7491182012

Switching Converter, SMPS Transformers Overview

The Würth Elektronik 7491182012 is an off-line transformer belonging to the WE-UNIT series, designed for surface-mount applications in AC/DC converter systems. It features a primary voltage range of 120V to 385V and provides 4000Vrms isolation. The component operates at a frequency of 132kHz with an inductance of 145µH. It supports LED drivers and AC/DC SMPS topologies, functioning within a temperature range of -40°C to 125°C.

Switching Converter, SMPS Transformers Feature Summary

• Provides high-voltage isolation for safety-critical power conversion circuits
• Optimized for compact AC/DC switching mode power supply designs
• Engineered for stable performance across wide industrial temperature ranges

Switching Converter, SMPS Transformers Applications

• LED driver power supplies
• AC/DC Switching Mode Power Supplies (SMPS)
• General electronic equipment power stages

Switching Converter, SMPS Transformers Procurement Notes

Verify the specific datasheet revision when sourcing, as manufacturer documentation updates may occur. Confirm that the surface-mount package dimensions align with your PCB footprint requirements. Ensure the selected controller IC is compatible with the specified 132kHz operating frequency and inductance characteristics for proper system integration.

Switching Converter, SMPS Transformers Selection Notes

Select this component for designs requiring robust galvanic isolation in space-constrained AC/DC converters. It is suitable for applications utilizing controllers from manufacturers such as On Semiconductor. Consider the thermal management capabilities required for operation up to 125°C ambient temperature during the design phase.

Switching Converter, SMPS Transformers Part Context

This part belongs to the WE-UNIT series, which focuses on integrated magnetic solutions for offline power conversion. Würth Elektronik manufactures these components to support efficient energy transfer in modern power electronics, emphasizing reliability and compliance with international safety standards for isolated power supplies.

Switching Converter, SMPS Transformers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Engineers should consult official Wurth Elektronik resources or authorized distributors for verified cross-reference data before implementing alternative components.