F5-28

Overview

The Triad Magnetics F5-28 is a power transformer designed for industrial control applications. It features a single primary winding rated for 115V input and a dual secondary output providing 28.0V center-tapped at 0.420A. The unit has a power rating of approximately 12 VA. It utilizes a quick pack configuration with lugs for connection, facilitating efficient integration into electronic circuits requiring specific voltage transformation.

Feature Summary

• Quick connect options available via lug terminals for simplified assembly
• Compact design offering significant size and weight reduction relative to VA rating
• Single primary winding configuration for standard input compatibility

Applications

• Industrial control systems
• Electronics projects requiring clean bipolar supplies
• Tube preamps and small amplifiers

Procurement Notes

Verify the exact terminal configuration (lug vs. solder) and packaging quantity when ordering. Confirm that the 115V primary rating matches your system voltage. Ensure the 28Vct @ 0.420A output meets your load requirements. Check for UL/cUL certification if required by your application standards. Review datasheet for mounting dimensions and thermal limits.

Selection Notes

Select this model when a compact, low-voltage AC source is needed for control circuits or audio equipment. Compare against other F-series variants like F5-12 or F5-48 if different voltage outputs are required. Consider chassis mount alternatives like VPL series if PCB mounting is not feasible. Verify insulation class and environmental ratings for harsh conditions.

Part Context

This component belongs to the Triad Magnetics Quick Pack small power transformer series. These transformers are engineered to reduce physical footprint and mass compared to traditional designs for equivalent power handling. The series is widely used in consumer electronics and industrial controls where space efficiency is critical.

Replacement Considerations

Direct substitutes include other Triad F-series transformers with matching electrical specifications. Cross-reference part numbers such as F5-28 variations from authorized distributors. Ensure replacement units maintain the same lug configuration and mounting style to fit existing enclosures without modification.