100B-1003FNL

Overview

The iNRCORE 100B-1003FNL is a single-channel LAN pulse transformer designed for 10/100 Base-T applications. It features a surface-mount termination style and an inductance of 350 µH. The component operates within a frequency range of 100 kHz to 100 MHz and supports a current rating of 8 mA. Physical dimensions are 12.7 mm in length, 9.4 mm in width, and 5.97 mm in height. It functions reliably across a temperature range of -55°C to +125°C.

Feature Summary

• Designed for signal integrity in 10/100 Base-T Ethernet networks
• Surface-mount construction for automated assembly integration
• Wide operational temperature capability for industrial environments

Applications

• Ethernet network interface circuits
• LAN port isolation modules
• Industrial automation communication systems

Procurement Notes

Verify the specific suffix 'FNL' against official iNRCORE documentation to confirm packaging and RoHS status. Ensure compatibility with existing PCB footprints and reflow profiles. Cross-reference datasheet revisions to validate electrical parameters before finalizing procurement orders.

Selection Notes

Select this component for designs requiring 10/100 Base-T isolation with high thermal tolerance. The 350 µH inductance suits standard Ethernet signaling requirements. Verify that the SMD package dimensions fit the available board space and that the operating temperature range meets environmental specifications.

Part Context

This part belongs to the 100B series of LAN transformers from iNRCORE. It serves as a critical isolation component in Ethernet PHY interfaces. The series is engineered for compact form factors while maintaining signal fidelity in high-speed digital communication links.

Replacement Considerations

Publicly confirmed substitute part numbers for this specific model were not identified in the provided source material.