161FA20

Overview

The Hammond Manufacturing 161FA20 is a low voltage PCB mount power transformer with a 4.4 VA rating. It features a 115 VAC primary and a 20 VAC center-tapped secondary, delivering 220 mA. Designed for through-hole mounting, it operates at 60 Hz with dual secondary windings. The unit measures 1.63 inches in length, 1.31 inches in width, and 1.31 inches in height.

Feature Summary

• Dual secondary winding configuration enables flexible circuit integration
• Low profile design facilitates compact board-level installation
• Center-tapped secondary output supports rectification applications

Applications

• Low voltage electronic equipment power supplies
• Control circuit isolation
• Signal processing interface stages

Procurement Notes

Verify the specific part number against official Hammond Manufacturing documentation to confirm electrical ratings and physical dimensions. Ensure compatibility with your system's voltage requirements and mounting constraints before procurement.

Selection Notes

Select this component when a low power, board-mount transformer with a 115V primary and 20V CT secondary is required. Consider the 4.4 VA rating and physical footprint relative to available PCB space and thermal management needs.

Part Context

This transformer belongs to the Hammond 161 series of low voltage PCB mount units. These components are designed for direct insertion into printed circuit boards, offering a compact solution for stepping down mains voltage in low-power electronic designs.

Replacement Considerations

Consult official manufacturer substitution guides for verified equivalents. Generic replacements may differ in electrical characteristics or physical dimensions.