Transformer 220VAC to 9-0-9VAC 1A 3-Wire
Prices updated: 13 Oct 2026
Compare prices
| Store | product | Price | View in store |
|---|---|---|---|
 MicroohmCheapest | Transformer 220Vac to 9-0-9V AC 1A 3 Wire | 120 EGP150 | View in store |
 Most Electronics | Transformer 220Vac to 9-0-9Vac (1A) | 120 EGP159 | View in store |
 Circuits Electronics | Transformer (9 0 9 v 1000 mah) {high quality} | 130 EGP | View in store |
Price history
Lowest daily price, last 90 days
Lowest price recorded: 120 EGP
About this product
Center-tapped step-down transformer that converts 220 VAC mains to a 9-0-9 VAC secondary rated at 1 A, with three wires. The centre tap provides a common 0 V reference, making it suitable for dual-supply rectifier circuits. Mains connections must be insulated and enclosed.
Specifications
- Primary voltage
- 220 VAC
- Secondary voltage
- 9-0-9 VAC
- Rated current
- 1 A
- Wires
- 3
Frequently asked questions
What is the price of Transformer 220VAC to 9-0-9VAC 1A 3-Wire in Egypt?
Transformer 220VAC to 9-0-9VAC 1A 3-Wire currently costs between 120 and 130 EGP across 3 offers in Egypt.
Where can I buy Transformer 220VAC to 9-0-9VAC 1A 3-Wire in Egypt?
Transformer 220VAC to 9-0-9VAC 1A 3-Wire is available from Microohm, Most Electronics, and Circuits Electronics. Compare the offers above to find the best price.
What is the centre tap used for?
The centre wire is the common 0 V reference. Each outer wire gives 9 VAC relative to the centre, and a full-wave centre-tap rectifier can produce symmetrical positive and negative DC rails.
What voltage is available across the two outer wires?
Across the two outer wires you get 18 VAC in total. Between the centre tap and either outer wire you get 9 VAC.
