H5187NLT

Overview

The H5187NLT is a single-channel surface-mount signal transformer designed for 1000 Base-T applications. It features an inductance of 350 uH and supports a frequency range from 1 MHz to 100 MHz. The component provides 5 kV isolation voltage and operates within a temperature range of 0°C to +70°C. Physical dimensions are 18.5 mm in length, 15.34 mm in width, and 9.77 mm in height.

Feature Summary

• Provides electrical isolation and signal coupling for Gigabit Ethernet interfaces
• Supports high-frequency data transmission up to 100 MHz
• Features robust 5 kV insulation voltage for safety compliance

Applications

• 1000 Base-T network interface circuits
• Gigabit Ethernet port implementations
• Signal transformation in LAN modules

Procurement Notes

Verify the specific suffix configuration against the manufacturer's current datasheet to ensure compatibility with the intended design requirements. Confirm that the surface-mount package dimensions align with the PCB footprint specifications. Check for any recent product change notifications regarding material composition or manufacturing origin updates before finalizing procurement orders.

Selection Notes

Select this component for designs requiring 1000 Base-T connectivity with high isolation standards. Ensure the operating environment stays within the specified 0°C to +70°C range. Verify that the 350 uH inductance value meets the impedance matching requirements of the specific PHY transceiver being utilized in the system architecture.

Part Context

This part belongs to Pulse Electronics' audio and signal transformer lineup, specifically categorized under LAN transformers. It serves as a critical passive component for enabling reliable data transfer in networking hardware. The device is distinct from power transformers by its focus on signal integrity and high-frequency performance rather than energy conversion.

Replacement Considerations

The H5187NL is a tube-packaged variant of the same functional component. Substitution requires verification of packaging differences and potential mechanical fitment adjustments on the assembly line.