AC to DC 12V 300mA 3.5W Isolated Switching Power Supply Module Buck Regulator Step Down Power Module

Specifications: Input voltage range: AC50V-277V DC70V-390V No-load power: <0.05W Full load power: <4W Output characteristics: Multiple voltage modules can be used in parallel to meet the needs of large currents in small spaces. Output voltage: 12V -0.05+0.3V no load and full load, light load minus 0.1V, rebound when heavy load, 50% load ripple 100mV Output current: 12V0mA-300mA, enters constant current mode when fully loaded Test resistance: 40 ohms (12V) for 12V Output indicator: green light Output power: 3.5W, efficiency is about 80% Output protection: overvoltage, overcurrent, overtemperature, overcurrent, short circuit protection, etc. Overall height: 13.5MM Operating temperature: -20 a to 70 a, (not recommended for use above 70a), output filter high quality solid capacitor Package Included: 1 x AC to DC 12V 300mA 3.5W Isolated Switching Power Supply Module