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Product Detailed Parameters
- Description：PWR XFMR TOROIDAL 300VA CHAS MT
- Series：VTX-146-xxx-1xx
- Mfr：Vigortronix
- Package：Bulk
- Type：Toroidal
- Voltage - Primary：230V
- Voltage - Secondary (Full Load)：Parallel 30V, Series 60V
- Current - Output (Max)：5A
- Primary Winding(s)：Single
- Secondary Winding(s)：Dual
- Center Tap：No
- Power - Max：300VA
- Mounting Type：Chassis Mount
- Termination Style：Wire Leads
- Size / Dimension：125.00mm Dia
- Height - Seated (Max)：55.00mm
- Voltage - Isolation：4200Vrms
- Weight：6.2 lbs (2.8 kg)
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Overview
The Vigortronix VTX-146-300-130 is a 300VA toroidal transformer designed for mains applications. It features a single 230V AC primary winding and dual secondary windings providing 0-30V AC output. The unit includes an internal thermal fuse for safety protection and comes with a mounting kit for chassis installation. Electrical compliance includes UL, CSA, TUV, and EN60950/EN60065 standards. The maximum seated height is 55.00mm, and it utilizes 150mm lead lengths for connection.
Feature Summary
- Toroidal core construction for efficient magnetic coupling
- Integrated internal thermal fuse for overtemperature protection
- Open style design suitable for chassis mounting
- Dual secondary windings allowing flexible voltage configuration
Applications
- Audio amplifier power supplies
- Industrial control equipment
- Test and measurement instrumentation
Procurement Notes
Verify the specific model suffix to confirm secondary voltage ratings, as variations exist within the series. Ensure the required mounting hardware is included or sourced separately. Confirm that the 230V primary rating matches the local mains supply frequency and voltage. Check compliance certifications against specific regional regulatory requirements before finalizing procurement orders.
Selection Notes
Select this component when a high-efficiency toroidal topology is required for 300VA power handling. Consider the physical dimensions and seated height constraints of the enclosure. Evaluate the need for dual secondary outputs versus a single higher-voltage alternative. Verify that the lead length meets the wiring distance requirements within the assembly.
Part Context
This part belongs to the Vigortronix VTX series of toroidal transformers. These components are characterized by low noise and compact size relative to laminated cores. The series offers various VA ratings and voltage configurations to suit diverse electronic design needs.
Replacement Considerations
Direct substitutes include the VTX-146-300-135, which shares the same VA rating and primary specifications but provides 0-35V secondaries instead of 0-30V. Ensure mechanical fit and electrical compatibility before swapping models.
FAQ
Does this transformer have a center tap on the secondary windings?
No, the specifications indicate no center tap is described for adaptable configuration.
What safety certifications does this transformer hold?
It is compliant with UL, CSA, TUV, EN60950, and EN60065 standards.
