H1101NLT

Overview

The H1101NLT is a surface-mount LAN transformer module manufactured by Pulse Electronics, designed for 10/100BASE-T applications. It features a single-port configuration with an SMD/SMT termination type. The component operates within a frequency range of 1 MHz to 100 MHz and supports a dual channel count. Key electrical parameters include an inductance of 350 uH and an insulation voltage of 1.5 kV. The physical dimensions are 27.94 mm in length, 10.92 mm in width, and 7.54 mm in height. It functions as an unshielded audio and signal transformer suitable for data interface isolation.

Feature Summary

• Provides galvanic isolation for data interfaces in single-port configurations
• Supports high-frequency signal transmission up to 100 MHz
• Features robust insulation voltage capability for safety compliance

Applications

• 10/100BASE-T network interface circuits
• Data communication equipment requiring signal isolation
• Ethernet port protection modules

Procurement Notes

Verify the specific suffix and package variant against the official datasheet before ordering, as packaging options may vary between cut tape, reel, or other formats. Confirm that the component meets current RoHS3 compliance standards required for your assembly process. Ensure the selected part number matches the exact pinout and mechanical footprint specifications defined in the manufacturer's documentation to avoid integration errors during PCB design and manufacturing.

Selection Notes

Select this component when a single-port solution is required for 10/100 Mbps Ethernet applications. Consider the 350 uH inductance value and 1.5 kV insulation rating to ensure compatibility with system noise immunity and safety requirements. Evaluate the surface-mount form factor against available board space constraints. Verify that the operating temperature range aligns with the environmental conditions of the final product deployment.

Part Context

This component belongs to the Pulse Electronics LAN Transformers category, specifically designed for audio and signal transformation tasks. It serves as a critical passive element in Ethernet connectivity, facilitating reliable data transfer while maintaining electrical isolation between the PHY chip and the external cable. The module integrates magnetic components necessary for common-mode rejection and impedance matching in standard twisted-pair cabling systems.

Replacement Considerations

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