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Comparison · Power supplies

QS-36-12 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 A vs. 2.9); Ripple: QS-36-12 (350 mV vs. 600).

ModelQS-36-12QS-36-122026Read review →12 V 36 W power supply12 V 36 W power supply2025Read review →
Voltage, V1212
Power, W3636
Test current, A2.93
Ripple, mV350600
Protection, A2.93.4
Review conclusionWith reservationsWith reservations

Only in one review: Current 3 A (QS-36-12); In test 35 W (QS-36-12); Under load 11.69 V (12 V 36 W power supply); Efficiency 85 % (QS-36-12); No load 0.7 W (QS-36-12); Temperature rise 95 °C (QS-36-12).

QS-36-12: Decent overall, but its real power is about 30 W, with substantial no-load ripple.

12 V 36 W power supply: It handles rated power well, but output capacitance is low and high-frequency ripple is elevated.

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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