H2005A

Overview

The H2005A is a LAN transformer module manufactured by Pulse Electronics, designed for Surface Mount Device (SMD) applications. It supports 100Base-TX Ethernet standards and Power over Ethernet (PoE) functionality. The component features two ports with an inductance of 350uH and a secondary coil impedance of 0.75 Ohms. It operates within a temperature range of 0°C to +70°C. The physical dimensions are specified as 15.11 mm in length, 13.16 mm in width, and 6.12 mm in height.

Feature Summary

• Supports 100Base-TX data transmission standards
• Integrated Power over Ethernet (PoE) capability
• Dual-port configuration for network connectivity

Applications

• VoIP telephony systems
• LAN network interface circuits
• Ethernet switch modules

Procurement Notes

Verify current availability status through authorized distributors, as lifecycle notifications may indicate end-of-life or discontinuation phases. Confirm RoHS compliance details and specific ordering suffixes against the manufacturer's latest documentation to ensure compatibility with current supply chain requirements.

Selection Notes

Select this component for designs requiring compact SMD integration of 100Base-TX isolation and PoE power delivery. Ensure the PCB footprint matches the 15.11mm x 13.16mm package dimensions. Validate thermal management capabilities against the 0°C to +70°C operating range for the target environment.

Part Context

This part belongs to the Pulse Transformers series, specifically categorized under Audio & Signal Transformers and LAN Transformers. It serves as a critical interface component for isolating network lines while facilitating power injection in compliant Ethernet infrastructure.

Replacement Considerations

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