18V AC−DC Switching Power Supply Specifications AC Input Voltage Range: 90 − 264 VAC Input Frequency: 47 − 63 Hz Inrush Current: 30A Max DC Output − + Voltage Range: 17.1V − 18.9V Current Range: 0.1A − 0.5A Ripple (at Typ Input Voltage and Load Current) 180mV Max Reliability Insulation Resistance: 50MΩ Min (Input to Output, DC 500V) MTBF: 50000 Hours Plug Types 2.1mm x 5.5mm Jack 2.5mm x 5.5mm Jack 1.35mm x 3.5mm Plug 2.1mm x 5.5mm Plug 2.5mm x 5.5mm Plug Ordering Information DC Output NEW NEW NTE Type No. 57−18D−500−1 57−18D−500−2 57−18D−500−3 57−18D−500−4 57−18D−500−5 Amps 500mA 500mA 500mA 500mA 500mA NTE Electronics, Inc. Wattage 9 9 9 9 9 Voice (973) 748−5089 Plug Type 2.1mm x 5.5mm Jack 2.5mm x 5.5mm Jack 1.35mm ID x 3.5mm OD Plug 2.1mm ID x 5.5mm OD Plug 2.5mm ID x 5.5mm OD Plug FAX (973) 748−6224 http://www.nteinc.com 5