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Schematics power supply 12 VDC 5 A

Circuit power supply 12 VDC 5 A usually used for audio amplifier. With the characteristics of its pure DC output voltage, big power, and very stable, to avoid hum or noise on the speakers.

power supply amplifierPower supply audio amplifier
Schematics power supply 12 VDC 5 A as shown below

Components are required:
  1. C1 = Elco 6800 uF/25 V
  2. C2 = Elco 100 uF/16 V
  3. C3 = Elco 2200 uF/25 V
  4. D1, D2 = Diodes IN 5402
  5. Q1 = Transistor 2N 3055
  6. IC1 = Regulator 7812
  7. T1 = Transformer step down 220 V/15 V 5 A CT



  1. Derrick Patterson January 12, 2013 at 2:52 AM, said...  
    Does this power supply uses some molex connectors? I say this because, usually a desktop power supply has this.

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