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500mA Transformer 12-0-12

SKU: 1YQR2BG5CF
The 12-0-12 500mA Transformer is a compact center-tapped step-down transformer designed to convert high AC mains voltage into a lower AC voltage suitable for electronic circuits and power supply applications. Featuring a 12V-0V-12V center-tapped secondary winding, this transformer provides flexible output options, allowing users to obtain either 12V AC or 24V AC depending on the connection configuration. With a current...
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Specifications

Specifications:

Transformer Type: Step-Down Center-Tapped Transformer
Primary Voltage: 220Vā€“240V AC (Typical)
Secondary Voltage: 12V-0V-12V AC
Output Voltage Across Outer Terminals: 24V AC
Rated Current: 500mA (0.5A)
Power Rating: 12VA (Approx.)
Frequency: 50Hz / 60Hz
Insulation Type: Class B or Equivalent
Isolation: Primary-to-Secondary Electrical Isolation
Core Type: Laminated EI Core
Winding Material: Copper
Mounting Type: Chassis Mount
Terminal Type: Wire Leads or Solder Lugs
Cooling Method: Natural Air Cooling

Additional Resources

12-0-12 500mA Transformer.PDF

FAQ

1. What is a 12-0-12 500mA Transformer?

A 12-0-12 500mA Transformer is a center-tapped step-down transformer that converts high AC mains voltage into a lower AC output of 12V-0V-12V. It can supply up to 500mA (0.5A) of current and is commonly used in low-power electronic circuits and power supplies.

2. What does the center tap in a 12-0-12 transformer do?

The center tap divides the secondary winding into two equal 12V sections. This allows the transformer to provide 12V AC from either side to the center tap or 24V AC across the two outer terminals, making it useful for dual-voltage and full-wave rectifier circuits.

3. What are the common applications of a 12-0-12 500mA transformer?

This transformer is widely used in regulated power supplies, audio preamplifiers, battery chargers, educational electronics projects, signal processing circuits, and low-power control systems.

4. Can the transformer be used to create a dual-polarity power supply?

Yes. The center-tapped output allows designers to generate positive and negative DC voltages after rectification and filtering, making it ideal for op-amp circuits, audio amplifiers, and analog electronics.

5. What are the advantages of using a 12-0-12 500mA transformer?

The transformer provides electrical isolation from the mains supply, offers multiple output voltage options, supports full-wave rectification, delivers stable AC output, and is compact and reliable for low-power electronic applications.

View full product details

The 12-0-12 500mA Transformer is a compact center-tapped step-down transformer designed to convert high AC mains voltage into a lower AC voltage suitable for electronic circuits and power supply applications. Featuring a 12V-0V-12V center-tapped secondary winding, this transformer provides flexible output options, allowing users to obtain either 12V AC or 24V AC depending on the connection configuration.

With a current rating of 500mA (0.5A), the transformer is ideal for low-power applications such as regulated power supplies, audio circuits, educational projects, battery chargers, instrumentation equipment, and control systems. The center-tapped design makes it especially useful for creating dual-polarity power supplies and full-wave rectifier circuits.

Built with quality copper windings and a laminated iron core, the transformer offers reliable performance, electrical isolation, and long service life. It is widely used by students, hobbyists, and engineers for powering various electronic devices and prototypes.

Features

  • Center-tapped secondary winding (12-0-12V)
  • Delivers both 12V AC and 24V AC outputs
  • Maximum output current of 500mA
  • Provides electrical isolation from mains voltage
  • High-quality copper winding construction
  • Laminated iron core for efficient operation
  • Suitable for full-wave rectifier circuits
  • Compact and durable design
  • Reliable and long-lasting performance
  • Ideal for low-power electronic applications