolation with a 1:1 turns ratio

Applications

• Ethernet network interface cards
• LAN port integration on motherboards
• Network switch hardware modules

Procurement Notes

Verify the specific suffix requirements when ordering, as variations such as FXNL may exist. Confirm that the selected variant matches the required RoHS compliance status and moisture sensitivity level for the intended manufacturing process. Ensure the datasheet aligns with the exact part number to avoid functional mismatches.

Selection Notes

Select this component for standard 10/100 Mbps Ethernet physical layer implementations requiring compact surface mount solutions. Consider the physical dimensions of 15.25mm by 11.94mm during layout planning. Verify compatibility with IEEE standards for the target network speed before finalizing the design.

Part Context

This part belongs to the iNRCORE pulse transformer lineup, serving as a critical passive component for data communication interfaces. It facilitates signal coupling while maintaining electrical isolation between the MAC and PHY layers in Ethernet systems.

Replacement Considerations

Direct substitutes include variants like 100B-1001FXNL which share similar form factors. Cross-reference pinouts and electrical characteristics carefully to ensure interchangeability without redesigning the PCB footprint.