14A-20-12

Overview

The Signal Transformer 14A-20-12 is a laminated core power transformer designed for board mount applications. It features dual primary windings rated for 115 VAC and 230 VAC operation at 50/60 Hz frequencies. The secondary configuration provides dual outputs of 6.3 VAC and 12.6 VAC center-tapped, supporting parallel currents of 3.2 A or series currents of 1.6 A. With a total power rating of 20 VA, it utilizes PC pin termination for through-hole installation.

Feature Summary

• Dual primary winding capability for flexible voltage input selection
• Dual secondary winding design enabling versatile output configurations
• Laminated core construction for standard power transformation

Applications

• General purpose AC to DC rectifier circuits
• Industrial control panel power supplies
• Electronic equipment requiring isolated low voltage AC sources

Procurement Notes

Verify the specific datasheet version for the 14A-20-12 to confirm RoHS compliance status and exact dimensional tolerances. Ensure that the PCB footprint matches the PC pin spacing specifications provided in the official manufacturer documentation before finalizing assembly designs.

Selection Notes

Select this component when a 20 VA isolation transformer with dual primary flexibility is required for board-level integration. The dual secondary options allow designers to choose between higher current at lower voltage or lower current at higher voltage based on downstream circuit requirements.

Part Context

This model belongs to the 14A series of laminated core transformers from Signal Transformer. These components are engineered for reliable performance in general industrial and commercial electronic applications where standard line voltages must be stepped down and isolated.

Replacement Considerations

Consult official cross-reference lists for verified substitutes. Generic replacements may differ in mounting style or electrical ratings.