H2009FNL

Overview

The H2009FNL is a surface-mount audio and signal transformer manufactured by Pulse Electronics, designed for 100Base-TX applications. It features a dual-port configuration with Power over Ethernet (PoE) capability. The component provides an inductance of 350uH and a DC resistance of 0.65 Ohms. It operates within a temperature range of 0°C to +70°C and supports frequencies from 100 kHz to 100 MHz. The isolation voltage is rated at 1.5 kV.

Feature Summary

• Supports 100Base-TX network standards with integrated PoE functionality
• Dual-port architecture for simultaneous signal transmission and reception
• Surface-mount design optimized for automated assembly processes

Applications

• 100Base-TX Ethernet network interfaces
• Power over Ethernet enabled devices
• LAN port signal conditioning modules

Procurement Notes

Verify the specific datasheet revision and RoHS compliance status before integration. Confirm that the operating temperature range of 0°C to +70°C meets your environmental requirements. Ensure the surface-mount footprint matches your PCB layout constraints. Cross-reference the 1.5 kV isolation rating with your safety standards. Validate the 350uH inductance specification against your circuit design needs.

Selection Notes

Select this component when designing for 100Base-TX standards requiring PoE support. The dual-port structure simplifies board layout compared to single-port alternatives. Consider the surface-mount package for high-volume manufacturing efficiency. Verify thermal performance within the specified 0°C to +70°C operational window. Ensure compatibility with the 100 kHz to 100 MHz frequency range for proper signal integrity.

Part Context

This part belongs to Pulse Electronics' LAN transformers category, specifically engineered for Ethernet connectivity. It serves as a critical interface component between the PHY chip and the RJ45 connector. The device ensures signal integrity and electrical isolation in industrial and commercial networking equipment. Its design focuses on compact form factors suitable for modern electronic assemblies.

Replacement Considerations

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