
220V to 12VAC 300mA EI Step-Down Transformer - Single Secondary
Prices updated: 13 Oct 2026
Compare prices
| Store | product | Price | View in store |
|---|---|---|---|
Microohm | 220V to 12VAC 300mA EI Step-Down Transformer (Single Secondary) | 85 EGP100 | View in store |
Price history
Lowest daily price, last 90 days
Lowest price recorded: 85 EGP
About this product
A 220 V to 12 VAC EI step-down transformer with a single secondary winding rated at 300 mA. Used for small low-voltage AC supplies, for example as the source for a 12 V DC supply after rectification and regulation in simple electronics and control circuits.
Specifications
- Core type
- EI
- Primary voltage
- 220 V AC
- Secondary voltage
- 12 V AC (single winding)
- Current rating
- 300 mA
- Estimated no-load DC after bridge
- ≈ 15.6 V
Frequently asked questions
What is the price of 220V to 12VAC 300mA EI Step-Down Transformer - Single Secondary in Egypt?
220V to 12VAC 300mA EI Step-Down Transformer - Single Secondary currently costs 85 EGP in Egypt.
Where can I buy 220V to 12VAC 300mA EI Step-Down Transformer - Single Secondary in Egypt?
220V to 12VAC 300mA EI Step-Down Transformer - Single Secondary is available from Microohm. Compare the offers above to find the best price.
Can I get a regulated 12 V DC from this transformer?
Yes, with a bridge rectifier, a filter capacitor and a 7812 regulator. The unregulated DC will be about 15.6 V with no load, so keep the input to the 7812 above roughly 14.5 V under load.
Does this transformer have a center tap?
No. It has a single 12 VAC secondary winding. For a dual-rail ±V supply, use a center-tapped model such as the 24-0-24 VAC transformer.





