PA1861NL

Overview

The PA1861NL is a flyback transformer manufactured by Pulse Electronics, designed for board mount applications. It belongs to the Power Transformers category and utilizes surface mount technology (SMD/SMT) for PCB integration. The component is RoHS compliant and features a toroidal construction type typical of SMT power inductors and transformers. It is intended for use in electronic circuits requiring isolated power conversion.

Feature Summary

• Flyback transformer topology for isolated power supply designs
• Surface mount package for automated PCB assembly
• RoHS compliant manufacturing process

Applications

• Board mount power supply units
• Isolated DC-DC conversion circuits
• General purpose electronic equipment power stages

Procurement Notes

Verify the specific datasheet version and mechanical dimensions before integration, as manufacturer specifications may be subject to change. Confirm that the surface mount footprint matches the target PCB design. Ensure compliance with relevant environmental directives such as RoHS requirements for the intended market. Check for any product change notifications or end-of-life notices prior to finalizing the bill of materials.

Selection Notes

Select this component for applications requiring a compact, surface-mountable flyback transformer. Consider the physical size constraints and thermal management capabilities of the host system. Verify that the electrical characteristics align with the specific voltage and current requirements of the power stage. Evaluate the availability and lead times through authorized distributors to ensure supply chain stability.

Part Context

This component is part of Pulse Electronics' portfolio of board-mount power transformers. It serves as a critical magnetic component in switching power supplies, providing galvanic isolation between input and output stages. The series is designed to meet the demands of modern electronics for smaller form factors and higher efficiency.