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Comparison · Power supplies

PTA-150W-12V or Meanwell LRS-150-12

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: Meanwell LRS-150-12 (81 °C vs. 103).

ModelPTA-150W-12VPTA-150W-12V2025Read review →Meanwell LRS-150-12Meanwell LRS-150-122023Read review →
Voltage, V1212
Power, W150150
Temperature rise, °C10381
Review conclusionWith reservationsRecommended

Only in one review: Current 12.5 A (Meanwell LRS-150-12); In test 180 W (PTA-150W-12V); Test current 15.66 A (Meanwell LRS-150-12); Under load 12.034 V (Meanwell LRS-150-12); Ripple 70 mV (PTA-150W-12V); Efficiency 84 % (PTA-150W-12V); Protection 15.66 A (Meanwell LRS-150-12).

PTA-150W-12V: A decent budget supply for undemanding uses, but input capacitance is low and low-frequency ripple is significant.

Meanwell LRS-150-12: The PSU has excellent filtering and voltage stability with no heating concerns, but is poorly suited to conversion into a UPS.

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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