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Comparison · Power supplies

PTA-200W-12V or 12 Volt 180 Watt power supply

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: In test: PTA-200W-12V (216 W vs. 200).

ModelPTA-200W-12VPTA-200W-12V2025Read review →12 Volt 180 Watt power supply12 Volt 180 Watt power supply2014Read review →
Voltage, V1212
Power, W200180
In test, W216200
Review conclusionWith reservationsWith reservations

Only in one review: Current 15 A (12 Volt 180 Watt power supply); Test current 18 A (PTA-200W-12V); Ripple 60 mV (PTA-200W-12V); Efficiency 84 % (PTA-200W-12V); Temperature rise 115 °C (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.

12 Volt 180 Watt power supply: The supply performed acceptably, but the author recommends limiting continuous load to 140–150 W.

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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