12V300mA(3.5W) isolated switching power supply module AC-DC step-down regulated power supply board/220V to 12V -68658
product detail
Working temperature: -20 degrees to 70 degrees, (not recommended above 70 degrees), output filtering High quality solid capacitor
Characteristics:
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Input voltage range: AC50V-277V DC70V-390V
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No-load power: <0.05W Full load power: <4W
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Output characteristics: Multiple voltage modules can be used in parallel to meet the needs of large currents in small spaces.
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Output voltage: 5V +-0.15V no load and full load, light load minus 0.1V, rebound when heavy load, 50% load ripple 60mV