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Comparison · Power supplies

PTA-200W-12V or CTG-200W-12V

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: Test current: CTG-200W-12V (19.2 A vs. 18); Ripple: PTA-200W-12V (60 mV vs. 160); Efficiency: CTG-200W-12V (86.5 % vs. 84); Temperature rise: PTA-200W-12V (115 °C vs. 118).

ModelPTA-200W-12VPTA-200W-12V2025Read review →CTG-200W-12VCTG-200W-12V2025Read review →
Voltage, V1212
Power, W200200
Test current, A1819.2
Ripple, mV60160
Efficiency, %8486.5
Temperature rise, °C115118
Review conclusionWith reservationsRecommended

Only in one review: Current 16.7 A (CTG-200W-12V); In test 216 W (PTA-200W-12V); Under load 12.162 V (CTG-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.

CTG-200W-12V: Praised for its sound topology, overvoltage protection, and excellent regulation; the input capacitor is undersized.

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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