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Comparison · Power supplies

12 V 3 A power supply or HCF-36-12

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: 12 V 3 A power supply (132 °C vs. 133).

Model12 V 3 A power supply12 V 3 A power supply2017Read review →HCF-36-12HCF-36-122026Read review →
Voltage, V1212
Current, A33
Power, W3636
Test current, A33
Temperature rise, °C132133
Review conclusionNot recommendedWith reservations

Only in one review: In test 35.5 W (12 V 3 A power supply); Ripple 10 mV (12 V 3 A power supply); Efficiency 77 % (12 V 3 A power supply); No load 2.4 W (12 V 3 A power supply); Protection 3.1 A (HCF-36-12).

12 V 3 A power supply: Above 2 A, the supply overheats and behaves erratically; it is unsuitable for continuous use.

HCF-36-12: Low ripple, but the varistor is before the fuse and components get noticeably hot.

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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