Description
The 9V–600mA AC Step-Down Center-Tapped Transformer (9V-0-9V) is a reliable mains isolation transformer designed to safely step down high AC mains voltage to a low-voltage AC output for electronic circuits and power supply applications.
Featuring a center-tapped secondary winding, this transformer provides 9V-0-9V AC output, making it suitable for creating dual-polarity power supplies (±9V after rectification and regulation), battery chargers, audio amplifiers, operational amplifier circuits, and other analog electronics projects.
Built with high-quality laminated silicon steel cores and copper windings, the transformer offers excellent efficiency, low heat generation, and stable voltage output under load. Its compact design makes it easy to integrate into custom power supply enclosures and electronic equipment.
The transformer provides electrical isolation between the mains supply and the low-voltage output, enhancing safety for both users and connected electronic circuits.
Key Features
- Center-tapped secondary winding (9V-0-9V AC)
- Output current up to 600mA
- Reliable AC step-down transformer
- Excellent electrical isolation
- High-quality copper windings
- Laminated silicon steel core
- Low heat generation
- Stable voltage output
- Suitable for PCB or chassis mounting (depending on model)
- Ideal for DIY and educational electronics
Technical Specifications
- Product Type: AC Step-Down Transformer
- Primary Voltage:
- 220–240V AC, 50/60Hz (model dependent)
- Some versions support 110–120V AC
- Secondary Voltage:
- 9V-0-9V AC (Center-Tapped)
- Output Current:
- 600mA
- Output Power:
- Approximately 10.8VA
- Frequency:
- 50/60Hz
- Core Type:
- Laminated EI Core
- Winding Material:
- Copper
- Insulation:
- High-temperature insulating material
- Mounting Type:
- Chassis Mount / PCB Mount (depending on model)
- Output Leads:
- Primary: 2 Leads
- Secondary: 3 Leads (9V – Center Tap – 9V)
Package Includes
- 1 × 9V–600mA AC Step-Down Center-Tapped Transformer (9V-0-9V)
Applications
- Linear regulated power supplies
- Dual-voltage power supply circuits
- Audio amplifier power supplies
- Operational amplifier projects
- Battery charging circuits
- DIY electronics
- Laboratory power supply projects
- Educational electronics experiments
- Analog circuit development
- Embedded system power supplies
Benefits
- Provides safe mains isolation
- Stable and reliable AC voltage output
- Ideal for dual-polarity power supplies
- Durable construction for long service life
- Low noise and efficient operation
- Suitable for students, hobbyists, and professional engineers
Why Choose This 9V-0-9V Center-Tapped Transformer?
The 9V–600mA AC Step-Down Center-Tapped Transformer is an excellent choice for powering analog and digital electronic circuits that require a reliable low-voltage AC source. With its center-tapped design, robust construction, and dependable performance, it is ideal for building regulated power supplies, audio equipment, educational projects, and a wide range of DIY electronics applications.










