3FD-212

Power Transformers Overview

The Tamura 3FD-212 is a laminated core power transformer designed for through-hole mounting. It features dual primary windings rated for 115V and 230V parallel operation, and dual secondary windings providing 6.3V in parallel or 12.6V in series configurations. The unit has a maximum power rating of 1.1VA with current outputs of 180mA in parallel and 90mA in series. It offers 2500Vrms isolation voltage and measures 35.56mm in length, 31.00mm in width, and up to 25.40mm in height.

Power Transformers Feature Summary

• Dual primary and secondary winding configurations support flexible voltage input and output arrangements.
• Laminated core construction provides efficient magnetic coupling for standard power applications.
• Through-hole PC pin termination ensures secure mechanical attachment to printed circuit boards.

Power Transformers Applications

• General purpose AC power supply circuits
• Industrial control panel power distribution
• Consumer electronics internal power conversion

Power Transformers Procurement Notes

Verify the specific suffix or variant against the manufacturer's official datasheet to ensure compatibility with required voltage ratings and physical dimensions. Confirm RoHS compliance status and moisture sensitivity level requirements prior to integration into the assembly process.

Power Transformers Selection Notes

Select this component when a low-power, board-mounted solution is required for stepping down standard line voltages. Ensure the PCB layout accommodates the specified through-hole pitch and overall envelope dimensions while maintaining adequate clearance for the 2500Vrms isolation barrier.

Power Transformers Part Context

This model belongs to the 3FD-2xx series of power transformers from Tamura Corporation. These components are engineered for reliable performance in compact electronic assemblies where space constraints and thermal efficiency are critical design factors for power management systems.

Power Transformers Replacement Considerations

The Microtran PSD2-12 is documented as a compatible substitute part number. Verify electrical parameters and mechanical footprint alignment before implementation.