161F28

Overview

The Hammond Manufacturing 161F28 is a low voltage power transformer designed for PCB mounting. It features a single primary winding rated for 115 VAC input and dual secondary windings providing a center-tapped 28 VAC output at 160 mA, or two independent 14 VAC outputs at 320 mA each. The unit has a power rating of 4.4 VA and utilizes through-hole termination for secure board attachment.

Feature Summary

• Designed for direct printed circuit board mounting via through-hole pins
• Provides versatile secondary configurations with center-tapped or independent dual outputs
• Constructed for low voltage AC power conversion applications

Applications

• Low voltage AC power supply circuits
• Electronic equipment requiring isolated power stages
• Control panel internal power distribution

Procurement Notes

Verify the specific secondary current requirements against the datasheet before ordering. Confirm that the PCB footprint matches the component's pin spacing. Ensure the operating environment remains within the specified thermal limits for continuous duty operation.

Selection Notes

Select this model when a compact board-mount solution is required for 115VAC to low voltage conversion. Consider the 4.4 VA power limit relative to the total load current. Evaluate the physical dimensions to ensure adequate clearance on the target assembly.

Part Context

This component belongs to the Hammond 161 series of low voltage transformers. These units are characterized by their small form factor and suitability for space-constrained electronic designs. The series offers various voltage combinations tailored for general-purpose industrial electronics.

Replacement Considerations

Consult official cross-reference lists for verified substitutes. Ensure any replacement maintains identical primary voltage, secondary configuration, and mounting style compatibility.