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Comparison · Power supplies

Sanmim GPN30E-15 or 12 V 1 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: Sanmim GPN30E-15 (80 mV vs. 100); Price: 12 V 1 W power supply (3.89 $ vs. 6.76).

ModelSanmim GPN30E-15Sanmim GPN30E-152023Read review →12 V 1 W power supply12 V 1 W power supply2015Read review →
Voltage, V1512
Under load, V15.112.1
Ripple, mV80100
Price, $6.763.89
Review conclusionRecommendedRecommended

Only in one review: Current 2 A (Sanmim GPN30E-15); Power 1 W (12 V 1 W power supply); In test 3 W (12 V 1 W power supply); Test current 4.1 A (Sanmim GPN30E-15); Efficiency 82 % (Sanmim GPN30E-15); Protection 4.2 A (Sanmim GPN30E-15); Temperature rise 100 °C (Sanmim GPN30E-15).

Sanmim GPN30E-15: It handles a twofold overload steadily with moderate heating; its main drawback is the cheap terminal blocks.

12 V 1 W power supply: Despite its simple design, it delivered 3 W without overheating, with stable voltage and acceptable ripple.

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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