12v dc power supply CHONDA ND BRAND switch dc dc converter power supply adopts imported components, with advanced technology, design and manufacture meticulously, each switch power supply have been one hundred percent of aging test before delivery, builtin battery of EMI filter, short circuit protection, overload protection, small size, light weight, low working temperature over voltage protection, high efficiency, 105 °C output capacitors, long service life, strictly according to the global voltage. Usage: suitable for office automation equipment, car electronic, instruments and meters, wireless communications equipment, TV, camera, monitor, LED display, etc 12V DC POWER SUPPLY has the follow features: Parameters: Input rate voltage:220VAC Allow input voltage range:100-240VAC Ripple and Noise: 1% of output voltage Output voltage current adjust range:12v 2.1A(±8％) Stablized value: typicially 0.5％ Over protection:115％-135％ EMI: （a） FCC PART 15A B level （b） EN55022，CISPRPUB22A，B level High voltage test: input and shell,input and outout current 2000VAC stay 1min,the leakage current less than 10ma,output and shell plus AC 500VAC 1 min leakage current less than 10mA Insulation resistance: input and Grand,input and output more than 30M The above is the details of 220v-12v dc power supply,if you are interested in the switching power supply 220V-12v and with requests,please contact chondatech for further interaction for more information on 12V DC power supply series,We are manufactory the AC DC converters and power converters