H1263NLT

Overview

The H1263NLT is a LAN transformer module manufactured by Pulse Electronics, designed for surface-mount technology (SMD) applications. It supports 100Base-TX Ethernet standards and operates within a frequency range of 100 kHz to 100 MHz. The component features a single channel configuration with an inductance of 350 uH and a resistance of 0.65 Ohms. It provides an insulation voltage of 1.5 kV and functions reliably between -40°C and +85°C. The physical dimensions are 16.1 mm in length, 12.7 mm in width, and 6.0 mm in height, housed in a compact SMD package suitable for high-density circuit board layouts.

Feature Summary

• Supports 100Base-TX network protocols for reliable data transmission
• Provides electrical isolation with 1.5 kV insulation voltage rating
• Designed for surface-mount assembly to facilitate automated manufacturing processes

Applications

• 100Base-TX Ethernet interface circuits
• Network interface card (NIC) designs
• Embedded networking systems requiring signal isolation

Procurement Notes

Verify the specific datasheet version and RoHS compliance status directly with Pulse Electronics or authorized distributors before finalizing procurement decisions. Ensure that the ordering suffix matches the required packaging format, such as cut tape or reel, to align with production line equipment capabilities. Confirm that the component's thermal and electrical specifications meet the target system requirements for long-term reliability under operating conditions.

Selection Notes

Select the H1263NLT when designing 100Base-TX interfaces requiring a single-channel solution with moderate size constraints. This component is appropriate for applications where non-PoE operation is sufficient and standard isolation levels are adequate. Consider the operating temperature range and SMT compatibility during layout planning to ensure optimal performance and manufacturability within the intended electronic device architecture.

Part Context

This component belongs to the Pulse Electronics LAN Transformers series, which specializes in signal conditioning and isolation for local area network connections. The H1263NLT specifically addresses the needs of 100 Mbps Ethernet applications, offering a balance between performance and physical footprint. It serves as a critical passive element in ensuring signal integrity and electrical safety in modern networking hardware designs.

Replacement Considerations

Consult official Pulse Electronics documentation for verified substitute part numbers. Cross-reference pin configurations, electrical parameters, and mechanical dimensions to ensure compatibility with existing PCB layouts and design specifications.