H5008FNL

Overview

The H5008FNL is a single-port LAN pulse transformer manufactured by Pulse Electronics, designed for 10/100/1000 Base-T Ethernet applications. It features a 350µH inductance and a 1CT:1CT turns ratio for both transmitter and receiver channels. The component operates within a temperature range of -40°C to +85°C and provides 1.5 kV isolation voltage. Its surface-mount package measures 18.67 mm in length, 13.16 mm in width, and 6.12 mm in height.

Feature Summary

• Supports Gigabit Ethernet (1000 Base-T) data transmission standards
• Provides galvanic isolation with 1.5 kV insulation voltage rating
• Designed for non-PoE (Power over Ethernet) circuit implementations
• Utilizes surface-mount technology for automated PCB assembly

Applications

• Gigabit Ethernet network interface cards
• Ethernet switch port circuits
• Industrial networking equipment
• Telecommunications infrastructure hardware

Procurement Notes

Verify the specific suffix designation against official datasheets to confirm packaging type, as variations exist between tube and reel formats. Ensure the selected variant matches the required operating temperature range and isolation specifications for the target application environment. Cross-reference manufacturer part numbers with distributor catalogs to avoid confusion with similar models like HX5008FNL or H5008FNLT.

Selection Notes

Select this component for designs requiring robust Gigabit Ethernet connectivity without Power over Ethernet capabilities. The wide operating temperature range makes it suitable for industrial environments. Confirm that the physical footprint dimensions align with the PCB layout constraints. Verify compatibility with the specific PHY controller being used in the system design.

Part Context

This component belongs to the H-series of LAN transformers from Pulse Electronics, specifically engineered for high-speed data communication. It serves as a critical interface element between the Ethernet PHY chip and the magnetics module, ensuring signal integrity and electrical safety in modern networking hardware.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Consult official manufacturer cross-reference guides for potential alternatives.