166G5

Overview

The Hammond Manufacturing 166G5 is a low voltage industrial power transformer designed for chassis mounting. It features a single primary winding rated for 115 VAC at 60 Hz and a single secondary winding providing 5 VAC center-tapped output. The unit has a power rating of 2.5 VA with a maximum secondary current of 500 mA. Constructed with a laminated core, it utilizes wire leads for termination. The component operates within a temperature range of 0°C to +130°C and supports frequencies of 50 Hz or 60 Hz.

Feature Summary

• Provides isolated low voltage power conversion from standard line voltage
• Features a robust laminated core construction for stable performance
• Designed for secure chassis mounting applications
• Utilizes direct wire lead termination for simplified integration

Applications

• Industrial control panel power supplies
• Low voltage equipment powering
• Chassis-mounted electronic systems
• General purpose isolation transformers

Procurement Notes

Verify the specific voltage and current requirements against the 2.5 VA rating and 500 mA limit before ordering. Confirm that the chassis mounting style and wire lead termination are compatible with the target enclosure design. Ensure the operating environment remains within the specified 0°C to +130°C temperature range to maintain reliability and safety standards.

Selection Notes

Select this model when a compact, low-power solution is required for stepping down 115V AC to a safe 5V level. The single primary configuration suits regions with standard 115V/60Hz mains. Consider the physical dimensions and weight constraints of the installation space. This transformer is suitable for applications where high efficiency is not the primary driver compared to cost-effectiveness and simplicity.

Part Context

This component belongs to the Hammond 166 series of industrial control transformers. The series offers various voltage and wattage options to suit different low-power control circuit needs. The 166G5 represents the lower end of the power spectrum in this lineup, focusing on minimal footprint and basic isolation functions for small-scale industrial electronics.

Replacement Considerations

Check datasheets for alternative models with identical 2.5 VA ratings and 5V CT outputs. Verify that any substitute maintains the same chassis mounting hole pattern and overall envelope dimensions. Ensure the replacement also uses wire leads and matches the 115V primary specification to avoid rewiring.