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Product Detailed Parameters
- Description：PWR XFMR TOROIDAL 250VA CHAS MT
- Series：VTX-146-xxx-2xx
- Mfr：Vigortronix
- Package：Bulk
- Type：Toroidal
- Voltage - Primary：115V, 230V
- Voltage - Secondary (Full Load)：Parallel 18V, Series 36V
- Current - Output (Max)：5A
- Primary Winding(s)：Dual
- Secondary Winding(s)：Dual
- Center Tap：No
- Power - Max：250VA
- Mounting Type：Chassis Mount
- Termination Style：Wire Leads
- Size / Dimension：119.00mm Dia
- Height - Seated (Max)：51.0mm
- Voltage - Isolation：4200Vrms
- Weight：5.3 lbs (2.4 kg)
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Overview
The Vigortronix VTX-146-250-225 is a 250VA open-style toroidal power transformer designed for chassis mounting. It features dual primary windings rated at 115V and 230V, providing versatile input compatibility. The secondary configuration offers parallel output of 25V or series output of 50V under full load conditions. Constructed with wire lead terminations, this component ensures reliable voltage transformation for industrial applications requiring high efficiency and stable performance.
Feature Summary
- Dual primary winding design supports both 115V and 230V AC input configurations
- Open-style toroidal core construction optimizes magnetic flux and reduces electromagnetic interference
- Flexible secondary output allows selection between parallel 25V or series 50V operation
- Wire lead termination style facilitates direct integration into custom chassis assemblies
Applications
- Industrial control systems requiring isolated power conversion
- Audio equipment power supplies needing low noise characteristics
- Medical instrumentation demanding high reliability and safety isolation
- Test and measurement devices utilizing precise voltage regulation
Procurement Notes
Verify that the specific application requires the 250VA rating and the exact secondary voltage configuration (parallel 25V or series 50V). Confirm chassis mounting dimensions and wire lead lengths match the enclosure design. Ensure input voltage matches either 115V or 230V as per the dual primary specification before finalizing the order to prevent operational mismatch.
Selection Notes
Select this model when a robust, high-power toroidal transformer is needed for chassis-mounted installations. The dual primary winding provides flexibility for global deployment across different mains voltages. Consider the physical size and weight constraints, as toroidal transformers are dense. This part is suitable for applications prioritizing efficiency and thermal stability over compact PCB footprint requirements.
Part Context
This component belongs to the Vigortronix VTX-146 series, which specializes in open-style toroidal transformers. The series is characterized by high-quality construction and dual winding capabilities. These transformers are engineered for durability and consistent performance in demanding environments, serving as critical power conversion elements in various electronic systems.
Replacement Considerations
Direct substitutes must match the 250VA power rating, toroidal form factor, and dual primary/secondary electrical specifications. Verify that any alternative part supports the same chassis mounting method and wire lead termination style to ensure mechanical compatibility without redesigning the enclosure.
