63929

Overview

The Bourns 063929 is a switching transformer designed for flyback converter applications. It features an 18.6:1:1 turns ratio and supports a maximum power output of 4W. The device utilizes an 8-terminal pin through-hole package. It accepts primary input voltages ranging from 85V to 265V AC and operates across a frequency range of 44kHz to 132kHz. The unit provides an isolation voltage of 4.2kV.

Feature Summary

• Provides high-voltage isolation for circuit protection
• Supports wide-range universal AC input operation
• Designed for compact flyback power supply topologies

Applications

• Universal AC-DC power adapters
• Flyback transformer circuits in consumer electronics
• Low-power isolated DC-DC conversion modules

Procurement Notes

Verify the specific datasheet version when ordering, as manufacturer specifications may be updated. Confirm that the 8-pin through-hole configuration matches your PCB footprint requirements. Ensure the operating frequency range aligns with your controller's switching capabilities. Check for RoHS compliance status if environmental regulations apply to your assembly process.

Selection Notes

Select this component for applications requiring a fixed 18.6:1:1 ratio and 4W power handling. It is suitable for designs utilizing standard flyback architectures with universal input ranges. Consider the physical dimensions of the 8-terminal package during layout planning. Verify thermal management needs based on the 4W load capacity.

Part Context

This component belongs to Bourns' magnetic components portfolio, specifically within their transformer series. These parts are engineered for reliability in power conversion systems. The product line emphasizes robust construction for industrial and commercial environments.

Replacement Considerations

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