H5077NLT

Overview

The H5077NLT is a surface-mount isolation and data interface pulse transformer manufactured by Pulse Electronics. Designed for single-port Gigabit Ethernet applications, it supports the 1000Base-T standard with a 1:1 turns ratio. The component operates within a frequency range of 1 MHz to 100 MHz and provides an insulation voltage of 1.5 kV. It features an inductance of 350 uH and is housed in an unshielded package measuring 13.97 mm in length, 12.57 mm in width, and up to 4.82 mm in height. The device functions reliably at temperatures between 0°C and 70°C.

Feature Summary

• Provides galvanic isolation for single-port Gigabit Ethernet data interfaces
• Supports 1000Base-T signaling standards with high insulation voltage
• Optimized for surface-mount assembly on printed circuit boards
• Operates within specified industrial temperature ranges

Applications

• Gigabit Ethernet network ports
• 1000Base-T transceiver modules
• Network interface cards (NICs)
• Ethernet switch port circuits

Procurement Notes

Verify that the specific part number matches the required RoHS compliance status and moisture sensitivity level before procurement. Confirm that the packaging format aligns with automated assembly requirements. Ensure that the supplier provides valid traceability documentation. Check for any recent product change notices that may affect specifications or manufacturing locations. Validate compatibility with existing design files and CAD models.

Selection Notes

Select this component when designing single-port Gigabit Ethernet interfaces requiring robust signal isolation. Consider the physical dimensions and surface-mount footprint constraints during layout. Evaluate the operating temperature range against the intended application environment. Assess the insulation voltage requirements to ensure safety compliance. Verify that the frequency response meets the signal integrity needs of the 1000Base-T standard.

Part Context

This component belongs to the family of isolation transformers designed for high-speed data communication. It serves as a critical interface element between the PHY chip and the external network medium. The design focuses on maintaining signal fidelity while providing necessary electrical isolation. It is commonly used in consumer electronics, networking equipment, and industrial control systems requiring reliable Ethernet connectivity.

Replacement Considerations

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