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Comparison · Power supplies

QS-60-12 or Used 12V 5A power supplies

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: QS-60-12 (6.5 A vs. 5.5); Efficiency: QS-60-12 (87 % vs. 86); No load: Used 12V 5A power supplies (0.4 W vs. 0.5).

ModelQS-60-12QS-60-122026Read review →Used 12V 5A power suppliesUsed 12V 5A power supplies2020Read review →
Voltage, V1212
Current, A55
Power, W6060
Test current, A6.55.5
Under load, V11.1512.07
Ripple, mV200200
Efficiency, %8786
No load, W0.50.4
Protection, A6.55.6
Review conclusionWith reservationsWith reservations

Only in one review: Temperature rise 108 °C (QS-60-12).

QS-60-12: Fairly decent, but in practice it is at most a 60 W unit, possibly around 50 W.

Used 12V 5A power supplies: The boards ran stably and stayed moderately cool, but component quality and condition varied noticeably.

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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