FS28-85-B

Power Transformers Overview

The Triad Magnetics FS28-85-B is a board-mount power transformer featuring a split bobbin design for PCB applications. It provides a primary voltage of 115V or 230V and a secondary output of 28.0Vct at 0.085A. The unit has a power rating of 2.5VA with dual primary and dual secondary windings, supporting parallel or series configurations. It operates at 50Hz/60Hz frequencies and includes UL/cUL certification.

Power Transformers Feature Summary

• Split bobbin construction for versatile printed circuit board mounting
• Dual primary and dual secondary winding options
• Certified for safety compliance

Power Transformers Applications

• Printed circuit board power supplies
• Low-power electronic equipment
• Control circuits requiring isolated power

Power Transformers Procurement Notes

Verify the specific suffix against official Triad Magnetics documentation to confirm exact electrical characteristics and packaging details. Ensure compatibility with target PCB layout dimensions and thermal requirements before procurement.

Power Transformers Selection Notes

Select this component when a compact, certified power transformer is required for low-current applications. Verify that the 2.5VA rating meets system load demands and that the split bobbin form factor fits the available board space.

Power Transformers Part Context

This part belongs to the Triad Split Pack™ series, designed specifically for nonconcentrically wound transformer applications on PC boards. The series offers flexibility in winding configurations to suit various voltage and current requirements.

Power Transformers Replacement Considerations

Consult official Triad Magnetics substitution guides for verified alternatives. Generic replacements may not match the split bobbin geometry or specific electrical tolerances required by the original design.