161D56

Overview

The Hammond Manufacturing 161D56 is a low voltage power transformer designed for PCB mounting. It features a single primary winding rated for 115 VAC and dual secondary windings providing 56 VAC center-tapped at 15 mA, delivering a total power rating of 1 VA. The unit utilizes through-hole solder pin termination and operates within a temperature range of 0°C to +130°C at 50/60 Hz frequencies. Its physical dimensions are 1.38 inches in length, 1 inch in width, and 0.83 inches in height, with a weight of approximately 59 grams.

Feature Summary

• Dual secondary winding configuration enables flexible circuit design options
• Through-hole solder pin termination ensures secure board attachment
• High thermal tolerance supports operation up to +130°C

Applications

• Low voltage electronic circuits requiring isolated power
• Control panels utilizing PCB-mounted components
• Industrial equipment with specific low current requirements

Procurement Notes

Verify the exact part number against official Hammond Manufacturing documentation to ensure compatibility with your specific circuit design. Confirm that the 115V primary voltage and 1VA power rating align with your system's electrical requirements before procurement. Check for any specific RoHS compliance details if required by your manufacturing standards.

Selection Notes

Select this component when a compact, low-power transformer is needed for 115VAC input applications. Ensure the PCB layout accommodates the specified through-hole pin spacing and physical footprint. Consider the thermal environment, as the unit supports high operating temperatures, making it suitable for enclosed or high-heat industrial settings.

Part Context

This transformer belongs to the Hammond 160 series of board-mount power transformers. These units are engineered for general-purpose isolation and voltage transformation in compact electronic assemblies. The series offers various voltage and power configurations to suit diverse low-voltage application needs while maintaining standard through-hole mounting compatibility.

Replacement Considerations

Consult Hammond Manufacturing technical resources for verified substitute part numbers. Ensure any replacement matches the primary voltage, secondary configuration, power rating, and physical dimensions to maintain circuit integrity.