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Comparison · Power supplies

1203 or 5 V, 3 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: Ripple: 1203 (200 mV vs. 400).

Model120312032025Read review →5 V, 3 W power supply5 V, 3 W power supply2019Read review →
Voltage, V125
Ripple, mV200400
Review conclusionWith reservationsNot recommended

Only in one review: Current 3 A (1203); Power 3 W (5 V, 3 W power supply); Efficiency 85 % (1203); No load 0.45 W (1203); Temperature rise 50 °C (5 V, 3 W power supply).

1203: Generally decent, but its protection trips far above the rated current; the author suggests staying below 2.5 A for continuous use.

5 V, 3 W power supply: It works and stays reasonably cool, but ripple is high, protection is erratic, and output barely reaches its rating.

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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