🔌 12-0-12 Volt 1A Transformer (Center-Tapped Step-Down Transformer)

📦 Product Overview

The 12-0-12 Volt 1A Transformer is a reliable step-down transformer designed to convert 220V AC input into 12V-0-12V AC output with a maximum current capacity of 1 Ampere. It features a center-tapped secondary winding, making it ideal for dual DC power supply circuits and medium-load electronic applications.

This transformer is commonly used in power supply units, amplifier circuits, DIY electronics, and laboratory projects.

⚡ Electrical Specifications

🔄 What Does 12-0-12 Mean?

The transformer provides:

• 12V AC between one 12V terminal and center (0)

• 12V AC between the other 12V terminal and center (0)

• 24V AC between both 12V terminals

This configuration allows:

✔ ±12V DC power supply (after rectification)
✔ 24V DC supply option
✔ Dual rail power supply circuits

🏗 Physical Features

⭐ Key Features

✔ Stable voltage output
✔ Medium current capacity (1A)
✔ Durable laminated core design
✔ Easy installation
✔ Suitable for continuous operation
✔ Compact and lightweight

🛠 Applications

This 1A transformer is ideal for:

• Audio amplifier power supply

• DC regulated power supply circuits

• DIY electronics projects

• Battery charging circuits

• Small inverter circuits

• Laboratory experiments

• Educational training kits

🔧 DC Conversion Example

To obtain DC output:

1. Connect secondary to bridge rectifier

2. Add smoothing capacitor

3. Use voltage regulator (e.g., 7812 / 7912)

You can create:

• +12V DC

• −12V DC

• 24V DC

⚠ Safety Guidelines

• Use fuse protection on primary side

• Do not exceed 1A load

• Ensure proper insulation

• Avoid short circuit

• Mount securely to avoid vibration

🏆 Advantages

✔ Reliable and affordable
✔ Ideal for medium-power circuits
✔ Better current capacity than 600mA version
✔ Suitable for dual supply projects