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Build A Low Cost DIY 300W Active Load Project – PSU Tester Electronic Dummy Load ATX

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Let’s build an Active Load!

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Links mentioned in this video:
300W Electronic Load Project
Original Video (Ukraine)


Parts required for this project (affiliate links)
2N5551 Transistors
BD139 Transistors
D209L Transistors
TIP122 Transistors
0.1R 10W Resistors (see video)
1W Zener Diode Assortment Kit (use 5.1V)
1N4007 Diode
10K NTC Thermistors
Multiturn Trimmer Kit (use 10K)
Multiturn 10K Potentiometer
7812 Voltage Regulator
200R/2K Resistors
Screw terminal Blocks

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