Widely used in the field of mobile phone, ADSL modem, PDA, MP3, Eletronic dictionary, wireless business telephone, terminal POS, and so on. Specification: Input voltage: AC90-265V Frequency: 47-63Hz Output voltage: 12V Output current: 800mA-4A Ripple: 100mV pp Max... Single output Optional output connectors Optional AC inlet: 100% burn-in 100% HI-POT TEST Environmental: Operation temperature: 0 to +40 degrees Celsius Storage temperature: -40 to +85 degrees Celsius Relative humidity: 5% to 95% RH (non-condensing) General: Efficiency: 75% minimum at full load (input 115VAC and 230VAC) Hold-up time: 10ms minimum at maximum load Line regulation: +/-1% maximum at full load Withstand voltage: 4242VDC from input to output, one minute Insulation resistance: 50M-ohm DC 500V between input and output MTBF: 30, 000 to 50, 000 hours at full load at 25 degrees Celsius ambient.