A 12-0-12V 1A center-tapped transformer is a type of step-down transformer designed to convert high-voltage AC (alternating current) from the mains supply into a lower-voltage AC suitable for powering electronic devices. The "12-0-12V" designation indicates that the transformer has a center-tapped secondary winding, providing two 12V outputs with a common center tap at 0V. This configuration is particularly useful in applications requiring dual-polarity power supplies or full-wave rectification circuits.
Key Features and Specifications:
Input Voltage: Typically 220V AC at 50Hz, aligning with standard mains electricity in many regions.
Output Voltage: Two 12V AC outputs with a center tap at 0V, allowing for various configurations in power supply designs.
Output Current: Capable of supplying up to 1 ampere (1A), suitable for powering small to medium-sized electronic projects.
Mounting Type: Often designed for vertical mounting, facilitating easy integration into various enclosures.
Applications:
Center-tapped transformers are commonly used in:
Power Supply Circuits: Providing the necessary AC voltage for rectification and regulation to supply DC power to electronic devices.
Audio Amplifiers: Supplying dual-polarity voltages required for balanced audio signals.
Battery Chargers: Serving as the initial stage in charging circuits for lead-acid or other rechargeable batteries.
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