183H16

Power Transformers Overview

The Hammond Manufacturing 183H16 is a low-voltage power transformer designed for PCB mounting. It features dual primary windings rated for 115 VAC and 230 VAC operation at 50 Hz/60 Hz frequencies. The secondary configuration provides a center-tapped output of 16 VAC with a maximum current rating of 1.25 A, delivering a total power capacity of 20 VA. Constructed with a laminated core, the unit utilizes through-hole solder pin termination for secure board attachment. Physical dimensions are approximately 57.15 mm in length, 47.63 mm in width, and 41.28 mm in height, weighing 408.23 g. It operates within a temperature range of 0°C to +155°C.

Power Transformers Feature Summary

• Dual primary winding design supports universal input voltage selection between 115V and 230V AC.
• Center-tapped secondary winding provides symmetrical voltage distribution for rectification circuits.
• Laminated core construction ensures efficient magnetic coupling and thermal stability.
• Through-hole solder pin termination facilitates robust mechanical and electrical connection to printed circuit boards.

Power Transformers Applications

• Low voltage power supply units requiring isolated AC inputs
• Electronic equipment utilizing full-wave or bridge rectifier configurations
• Industrial control panels needing compact step-down transformation
• Audio amplifier power stages requiring balanced secondary outputs

Power Transformers Procurement Notes

Verify the specific suffix designation against the manufacturer's official datasheet to confirm exact electrical tolerances and insulation class. Ensure the procurement channel sources genuine Hammond Manufacturing components to guarantee compliance with RoHS directives and operational safety standards. Cross-reference the part number with authorized distributor catalogs to validate authenticity and traceability before finalizing orders.

Power Transformers Selection Notes

Select this component when a 20 VA capacity with a 16V center-tapped secondary is required for PCB-integrated power systems. Confirm that the physical footprint of 57.15 mm by 47.63 mm fits within the designated enclosure space. Validate that the operating environment remains within the specified temperature limits and that the through-hole mounting style aligns with the assembly process capabilities.

Power Transformers Part Context

This transformer belongs to the Hammond 183 Series, which specializes in low-voltage PCB mount power transformers. The series offers various power ratings and voltage configurations to support diverse electronic design requirements. The 183H16 specifically addresses applications needing moderate power isolation with standard line voltages, providing a reliable solution for commercial and industrial electronic assemblies.

Power Transformers Replacement Considerations

Signal Transformer part number 14A-20-16 is documented as a similar replacement option. Verify dimensional compatibility and electrical parameter alignment before substitution.

Power Transformers FAQ

What is the isolation voltage rating of the 183H16?

The transformer provides an isolation voltage of 4000 Vrms between the primary and secondary windings.

Does the 183H16 have a center-tapped secondary?

Yes, the secondary winding is center-tapped, providing two 8V outputs relative to the center tap, totaling 16V.