183J28-BULK

Power Transformers Overview

The Hammond Manufacturing 183J28-BULK is a laminated core power transformer from the 183 series, designed for low voltage PCB mounting. It features dual primary windings supporting universal operation at 115V and 230V in parallel configuration. The secondary output provides a center-tapped 28V AC with a maximum power rating of 30VA. Electrical specifications include a current capacity of 1.06A per leg (2.12A total) and an isolation voltage of 4000Vrms. The unit weighs approximately 0.9 lbs (0.41 kg) and operates at frequencies of 50 Hz or 60 Hz.

Power Transformers Feature Summary

• Dual primary winding design enables universal input voltage compatibility for global deployment.
• Center-tapped secondary architecture facilitates split-rail power supply circuit topologies.
• Laminated core construction ensures efficient magnetic flux transfer with minimal energy loss.

Power Transformers Applications

• Industrial control panel power distribution
• Low voltage electronic equipment power supplies
• PCB-mounted instrumentation systems

Power Transformers Procurement Notes

Verify that the specific part number suffix matches the required electrical parameters, as bulk packaging variants may differ from standard retail units. Confirm compliance with relevant safety standards such as UL or IEC before integration. Ensure the procurement channel is authorized to guarantee product authenticity and access to accurate technical documentation. Cross-reference the datasheet for any updates regarding environmental regulations or material composition changes.

Power Transformers Selection Notes

Select this model when a 30VA rating and 28V center-tapped output are required for PCB-based applications. The dual primary feature simplifies inventory management for products sold in multiple regions. Consider the physical dimensions and weight constraints relative to the enclosure design. Evaluate thermal performance requirements against the open-frame construction to determine if additional cooling measures are necessary for the final assembly.

Power Transformers Part Context

This component belongs to the Hammond 183 series, which offers various VA ratings and output voltages. The 183J28 specifically addresses the need for moderate power density in compact PCB layouts. It complements other models in the family by providing a standardized form factor for industrial automation and general-purpose electronics where reliable isolated power conversion is critical.

Power Transformers Replacement Considerations

The Signal Transformer 14A-5.0R-28 is documented as a similar alternative. Verify that the substitute meets the exact 30VA rating and 28V CT specification. Check mechanical footprint compatibility to ensure it fits the existing PCB layout without modification.