100B-1003FXNL

Overview

The iNRCORE 100B-1003FXNL is a single-port pulse transformer module designed for 10/100BASE-TX Ethernet applications. It features an inductance of 350 µH and a 1:1 turns ratio, supporting data transmission rates up to 100 MHz. The component operates within a temperature range of -55°C to +125°C and has a current rating of 8 mA. Its physical dimensions are 12.7 mm in length, 9.4 mm in width, and 5.97 mm in height. The device utilizes surface mount technology (SMD/SMT) for PCB integration.

Feature Summary

• Designed specifically for 10/100BASE-TX Ethernet communication standards
• Single-channel configuration with integrated common mode choke functionality
• Surface mount construction optimized for automated assembly processes

Applications

• Ethernet network interface cards (NICs)
• Industrial Ethernet controllers
• Embedded networking modules

Procurement Notes

Verify the specific suffix FXNL against official datasheets to confirm compliance requirements and packaging details. Ensure compatibility with target impedance specifications before integration. Cross-reference manufacturer documentation for moisture sensitivity levels and reflow soldering profiles to prevent component damage during assembly.

Selection Notes

Select this component when designing systems requiring robust isolation for 10/100 Mbps Ethernet links. The wide operating temperature range makes it suitable for industrial environments. Confirm that the 350 µH inductance aligns with the magnetic circuit requirements of the specific PHY transceiver being utilized in the design.

Part Context

This part belongs to the iNRCORE 100B series of pulse transformers. These components are engineered to provide signal integrity and electrical isolation in high-speed digital communication circuits. The series supports various Ethernet standards, offering reliable performance for data transmission applications across diverse electronic devices.

Replacement Considerations

The 100B-1003FNL is a documented variant within the same product family. Verify pinout compatibility and insulation voltage ratings before substitution. Ensure that any alternative component meets the same 10/100BASE-TX performance criteria.