5Pcs 12V 300mA Power Supply Module 3.5W AC-DC Isolation Switch Power Module 220V to 12V Buck Converter Board Module
Specifications 220 to 12V300mA (3.5W) Input voltage range: AC50V-277V
DC70V-390V No load power:<0.05W Full load power:<4W Output characteristics:
Multiple modules with the same voltage can be used in parallel to meet the
needs of small space and high current Output voltage: 12V -0.05+0.3V no-load
and full load, reduced by 0.1V under light load, rebounded under heavy load, a
ripple of 100mV under 50% load Output current: 12V0mA-300mA, entering
constant-current working mode at full load Test resistance: 40 ohms for 12V
(12V) Output indicator light: green light Output power: 3.5W, efficiency is
about 80% Output protection: overvoltage, overcurrent, over temperature, over
power, short circuit protection Product size: 23.497mm  18.15mm  13.5mm/0.93
 0.71  0.53inch Working temperature: -20℃ to 70℃, with output filtering and
high-quality solid-state electricity
 
Product Features
  

         
This module is an AC-DC/220V-12V isolation switch power module
         
Wide voltage input, fixed output, with overvoltage, overcurrent, over temperature short circuit protection, etc
         
High-performance board, suitable for the control board and microcontroller board, and power supply system is very stable and reliable
         
Double-sided board, small size, easy to install
         
There is a power output indicator light, which is convenient and intuitive to see the working status of the module