PA2437NL

Overview

The PA2437NL is a high-frequency wire wound switching transformer manufactured by Pulse Electronics. It features a surface mount gull-wing SMD package with ten terminals. The device provides a 3:3:3.75:1 turns ratio and includes primary DC resistance of 0.047 Ohms, secondary DC resistance of 0.012 Ohms, and additional winding resistances of 0.058 Ohms and 0.155 Ohms.

Feature Summary

• High-frequency wire wound construction for efficient signal transfer
• Integrated multi-tap design supporting complex power conversion topologies
• Surface mount gull-wing termination for automated PCB assembly

Applications

• Isolated DC-DC converter modules
• Flyback power supply designs
• Industrial control system power stages

Procurement Notes

Verify the specific datasheet revision to confirm terminal pinout assignments and insulation ratings. Ensure the selected component matches the required isolation voltage specifications for the target application safety standards. Cross-reference manufacturer part numbers against distributor listings to confirm availability and authenticity.

Selection Notes

Select this component when a 3:3:3.75:1 transformation ratio is required in a compact surface mount form factor. Evaluate thermal performance based on the specified DC resistance values to ensure compliance with system efficiency targets. Confirm mechanical footprint compatibility with existing PCB layouts before finalizing the design.

Part Context

This component belongs to the Pulse Electronics family of high-frequency transformers designed for robust power electronics applications. It utilizes wire wound technology to achieve precise magnetic coupling within a small physical envelope. The product line supports various industrial and commercial power conversion requirements.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation.