PA1836NL

Overview

The PA1836NL is a surface-mount flyback power transformer manufactured by Pulse Electronics. It utilizes an EFD20 core configuration and supports input voltages ranging from 9V to 36V. The component is rated for a maximum power output of 35W. It features a primary inductance of 4.5µH and is designed for board mounting applications requiring compact power conversion solutions.

Feature Summary

• EFD20 core construction for efficient magnetic performance
• Flyback topology suitable for isolated power supplies
• Surface mount design for automated PCB assembly

Applications

• Board-mounted power supply units
• Flyback converter circuits
• Compact electronic device power stages

Procurement Notes

Verify the specific datasheet version and electrical tolerances against your circuit requirements before procurement. Confirm that the EFD20 package dimensions align with your PCB footprint. Ensure the 35W power rating and 9V-36V input range meet your system's operational needs. Check for any recent product change notices or end-of-life announcements from Pulse Electronics.

Selection Notes

Select this component when a compact, surface-mount flyback transformer is required for low-to-medium power applications. The EFD20 form factor offers a balance between power density and thermal management. Ensure the design accommodates the specified 4.5µH primary inductance. Verify compatibility with the target switching frequency and voltage stress levels.

Part Context

This part belongs to the Pulse Electronics family of board-mount power transformers. It is specifically engineered for flyback applications using the EFD20 core geometry. The series provides standardized solutions for designers needing reliable isolation in space-constrained environments.

Replacement Considerations

Consult official Pulse Electronics documentation for qualified substitute part numbers. Do not assume cross-compatibility with other manufacturers' EFD20 transformers without verifying pinout, inductance, and insulation ratings.