Step Down Transformer 220-9V – 500mA
The Step Down Transformer 220V to 9V 500mA is an essential component used to safely reduce high-voltage AC input to a lower AC voltage suitable for electronic applications. It operates by electromagnetic induction, providing isolation between the high-voltage primary side and the low-voltage secondary side. This makes it a dependable choice for powering circuits that require stable and safe voltage levels.
This transformer is commonly used in power supply designs where AC voltage needs to be stepped down before rectification and regulation. It is ideal for DIY electronics, embedded systems, and educational projects. Its robust construction ensures durability and consistent performance, making it suitable for continuous operation in low-power applications.
Features:
- Converts high AC voltage to low AC voltage.
- Provides electrical isolation between input and output.
- Durable and long-lasting construction.
- Stable and reliable performance.
- Suitable for continuous operation.
- Easy integration into circuits.
Specifications:
| Parameter | Value |
|---|---|
| Input Voltage | 220V AC ±10%, 50Hz |
| Output Voltage | 9V AC |
| Output Current | 500mA (continuous) |
| Power Rating | 4.5 VA |
| Winding Type | Isolated, double wound |
| Regulation | 15–20% (full load to no load) |
| Insulation Class | B (130°C) or E (120°C) |
| Dielectric Strength | 1500V AC (primary to secondary) |
| Mounting | Chassis mount (2 or 4 screw holes) |
| Operating Temp. | -20°C to +70°C |
Pinout:
| Pin Name | Description |
|---|---|
| Primary Pin1 | AC Input (220V) |
| Primary Pin2 | AC Input (220V) |
| Secondary 1 | AC Output (9V) |
| Secondary 2 | AC Output (9V) |
Applications:
- Power supply circuits.
- Arduino and microcontroller projects.
- AC to DC conversion stages.
- Educational and lab experiments.
- Low-voltage electronic devices.
Package Includes:
- 1x Step Down Transformer 220-9V – 500mA.