H1102FNLT

Overview

The H1102FNLT is a single-port LAN pulse transformer manufactured by Pulse Electronics, designed for surface-mount applications. It supports 100Base-TX Ethernet standards and features a 1:1 turns ratio with separate primary and secondary windings for transmit and receive paths. Key electrical parameters include an inductance of 350 µH, a maximum DC resistance of 0.65 Ohms, and an isolation voltage of 1.5 kV. The component operates within a temperature range of 0°C to +70°C and functions across a frequency spectrum from 100 kHz to 100 MHz. It is housed in a compact SMD package measuring 12.70 mm in length, 9.09 mm in width, and 5.99 mm in height.

Feature Summary

• Provides galvanic isolation for single-port Ethernet connections using integrated pulse transformer technology.
• Supports 100Base-TX data transmission standards with dedicated transmit and receive channel configurations.
• Features low DC resistance to minimize signal loss in high-speed data communication lines.

Applications

• 100Base-TX Ethernet network interface cards
• Ethernet switch port interfaces
• Network adapter circuitry

Procurement Notes

Verify the specific suffix 'T' indicates tape-and-reel packaging configuration when sourcing. Confirm RoHS compliance status aligns with project requirements. Ensure the operating temperature range meets environmental specifications. Cross-reference datasheet revisions to confirm pinout consistency. Validate that the single-port design matches the target circuit topology.

Selection Notes

Select this component for designs requiring 100Base-TX connectivity with space-constrained surface-mount layouts. Consider the 0.65 Ohm DC resistance for power efficiency needs. Verify compatibility with standard Ethernet PHY controllers supporting single-port magnetics. Assess thermal performance within the specified 0°C to +70°C operational window.

Part Context

This part belongs to Pulse Electronics' LAN transformer portfolio, specifically engineered for datacom applications. It serves as a critical isolation component between Ethernet physical layer devices and the external network medium. The product line emphasizes reliability in standard networking environments.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult official manufacturer resources for cross-reference information.