
9V-0-9V 300mA Center-Tapped Transformer, 220VAC Primary
Prices updated: 14 Oct 2026
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| Store | product | Price | View in store |
|---|---|---|---|
Microohm | Transformer 9V‑0‑9V 300mA Center‑Tapped Transformer (220VAC Primary) | 85 EGP100 | View in store |
Price history
Lowest daily price, last 90 days
Lowest price recorded: 85 EGP
About this product
A center-tapped EI-core transformer with a 220 VAC primary and a 9V-0-9V secondary rated at 300 mA, about 5.4 VA. The center tap allows full-wave rectification with two diodes or a bridge, for small linear power supplies. It suits low-power projects that need dual 9 V rails with a common 0 V reference.
Specifications
- Primary voltage
- 220 V AC
- Secondary voltage
- 9 V - 0 - 9 V (center-tapped)
- Rated current
- 300 mA
- Power rating
- About 5.4 VA
- Core type
- EI
Frequently asked questions
What is the price of 9V-0-9V 300mA Center-Tapped Transformer, 220VAC Primary in Egypt?
9V-0-9V 300mA Center-Tapped Transformer, 220VAC Primary currently costs 85 EGP in Egypt.
Where can I buy 9V-0-9V 300mA Center-Tapped Transformer, 220VAC Primary in Egypt?
9V-0-9V 300mA Center-Tapped Transformer, 220VAC Primary is available from Microohm. Compare the offers above to find the best price.
How do I build a DC supply from it?
Use the center tap as 0 V. Rectify each half of the secondary with a diode in a full-wave circuit, or use a bridge rectifier, then filter with a capacitor. A linear regulator can follow if you need a fixed output. Output DC will be lower than the peak voltage because of diode drops and ripple.
Can I connect the primary to a different mains voltage?
The primary is rated for 220 VAC, which matches Egyptian mains. Do not connect it to other voltages. Mains wiring should be fused, enclosed and disconnected before any work on the circuit.





