7491181012

Overview

The Würth Elektronik 7491181012 is a through-hole offline power transformer designed for AC/DC switching mode power supplies. It features a primary inductance of 220µH and supports an input voltage range of 120V to 385V. The component provides 4kVrms isolation and operates at a frequency of 132kHz. With dimensions of 15mm x 11mm, it utilizes a DIP-6P package suitable for board mounting applications requiring robust electrical isolation.

Feature Summary

• Provides high-voltage isolation for offline power conversion circuits
• Optimized for use in AC/DC switching mode power supply topologies
• Designed for reliable operation within standard industrial temperature ranges

Applications

• Offline AC/DC converter modules
• Switching mode power supply (SMPS) units
• LED driver power stages

Procurement Notes

Verify the specific datasheet revision when sourcing, as manufacturing updates may occur. Confirm that the DIP-6P footprint matches your PCB layout requirements. Ensure the 4kVrms isolation rating meets the safety standards required for your target market's regulatory compliance. Cross-reference the pinout configuration with your schematic to prevent installation errors during assembly.

Selection Notes

Select this component for designs requiring through-hole mounting and significant galvanic isolation. It is appropriate for applications where the 220µH primary inductance aligns with the chosen controller's magnetic design parameters. Consider the physical size constraints of the 15mm x 11mm package relative to the enclosure space available for the final power supply unit.

Part Context

This part belongs to Würth Elektronik's WE-UNIT series, which focuses on compact, efficient transformers for various power conversion needs. The manufacturer specializes in providing comprehensive design resources and technical support to assist engineers in integrating these components into complex electronic systems efficiently.

Replacement Considerations

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