Center-Tapped Step-Down Transformer 220V to 9V-0-9V 1A
Prices updated: 13 Oct 2026
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| Store | product | Price | View in store |
|---|---|---|---|
 Makers Electronics | Center Tapped Step Down Transformer 220V 9V-0-9V 1A | 120 EGP | View in store |
Price history
Lowest daily price, last 90 days
Lowest price recorded: 120 EGP
About this product
A center-tapped step-down transformer that converts 220V AC mains to a 9V-0-9V AC secondary rated at 1A. The center tap provides a 0V reference for dual-polarity supplies, and the transformer is commonly used in amplifiers, motor controllers and battery chargers.
Specifications
- Primary voltage
- 220 V AC
- Secondary voltage
- 9V-0-9V AC
- Rated current
- 1 A
- Type
- Center-tapped step-down
Frequently asked questions
What is the price of Center-Tapped Step-Down Transformer 220V to 9V-0-9V 1A in Egypt?
Center-Tapped Step-Down Transformer 220V to 9V-0-9V 1A currently costs 120 EGP in Egypt.
Where can I buy Center-Tapped Step-Down Transformer 220V to 9V-0-9V 1A in Egypt?
Center-Tapped Step-Down Transformer 220V to 9V-0-9V 1A is available from Makers Electronics. Compare the offers above to find the best price.
How do I get a ±9V DC supply from this transformer?
Use the center tap as 0V, connect both secondary ends to a bridge rectifier, filter each rail with capacitors, then regulate with a 7809 (+9V) and a 7909 (-9V). Before regulation the DC peak is about 12.7V per side, minus diode drops.
What safety precautions are needed when connecting it to mains?
Put a fuse on the primary side, keep all mains connections insulated and enclosed, and disconnect power before working on the circuit. Never handle live mains wiring.
