100B-1003FX

Overview

The iNRCORE 100B-1003FX is a single-port LAN pulse transformer module designed for 10/100 Base-T Ethernet applications. It features an inductance of 350 µH and supports a turns ratio of 1:1. The component utilizes surface mount technology (SMD/SMT) for PCB integration. Key electrical specifications include an insulation voltage of 1500 Vrms. The device operates within a temperature range of -40°C to +85°C. Physical dimensions are approximately 12.95 mm in length, 9.4 mm in width, and 6.22 mm in height.

Feature Summary

• Single-port architecture optimized for 10/100 Base-T Ethernet signal transmission
• Surface mount construction facilitating automated PCB assembly processes
• Integrated magnetic design providing galvanic isolation between network lines

Applications

• Ethernet network interface cards
• Computer motherboards with integrated LAN ports
• Network switches and hubs
• Industrial communication modules

Procurement Notes

Verify the specific suffix configuration against project requirements, as variations such as FXNL or T may exist. Confirm RoHS compliance status directly with the manufacturer documentation prior to ordering. Ensure that the surface mount footprint matches the designated PCB layout. Check for moisture sensitivity levels if reflow soldering profiles require strict environmental controls during manufacturing.

Selection Notes

Select this component when designing systems requiring isolated signal coupling for 10/100 Mbps Ethernet standards. The 350 µH inductance value is critical for maintaining signal integrity at these frequencies. Consider the physical package dimensions to ensure adequate clearance on the target circuit board. Verify that the operating temperature range aligns with the environmental conditions of the final application environment.

Part Context

This part belongs to the iNRCORE audio and signal transformer family, specifically categorized under Ethernet transformers. It serves as a passive magnetic component essential for differential signaling in twisted-pair networks. The product line focuses on compact, high-reliability solutions for consumer and industrial electronics requiring robust network connectivity.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source data.