H1102FNL

Overview

The H1102FNL is a LAN pulse transformer module manufactured by Pulse Electronics, designed for 100Base-TX applications. It features a surface-mount SMD-16 package with dimensions of 12.7 mm length, 9.53 mm width, and 6.09 mm height. The component operates within a frequency range of 100 kHz to 100 MHz and supports a single channel configuration. 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. It is rated for operation between 0°C and +70°C.

Feature Summary

• Provides galvanic isolation for Ethernet signal transmission in datacom networks.
• Supports 100Base-TX speed standards with non-PoE capability.
• Features unshielded construction for general-purpose application.

Applications

• 100Base-TX Ethernet network interfaces
• Datacom transformer modules
• LAN signal coupling circuits

Procurement Notes

Verify the specific suffix designation when ordering, as packaging formats vary between tube and tape-and-reel configurations across different distributors. Confirm RoHS compliance status and moisture sensitivity level requirements prior to procurement. Ensure the selected variant matches the required lead frame material and termination type for the target PCB assembly process.

Selection Notes

Select this component for designs requiring 100Base-TX connectivity without Power over Ethernet support. The unshielded design suits applications where external shielding is managed separately. Verify that the 0.65 Ohm DC resistance and 350 µH inductance align with the transceiver specifications. Consider thermal management within the 0°C to +70°C operating range during system integration.

Part Context

This part belongs to the Pulse Electronics LAN Transformers series, specifically engineered for high-speed data communication. It serves as a critical interface component between Ethernet PHY chips and the physical medium. The product line emphasizes reliability in standard networking environments, providing essential impedance matching and signal integrity for compliant network hardware implementations.

Replacement Considerations

The H1102FNLT is a documented substitute offering identical electrical characteristics but supplied in tape-and-reel packaging instead of tubes. Cross-reference mechanical dimensions and pinout assignments before substitution to ensure compatibility with existing footprints.

FAQ

Does the H1102FNL support Power over Ethernet?

No, the H1102FNL is specified as a Non-PoE transformer module.

What is the isolation voltage rating?

The component provides an isolation voltage of 1.5 kV.