LG1P109N LF

Overview

The LG1P109N LF is a single-port LAN magnetic component designed for 1000 Base-Tx Ethernet applications. It features an inductance of 350µH with a 1:1CT transformer configuration for both transmitter and receiver paths. The device utilizes a DIP through-hole mounting type, measuring 1.280 inches in length and 0.335 inches in width. Insertion loss specifications are defined within the frequency range of -1.1 dB at 0.3 to 100MHz.

Feature Summary

• Integrated single-port magnetic solution for Gigabit Ethernet connectivity
• Transformer configuration supports dedicated transmitter and receiver signal paths
• Through-hole package design facilitates standard PCB assembly processes

Applications

• 1000 Base-Tx network interface card implementation
• Ethernet switch port isolation circuits
• Industrial networking equipment physical layer modules

Procurement Notes

Verify component authenticity against manufacturer documentation prior to integration. Confirm that the specific suffix aligns with required environmental standards and lead-free compliance. Cross-reference pin assignments with target schematic designs to ensure correct electrical connectivity. Validate mechanical dimensions against enclosure constraints during the layout phase.

Selection Notes

Select this component for applications requiring integrated magnetics in a through-hole format. Ensure the system design accommodates the specified physical footprint and insertion loss characteristics. Verify compatibility with the intended Ethernet PHY controller regarding signal integrity requirements. Consider the single-port architecture when planning board space for multiple network interfaces.

Part Context

This part belongs to Pulse Electronics' LAN magnetic product family, specifically engineered for high-speed data transmission networks. It serves as a critical interface between the digital baseband processor and the physical medium, providing necessary isolation and impedance matching for reliable Gigabit Ethernet communication over twisted pair cabling.

Replacement Considerations

Public confirmed substitute part numbers include LG1P109NB LF. Verify functional equivalence and mechanical fit before substitution.