H1199NLT

Overview

The H1199NLT is a surface-mount LAN transformer module manufactured by Pulse Electronics. It supports 10/100 Base-T Ethernet applications with a primary-to-secondary turns ratio of 1CT:1CT for both transmitter and receiver channels. The component features an inductance of 350µH and operates within a temperature range of 0°C to 70°C. Its physical dimensions are 12.70mm in length, 9.09mm in width, and a maximum height of 5.99mm. The device is RoHS3 compliant and classified under ECCN EAR99.

Feature Summary

• Integrated isolation and data interface functionality for Ethernet signaling
• Surface-mount construction optimized for automated assembly processes
• Compliant with RoHS3 environmental standards

Applications

• 10/100 Base-T network interface circuits
• Ethernet port signal conditioning modules
• LAN transformer integration in networking hardware

Procurement Notes

Verify the specific ordering suffix against official distributor catalogs to ensure correct packaging configuration. Confirm that the selected variant matches the required thermal and electrical specifications for the target application environment. Cross-reference manufacturer part numbers with authorized supply chain channels to guarantee authenticity and traceability of the components.

Selection Notes

Select this component for designs requiring compact surface-mount isolation for 10/100 Mbps Ethernet links. Ensure the PCB footprint accommodates the specified 12.70mm x 9.09mm dimensions. Validate that the operating temperature range meets the system's environmental requirements. Consider mechanical clearance constraints relative to the 5.99mm maximum height during layout planning.

Part Context

This component belongs to the Pulse Electronics LAN Transformers product line, specifically designed for audio and signal transformation tasks. It serves as a critical passive element in network interface cards and routers, providing galvanic isolation between the PHY chip and the external cable jack while maintaining signal integrity for differential data transmission.

Replacement Considerations

Public confirmed substitute part numbers include H1199FNL, H1302FNL, and H1302FNLT. Verify pinout compatibility and mechanical fit before substitution.