H1270NLT

Overview

The H1270NLT is a LAN transformer module manufactured by Pulse Electronics, designed for 10/100BASE-TX applications. It features a dual-port configuration with surface mount (SMD) termination. The component has an inductance of 350 µH and operates within a frequency range of 100 kHz to 100 MHz. Physical dimensions are 13.08 mm in length, 12.70 mm in width, and 3.69 mm in height. It supports a working temperature range from 0°C to +70°C and provides 1.5 kV isolation voltage. The unit weight is approximately 1.42 g.

Feature Summary

• Dual-port architecture supporting simultaneous transmission and reception channels for Ethernet connectivity.
• Surface mount design optimized for automated PCB assembly processes.
• Integrated magnetic module providing galvanic isolation between network lines.

Applications

• 10/100BASE-TX Ethernet network interface circuits
• Computer peripheral connectivity modules
• Industrial communication equipment

Procurement Notes

Verify current availability status as this part number may be discontinued or subject to supply chain constraints. Confirm that the specific package variant matches the required footprint on the target printed circuit board. Ensure compliance with RoHS3 regulations if applicable to the end product requirements. Cross-reference the manufacturer's latest documentation for any potential design changes or obsolescence notices before finalizing procurement plans.

Selection Notes

Select this component for standard 10/100 Mbps Ethernet designs requiring a compact dual-port solution. Consider the physical dimensions and thermal characteristics relative to the enclosure space. Evaluate the operating temperature range against the environmental conditions of the intended deployment site. Verify compatibility with the specific PHY controller being utilized in the system architecture.

Part Context

This component belongs to the Pulse Electronics LAN Transformers series, specifically engineered for local area network signal integrity. It serves as a critical interface element between the MAC layer and the physical medium. The module integrates magnetics to ensure proper signal coupling and noise rejection for reliable data transmission over twisted pair cabling.

Replacement Considerations

The H1270FNLT is documented as a similar substitute part number. Verify mechanical fit and electrical specifications before implementation.