VTX-120-012-509

Power Transformers Overview

The VTX-120-012-509 is a 12VA PCB-mount isolation transformer with an open frame design. It features dual primary windings supporting 110V, 220V, and 240VAC inputs at 50Hz or 60Hz frequencies. The unit provides two secondary outputs, each delivering 9VAC. Constructed for through-hole mounting, it offers 3750V isolation between windings. The component measures 45mm in width and complies with RoHS standards, ensuring suitability for safety isolating applications in electronic systems requiring reliable mains voltage conversion.

Power Transformers Feature Summary

• Dual primary winding configuration supports multiple input voltages including 110V, 220V, and 240VAC
• Provides dual secondary outputs of 9VAC for versatile power distribution
• Offers 3750V electrical isolation between primary and secondary circuits
• Designed for direct PCB through-hole mounting with an open frame structure

Power Transformers Applications

• Safety isolating transformers in industrial control panels
• Power supply units for electronic test equipment
• Mains voltage conversion in consumer appliance circuits
• General purpose isolation in machinery tool accessories

Power Transformers Procurement Notes

Verify the specific datasheet version to confirm current compliance status and dimensional tolerances. Ensure the application environment matches the specified frequency range of 50Hz/60Hz. Confirm that the 12VA rating aligns with the load requirements of the target circuit. Check for any regional certification marks required for the deployment location. Validate that the open frame design meets the enclosure thermal and safety constraints of the final assembly.

Power Transformers Selection Notes

Select this component when a robust isolation transformer with dual secondary outputs is required. The dual primary capability allows flexibility across different global mains voltages without changing hardware. The 12VA power rating suits moderate load applications. Consider the physical dimensions and through-hole mounting style during PCB layout. This part is suitable where high isolation voltage and standard AC voltage transformation are critical design factors.

Power Transformers Part Context

This model belongs to Vigortronix's VTX series of PCB-mounted transformers. These components are engineered for reliability in safety-critical isolation applications. The series typically emphasizes high insulation resistance and stable performance under continuous operation. The VTX-120-012-509 specifically addresses needs for multi-voltage input compatibility and dual output generation within a compact open-frame footprint.

Power Transformers Replacement Considerations

Cross-reference tools may identify parametrically similar parts from other manufacturers. Verify that any substitute maintains the 12VA rating, 3750V isolation, and identical pinout configuration. Ensure the replacement also supports the required 110V/220V/240VAC input range. Confirm that the physical mounting dimensions and lead spacing match the existing PCB layout to avoid mechanical integration issues.