H7028FNL

Overview

The H7028FNL is a LAN 10G Base-T pulse transformer manufactured by Pulse Electronics, designed for surface mount (SMD) applications. It features an inductance of 120 µH and a 1:1 turns ratio, supporting frequencies from 1 MHz to 500 MHz with an isolation voltage of 1.5 kV. The component measures 13.7 mm x 15.0 mm x 6.35 mm and operates within a temperature range of 0°C to 70°C. It is qualified for peak reflow temperatures up to 245°C and complies with IEEE 802.3 standards.

Feature Summary

• Designed to support 10GBase-T transceivers compliant with IEEE 802.3 standards
• Qualified with top 10Gig PHY manufacturers for reliable performance
• Low profile package suitable for PCI Express applications
• Surface mount termination style for automated assembly

Applications

• 10GBase-T transceiver modules
• PCI Express interfaces
• Industrial networking equipment

Procurement Notes

Verify the specific suffix against official datasheets to confirm exact pinout and mechanical dimensions. Ensure compatibility with target PHY vendors as magnetics are often fine-tuned for specific implementations. Confirm RoHS compliance and peak reflow temperature ratings during procurement validation.

Selection Notes

Select this component for high-speed Ethernet designs requiring 10GBase-T support. Consider the low profile package for space-constrained PCB layouts. Verify that the 120 µH inductance and 1.5 kV isolation meet system requirements. Check vendor qualification status for integration with specific PHY chips.

Part Context

This part belongs to Pulse Electronics' LAN 10G Base-T magnetics module series. These components are engineered for high-frequency signal integrity in gigabit and ten-gigabit Ethernet applications. The series supports various industrial and commercial networking protocols requiring robust magnetic isolation.

Replacement Considerations

Check H7028NL for potential cross-reference options. Verify electrical parameters and physical dimensions before substitution.