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Comparison · Power supplies

HCA-72 or SANMIM GPT70A-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: Test current: SANMIM GPT70A-12 (8.6 A vs. 6); Ripple: SANMIM GPT70A-12 (60 mV vs. 380); Efficiency: SANMIM GPT70A-12 (87 % vs. 83.5); Temperature rise: SANMIM GPT70A-12 (100 °C vs. 111).

ModelHCA-72HCA-722025Read review →SANMIM GPT70A-12SANMIM GPT70A-122019Read review →
Power, W7270
Test current, A68.6
Ripple, mV38060
Efficiency, %83.587
Protection, A68.6
Temperature rise, °C111100
Review conclusionWith reservationsRecommended

Only in one review: Voltage 12 V (SANMIM GPT70A-12); Current 6 A (HCA-72); No load 1 W (SANMIM GPT70A-12).

HCA-72: Ripple is tolerable, but electrical safety is poor and sustained in-case output is no more than 60 W.

SANMIM GPT70A-12: A well-built supply with good protection and low ripple, but comparatively low efficiency and higher heat.

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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