Linear power supply unit AC input voltage: 103.5...253 VAC Input frequency: 48...62 Hz Operating temperature: 0...+70 °C Output current 1: 0.4 A Output current 2: 0.4 A Output voltage 1: 13.5...15.5 VDC Output voltage 2: 13.5...15.5 VDC Derating: 2 %/K over 50 °C upon natural convection MTBF: &gt, 960000 h Residual ripple: &lt, 2 mV ss System deviation, supply: &lt, 0.01% No. of outputs: 2 outputs Efficiency: 40 % Power: 30 W