H1197NLT

Overview

The H1197NLT is a single-port pulse transformer module designed for 10/100 Base-T Ethernet applications. Manufactured by Pulse Electronics, it features a surface-mount package with dimensions of 12.70mm x 6.73mm and a maximum height of 6.22mm. The component operates within a temperature range of 0°C to 70°C and utilizes a 1CT:1CT turns ratio. It is RoHS3 compliant and classified under isolation and data interface transformers.

Feature Summary

• Integrated magnetic module construction for compact PCB layout
• Optimized for 10/100 Base-T Ethernet signal integrity
• Surface-mount design for automated assembly processes

Applications

• Ethernet network interface cards
• Network switches and hubs
• Industrial communication gateways

Procurement Notes

Verify the specific ordering suffix against the manufacturer's current datasheet to ensure correct packaging configuration. Confirm that the selected variant matches the required thermal and electrical specifications for the target application environment before finalizing procurement orders.

Selection Notes

Select this component when a single-port solution is required for standard Ethernet connectivity. Ensure the design accommodates the specified footprint and height constraints. Verify compatibility with the intended transceiver ICs to maintain signal performance standards.

Part Context

This part belongs to Pulse Electronics' LAN transformer portfolio, specifically engineered for high-reliability data communication interfaces. It serves as a critical isolation component in Ethernet physical layer circuits, providing necessary galvanic separation between the MAC and PHY sections.

Replacement Considerations

H1197FNLT is documented as a direct substitute. Verify pinout and electrical equivalence before implementation.