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Comparison · Power supplies

QS-48-12 or HCF-48L

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: QS-48-12 (300 mV vs. 400); Efficiency: QS-48-12 (85 % vs. 83); Temperature rise: QS-48-12 (115 °C vs. 117).

ModelQS-48-12QS-48-122026Read review →HCF-48LHCF-48L2025Read review →
Voltage, V1212
Current, A44
Power, W4848
Ripple, mV300400
Efficiency, %8583
Temperature rise, °C115117
Review conclusionNot recommendedNot recommended

Only in one review: No load 0.55 W (QS-48-12).

QS-48-12: It falls short of 48 W: the transformer overheats, and the author considers it closer to a 36 W model.

HCF-48L: It generates strong interference and overheats under sustained rated load; the author does not recommend it.

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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