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Product Detailed Parameters
- Description：PWR XFMR TOROIDAL 225VA 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)：4.5A
- Primary Winding(s)：Dual
- Secondary Winding(s)：Dual
- Center Tap：No
- Power - Max：225VA
- Mounting Type：Chassis Mount
- Termination Style：Wire Leads
- Size / Dimension：110.00mm Dia
- Height - Seated (Max)：51.0mm
- Voltage - Isolation：4200Vrms
- Weight：4.9 lbs (2.2 kg)
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Overview
The Vigortronix VTX-146-225-225 is a 225VA open-style toroidal power transformer designed for chassis mounting. It features dual primary windings rated for 115V and 230V operation in parallel configuration. The secondary side provides dual 25V windings that can be connected in series to yield 50V, supporting a nominal current of 4.5A. This component undergoes 100% electrical and flash testing to ensure reliability.
Feature Summary
- Open-style toroidal core construction for efficient magnetic coupling
- Dual primary windings allowing flexible 115V or 230V input selection
- Dual secondary windings enabling versatile voltage output configurations
- Includes mounting kit for secure chassis installation
Applications
- Audio amplifier power supplies
- Industrial control equipment
- Test and measurement instruments
Procurement Notes
Verify the specific winding configuration required for your application, as the secondary can be wired in series or parallel depending on voltage needs. Confirm that the chassis mounting holes align with your enclosure design. Ensure the input voltage matches the dual primary rating before procurement. Check compliance requirements such as RoHS status if applicable to your region.
Selection Notes
Select this model when a 225VA capacity is needed with a 50V DC equivalent output after rectification. Consider the physical dimensions of the open toroid to ensure adequate clearance for heat dissipation. Verify that the 4.5A current rating meets the peak load demands of the downstream circuitry without exceeding thermal limits.
Part Context
This part belongs to the Vigortronix VTX series of PCB and chassis-mounted toroidal transformers. It shares the open-style design philosophy with other models in the line but differs in VA rating and winding specifications. Similar parts include higher capacity variants like the VTX-146-625-225, which offers greater power handling while maintaining similar secondary voltage characteristics.
Replacement Considerations
Direct substitutes must match the 225VA rating, dual 25V secondary configuration, and dual primary input capability. Ensure the replacement unit supports the same chassis mounting footprint. Verify that the new component also undergoes full electrical testing to maintain system reliability standards.
