This is a 12V DC doule power supply circuit diagram. It is a regular direct current power supply that can provide a positive as well as negative DC voltage.
This power supply circuit ensures that the stable power supply to the device as well as helps to prevent system damage.
| Identifier | Component | Value | Count |
|---|---|---|---|
| T1 | Centre tapped transformer | 220V - 12V | 1 |
| D1, D2, D3, D4 | Power Diodes | 6A10 | 4 |
| C1, C2 | Capacitor | 2200uF / 25V | 2 |
| U1 | Voltage regulator | 7812 | 1 |
| U2 | Voltage regulator | 7912 | 1 |
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