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Comparison · Power supplies

PTA-200W-12V or S-200-5

Two models side by side: measurements taken by the author in their reviews, and their conclusions. The better value in each row is highlighted.

In brief: Based on review measurements: Temperature rise: S-200-5 (80 °C vs. 115).

ModelPTA-200W-12VPTA-200W-12V2025Read review →S-200-5S-200-52017Read review →
Voltage, V125
Power, W200200
Temperature rise, °C11580
Review conclusionWith reservationsNot recommended

Only in one review: Current 40 A (S-200-5); In test 216 W (PTA-200W-12V); Test current 18 A (PTA-200W-12V); Ripple 60 mV (PTA-200W-12V); Efficiency 84 % (PTA-200W-12V).

PTA-200W-12V: This budget supply handles about 216 W, but its rectifier and choke get hot, and low-frequency ripple is high.

S-200-5: The power supply has serious assembly defects and low-quality components; the author considers it unreliable.

Figures were taken from the review text and checked against the quoted passages. Measurement conditions differ between reviews, so read the reviews yourself before buying. Prices at the time of review.

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