PA1735NL

Overview

The PA1735NL is a surface-mount flyback transformer manufactured by Pulse Electronics, designed for board-mounted power applications. It utilizes an EFD20 core configuration and features non-potted (NPB) construction to facilitate thermal management and mechanical stability in compact designs. The component is engineered for high-frequency switching operations typical of modern power supply architectures.

Feature Summary

• EFD20 core geometry optimized for efficient magnetic coupling in space-constrained environments
• Non-potted construction allowing for enhanced heat dissipation during operation
• Surface-mount termination style enabling automated assembly processes

Applications

• Flyback converter circuits in AC-DC adapters
• Isolated power supplies for consumer electronics
• Board-mounted power conversion modules

Procurement Notes

Verify the specific datasheet revision and electrical parameters against the manufacturer's official documentation before integration. Confirm that the EFD20 footprint and pinout match the target PCB layout requirements. Ensure compliance with relevant safety standards for the intended end-use environment.

Selection Notes

Select this component when a compact flyback solution with EFD20 core characteristics is required. Consider the non-potted design for applications where thermal performance under load is critical. Validate insulation ratings and isolation voltage specifications against the system's safety requirements.

Part Context

This part belongs to the Pulse Electronics power transformers category, specifically within the flyback transformer segment. It represents a standard surface-mount option for designers seeking reliable isolation in low-to-medium power conversion stages.