PA0423NL

Switching Converter, SMPS Transformers Overview

The PA0423NL is a high-frequency planar transformer manufactured by Pulse Electronics, designed for surface-mount applications. It features a primary inductance of 140 µH and a low DC resistance of 35 mΩ. The component operates within a frequency range of 235 kHz to 700 kHz and supports an output voltage of 48V with a power rating of 140W. Its physical dimensions are approximately 23.37 mm in length, 20.07 mm in width, and 8.6 mm in height.

Switching Converter, SMPS Transformers Feature Summary

• Utilizes planar construction technology for high-frequency efficiency
• Designed specifically for forward push-pull DC/DC converter topologies
• Provides robust thermal performance suitable for commercial environments

Switching Converter, SMPS Transformers Applications

• Forward Push-Pull DC/DC Converters
• High-frequency power supply modules
• Commercial electronic equipment requiring compact transformers

Switching Converter, SMPS Transformers Procurement Notes

Verify the specific manufacturer datasheet for the PA0423NL to confirm pinout configurations and electrical tolerances before integration. Ensure that the supplier provides original components with traceable documentation. Cross-reference the part number against official Pulse Electronics catalogs to avoid counterfeit substitutes. Confirm compliance with RoHS standards if required by your manufacturing process.

Switching Converter, SMPS Transformers Selection Notes

Select this component when designing circuits that require a planar transformer topology for frequencies between 235 kHz and 700 kHz. The 140 µH inductance and 35 mΩ resistance make it suitable for applications demanding low loss and high efficiency. Consider the physical footprint of 23.37 mm x 20.07 mm x 8.6 mm for PCB layout constraints.

Switching Converter, SMPS Transformers Part Context

This part belongs to the SpyGlass series of planar transformers from Pulse Electronics. It is engineered for high-power density applications where standard wire-wound transformers may be too bulky. The design integrates magnetic and conductive layers to minimize leakage inductance and improve thermal dissipation compared to traditional core-based designs.