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Comparison · Power supplies

CTG-200W-12V or SVEN SB-550 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: Test current: CTG-200W-12V (19.2 A vs. 3).

ModelCTG-200W-12VCTG-200W-12V2025Read review →SVEN SB-550 power supplySVEN SB-550 power supply2023Read review →
Test current, A19.23
Under load, V12.16225
Review conclusionRecommendedRecommended

Only in one review: Voltage 12 V (CTG-200W-12V); Current 16.7 A (CTG-200W-12V); Power 200 W (CTG-200W-12V); Ripple 160 mV (CTG-200W-12V); Efficiency 86.5 % (CTG-200W-12V); Protection 3.4 A (SVEN SB-550 power supply); Temperature rise 118 °C (CTG-200W-12V).

CTG-200W-12V: Praised for its sound topology, overvoltage protection, and excellent regulation; the input capacitor is undersized.

SVEN SB-550 power supply: The supply was repaired with an NCP1251 in place of the original controller and passed extended tests up to 2.5 A.

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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