6-12V Variable Regulated Power Supply circuit diagram

This is an adjustable power supply which have adjustabled output voltage from 6-12 DC volt.

6-12V Variable Regulated Power Supply circuit diagram

Component Parts List:
T1 = 115[220]/8 VAC transformer. Center Tap not needed.
Q1 = 2N1613, NTE128, or substitute. (TO-39 case) On coolrib!
BR1 = 40V, 4A. (Check max current of your mini-drill and add 2A)
R1 = 470 ohm, 5%
R2 = 1K, 5%
P1 = potentiometer, 10K
C1 = 1000uF, 25V

Notes:

Circuit design by Tony van Roon

Author: circuit diagram on January 9, 2010
Category: Power Supply
Tags: 12v power supply circuit diagram12v variable power supply2N1613NTE128

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