Transformer 220V 0-12V (300mA)

Specifications

1. Primary Voltage:
   • The transformer is intended for connection to a primary voltage supply of 220V AC, commonly used in many countries’ electrical systems.
2. Secondary Voltage:
   • The output voltage on the secondary side can be variable, ranging from 0V to 12V AC. This allows for flexibility in use, as the output can be adjusted or tapped to meet specific voltage requirements.
3. Current Rating:
   • The transformer is rated for a maximum output of 300mA (0.3A). This indicates that it can safely provide a current of up to 300 milliamperes without overheating or sustaining damage.
4. Winding Configuration:
   • The transformer includes two coils: a primary winding connected to the high voltage input and a secondary winding that delivers the lower voltage output. The winding turns ratio determines the voltage reduction.
5. Core Material:
   • Typically made with a laminated silicon steel core or ferrite core to minimize energy losses due to eddy currents, thus improving efficiency.
6. Physical Design:
   • Depending on the application and design, this transformer can come in various forms—such as encapsulated for safety or exposed for easier integration into circuits.
7. Isolation and Safety:
   • The transformer provides galvanic isolation between the primary and secondary windings, which is crucial for safety. This insulation prevents electrical shocks and is a vital safety feature.

Applications

• Power Supply for Electronics: Used to provide power to low-voltage electronic devices, circuits, and components that require a reduced voltage.
• LED Strip Lighting: Often utilized in applications involving LED lighting, where the devices operate at lower voltages, typically 12V or less.
• Low-Voltage Appliances: Suitable for powering low-voltage household appliances or tools that necessitate reduced voltage operation.
• Hobbyist Projects: An ideal choice for DIY electronics enthusiasts and hobbyists, allowing for experimentation with low-voltage applications and circuits.
• Small Battery Chargers: Can be employed in battery charging circuits, particularly for batteries rated at 12V or lower.

Important Considerations

• Load Limitations: It’s crucial to ensure that the load connected to the transformer does not exceed 300mA, as doing so could lead to overheating or failure.
• Cooling and Ventilation: Proper airflow around the transformer is necessary to dissipate heat during operation, particularly if used at or near its maximum load.
• Rating Compliance: Always check that the transformer meets local safety regulations and standards, particularly if integrated into more extensive systems or sold commercially.
• Stability and Regulation: For applications requiring stable voltage, consider the need for additional regulation components, as transformers can exhibit voltage variations depending on the load.

This transformer is a useful component for various low-voltage applications, ensuring efficiency and safety in transforming higher voltage supplies for specific electronic needs.