H1263NL

Overview

The H1263NL is a LAN transformer module manufactured by Pulse Electronics, designed for surface-mount applications. It supports 10/100 Base-T Ethernet standards with a single channel configuration. The component features an inductance of 350 uH and a primary coil resistance of 0.65 Ohms. It operates within a temperature range of 0°C to +70°C and provides 1.5 kV isolation voltage. The physical dimensions are 12.7 mm in length, 9.65 mm in width, and 4.57 mm in height. The unit weight is approximately 1.140 g.

Feature Summary

• Supports 10/100 Base-T Ethernet signaling
• Surface-mount construction for automated assembly
• Single-channel design for point-to-point connectivity

Applications

• Ethernet network interface cards
• LAN hub and switch ports
• Telecommunications equipment

Procurement Notes

Verify the specific datasheet version and RoHS compliance status directly with the manufacturer or authorized distributors before procurement. Confirm that the package type matches the intended PCB footprint requirements. Ensure the operating temperature range aligns with the environmental conditions of the final application. Cross-reference the pinout diagram to guarantee compatibility with the target circuit design.

Selection Notes

Select this component when designing circuits requiring standard 10/100 Mbps Ethernet isolation. Consider the physical size constraints as it occupies a specific board area. Evaluate the thermal performance requirements against the specified operating temperature limits. Ensure the system architecture utilizes single-channel topology compatible with this transformer's internal winding configuration.

Part Context

This part belongs to the Pulse Electronics LAN Transformers product line, specifically categorized under Audio & Signal Transformers. It serves as a critical passive component for signal integrity in wired networking hardware. The series is engineered to meet industry standards for data transmission reliability and electrical isolation in consumer and industrial electronic devices.

Replacement Considerations

The H1260NLT is a documented substitute part number from the same manufacturer. Verify mechanical fit and electrical parameter equivalence before implementation.