HB4018HLT

Pulse Transformers Overview

The HB4018HLT is a dual-port Ethernet LAN transformer from Pulse Electronics, designed for 2.5G Base-T applications. It features a 1:1 turns ratio and an inductance of 180 µH. The component provides 1.5 kV isolation voltage between ports. It utilizes a surface-mount package with tape-and-reel delivery. This transformer supports high-speed data transmission standards required for modern network interfaces.

Pulse Transformers Feature Summary

• Supports 2.5G Base-T Ethernet data rates
• Provides 1.5 kV isolation capability
• Features dual-port configuration with 1:1 ratio

Pulse Transformers Applications

• 2.5 Gigabit Ethernet network interfaces
• Industrial communication systems requiring high isolation
• Consumer electronics with advanced networking capabilities

Pulse Transformers Procurement Notes

Verify the specific ordering suffix against the manufacturer's current datasheet to ensure correct packaging and pinout compatibility. Confirm that the selected variant meets the required isolation and inductance specifications for the target circuit design. Cross-reference the RoHS compliance status with the latest regulatory documentation provided by Pulse Electronics prior to finalizing procurement orders.

Pulse Transformers Selection Notes

Select this component when designing circuits requiring 2.5G Base-T connectivity with integrated magnetics. Ensure the PCB layout accommodates the surface-mount footprint and thermal requirements. Verify that the 1.5 kV isolation rating aligns with the system's safety and noise immunity requirements. Consider the dual-port topology for space-constrained designs needing two isolated Ethernet channels.

Pulse Transformers Part Context

This part belongs to Pulse Electronics' LAN transformer portfolio, which focuses on signal integrity and isolation for Ethernet applications. The HB4018HLT specifically addresses the needs of 2.5G networks, offering a compact solution compared to discrete magnetics. It integrates common mode chokes and coupling transformers into a single SMD package to simplify board assembly.

Pulse Transformers Replacement Considerations

Consult official substitution lists from Pulse Electronics for direct replacements. Generic equivalents may not match the 180 µH inductance or 1.5 kV isolation specs. Verify pin-to-pin compatibility and electrical performance before swapping components in existing designs.