0-9V 300mA Step Down Transformer (9V AC PCB Mount Transformer)

The 0-9V 300mA Step Down Transformer is a compact and reliable transformer designed to convert 230V AC mains voltage into a safe 9V AC output. With a maximum output current of 300mA, it is ideal for low-power power supplies, battery chargers, control circuits, instrumentation, embedded systems, and educational electronic projects. The transformer provides excellent electrical isolation between the primary and secondary windings, ensuring safe, stable, and low-noise operation.

Its durable construction and dependable performance make it suitable for PCB-mounted and chassis-mounted power supply applications requiring a reliable low-voltage AC source.

Key Features -

• Steps down 230V AC to 9V AC

• Maximum output current of 300mA

• Provides galvanic isolation between input and output

• Stable and reliable AC output

• Compact and durable construction

• Low-noise operation

• Suitable for continuous use

• Easy PCB or chassis mounting

• Long service life

Specifications -

• Product Type: Step Down Transformer

• Primary Voltage: 230V AC

• Secondary Voltage: 0-9V AC

• Output Current: 300mA Max

• Frequency: 50Hz / 60Hz

• Power Rating: 2.7VA

• Insulation Type: Double Insulated Windings

• Mounting Type: PCB Mount / Chassis Mount (Model Dependent)

Applications -

• Linear power supply circuits

• Battery charger circuits

• Embedded electronic systems

• Industrial control circuits

• Instrumentation equipment

• Educational and laboratory projects

• DIY electronic projects

• Relay driver circuits

• Low-voltage AC applications