The color of the transformer will be change depend on Different batch
Working temperature: -20 degrees to 70 degrees, the advanced Aihua capacitor temperature is 105 degrees 10,000 hours, 70 degrees is greater than 5 years, and normal temperature is about 20-50 years (not recommended for use above 70 degrees).
Input characteristics:
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 60mV
Output current: 12V0mA-300mA, enters constant current mode when fully loaded,
Test resistance: 40 ohms (12V)
Output indicator: green light
Output power: 3.5W, efficiency is about 70-80%
Output protection: over voltage, over current, over temperature, over work, short circuit protection, etc.