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Product Detailed Parameters
- Description：PWR XFMR TOROIDAL 30VA CHAS MT
- Series：VTX-146-xxx-2xx
- Mfr：Vigortronix
- Package：Bulk
- Type：Toroidal
- Voltage - Primary：115V, 230V
- Voltage - Secondary (Full Load)：Parallel 25V, Series 50V
- Current - Output (Max)：600mA
- Primary Winding(s)：Dual
- Secondary Winding(s)：Dual
- Center Tap：No
- Power - Max：30VA
- Mounting Type：Chassis Mount
- Termination Style：Wire Leads
- Size / Dimension：74.00mm Dia
- Height - Seated (Max)：33.00mm
- Voltage - Isolation：4200Vrms
- Weight：1.102 lbs (500 g)
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Overview
The Vigortronix VTX-146-030-225 is a 30 VA toroidal power transformer designed for open-style mounting. It features dual primary windings supporting 115V and 230V input configurations. The secondary output consists of two independent 25V windings, providing a maximum current capacity of 600mA per winding. These secondary coils can be configured in parallel to deliver 25V at higher current or in series to produce 50V. This component serves as a core voltage conversion element in electronic power supply architectures.
Feature Summary
- Toroidal core construction for efficient magnetic coupling
- Dual primary winding capability for versatile input voltage compatibility
- Dual secondary windings allowing flexible series or parallel configuration
Applications
- General purpose AC power supply units
- Audio amplifier power stages
- Electronic test equipment power systems
- Industrial control circuit transformers
Procurement Notes
Verify the specific datasheet version against the manufacturer's official documentation to confirm exact physical dimensions and terminal specifications. Ensure that the required input voltage matches the dual primary design capabilities. Confirm that the load current requirements do not exceed the 600mA rating per secondary winding to maintain safe operating temperatures and performance integrity.
Selection Notes
Select this model when a compact toroidal form factor is required alongside flexible secondary voltage options. The dual primary design accommodates regions with varying standard line voltages without requiring separate part numbers. Consider the 30 VA power rating relative to the total system load to ensure adequate thermal headroom and stable voltage regulation under full load conditions.
Part Context
This component belongs to the Vigortronix VTX series of PCB-mountable toroidal transformers. The series is characterized by open-style construction suitable for integration into various electronic assemblies. The VTX-146-030-225 specifically addresses applications needing reliable isolation and voltage transformation within a constrained spatial footprint.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. When replacing this unit, ensure the new component matches the 30 VA rating, 115/230V dual primary input, and 2x25V dual secondary output specifications exactly.
