
AC Transformer 9V 500mA, 220VAC Input
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Prices updated: 12 Oct 2026
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About this product
A 220 VAC to 9 VAC transformer rated for 500 mA, intended for power supply projects and DIY electronics. It provides a low-voltage AC source for feeding a rectifier, filter and regulator stage in small builds. Its approximate rating is 4.5 VA (9 V × 0.5 A).
Specifications
- Input voltage
- 220 VAC / 220 فولت تيار متردد
- Output voltage
- 9 VAC / 9 فولت تيار متردد
- Output current
- 500 mA / 500 مللي أمبير
- Approximate rating
- 4.5 VA / 4.5 فولت أمبير
Frequently asked questions
Does it give a DC output?
No, the output is AC. To get DC, add a bridge rectifier and a filter capacitor, then a voltage regulator if you need a fixed voltage such as 5 V.
Is it safe to connect to mains?
The primary side is connected to 220 V mains. Mount it inside a proper enclosure, keep the mains terminals insulated, and never touch the primary side while it is powered.





