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Comparison · Power supplies

36 W 3 A adapter or 12 V 36 W 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: Test current: 12 V 36 W power supply (3.2 A vs. 2.1); Ripple: 36 W 3 A adapter (400 mV vs. 2000).

Model36 W 3 A adapter36 W 3 A adapter2026Read review →12 V 36 W power supply12 V 36 W power supply2025Read review →
Voltage, V1212
Power, W3636
Test current, A2.13.2
Ripple, mV4002000
Review conclusionWith reservationsWith reservations

Only in one review: Current 3 A (36 W 3 A adapter); In test 30 W (36 W 3 A adapter); Efficiency 84 % (36 W 3 A adapter); Protection 2.7 A (36 W 3 A adapter); Temperature rise 130 °C (36 W 3 A adapter).

36 W 3 A adapter: It should work, but sustained real power is only about 20–25 W and ripple is moderate.

12 V 36 W power supply: The board is neat, but the varistor is before the fuse and ripple is high; it is suitable for undemanding loads.

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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