H1200NL

Overview

The H1200NL is a dual-port LAN transformer module manufactured by Pulse Electronics, designed for surface-mount technology (SMD/SMT) applications. It supports 10/100Base-T Ethernet standards and operates within a frequency range of 1 MHz to 100 MHz. The component features an inductance of 350 uH and provides an insulation voltage of 1.5 kV. It has a single channel configuration per port with unshielded construction. The physical dimensions are 17.78 mm in length, 12.95 mm in width, and 9.4 mm in height. The operating temperature range spans from 0°C to +70°C. The module is packaged in tubes and carries the HX series designation.

Feature Summary

• Dual-port architecture supporting simultaneous 10/100Base-T signal transmission
• Surface-mount design optimized for automated PCB assembly processes
• High insulation voltage rating ensuring electrical isolation safety

Applications

• 10/100Base-T network interface circuits
• Ethernet hub and switch internal connections
• Computer peripheral networking ports

Procurement Notes

Verify the specific manufacturer part number against official Pulse Electronics documentation to ensure authenticity. Confirm that the received components match the HX series specifications and SMD package dimensions. Check for RoHS compliance status as indicated in the official datasheet. Ensure storage conditions account for humidity sensitivity if applicable. Validate that the supplier provides traceable documentation matching the component markings.

Selection Notes

Select this component when designing systems requiring dual-port 10/100Base-T connectivity with surface-mount constraints. Consider the 0°C to +70°C operating temperature range for environmental suitability. Evaluate the 17.78 x 12.95 mm footprint against available PCB space. Verify compatibility with non-PoE requirements as specified. Assess the 1.5 kV insulation voltage against system isolation needs.

Part Context

The H1200NL belongs to Pulse Electronics' HX series of LAN transformers. It is categorized under audio and signal transformers, specifically for LAN applications. This module serves as a critical interface component between Ethernet PHY chips and RJ45 connectors. It replaces older through-hole designs with compact surface-mount solutions for modern networking hardware.

Replacement Considerations

Public confirmed substitute part numbers are not provided in the source material.