Switching Power Supply Single Output NF-50 Series, 50Watt FEATURES: Input voltage range 100-240VAC High reliability High power factor(Built-in PFC Circuit) Built-in EMI filter Short circuit, over current, over voltage protections Cooling by free air convection With LED power indicator 100% burn-in test 4 year warranty Output voltage (Vdc) Output current (A) Efficiency Typ. NF50-3 3.3 10 78% NF50-5 5 10 82% NF50-9 9 5.6 81% 12 4.3 82% NF50-15 15 3.5 83% NF50-24 24 2.2 84% NF50-48 48 1.1 85% Model Input voltage (Vac) NF50-12 100-240 ELECTRICAL Input Parameters Symbols Test Conditions / Comment Input voltage Vin -- Input frequency Fline Inrush current Iinrush Power factor PF Input current Iin www.pairuigroup.com Min. Typ. Max. Units 85 -- 264 Vac 125 -- 370 Vdc -- 47 -- 63 Hz Cold start, Vin =115Vac, full load -- 20 -- A Cold start, Vin =230Vac, full load -- 40 -- A Full voltage, full load 0.9 -- 0.99 PF Full load, Vin =115Vac -- 0.7 -- A Full load, Vin =230Vac -- 0.4 -- A Page: 1 / 3 Date: 07/27/2015 *Subject to change without notice Switching Power Supply Single Output NF-50 Series, 50Watt ELECTRICAL Output Parameters Symbols Test Conditions / Comment Min. Typ. Max. Units Line regulation Vout-line Vin from 100 Vac To 240 Vac -- 1 -- % Load regulation Vout-load Iout from min. To max. -- 1 -- % Hold-on time Ton_hold Full load, Vin =115Vac -- 17 -- ms Turn-on rise time Ton_rise Cold start, power on -- -- 500 ms Ripple & noise Vripple -- -- 120 480 mVp-p Protection Over current Type: works at over 105%; it will recover automatically after fault condition is removed Short circuit Hiccup mode, it will recover automatically after fault condition is removed Over voltage Type: 110-150%; Locked mode, it will recover automatically after turn off the power Environment Storage Ambient operating temperature Operating relative humidity MTBF Tstorage Ta Humidity: 20% RH to 90% RH Startup at rated voltage (Required Derating) Ha TMTBF Non condensing Full load, 230Vac input, 25 ℃ ambient temperature Dimension(LxWxH) -20 -- +75 ℃ -10 -- +70 ℃ 20 -- 90 % -- -- 200 kHrs 120 x 81.2 x 31.5mm Safety / EMC Withstand voltage I/P-O/P: 3KVac Safety standards UL, C-UL, CE, CB EMC EN55022-B THD IEC61000-3-2 I/P-FG: 2KVac O/P-FG: 0.5KVac Notes: 1. Rated Load and Rated Input Voltage,Ta=25℃; 2. Ripple &Noise are measured at 20MHZ of bandwidth by using a 12” twisted pair-wire terminated with a 0.1uf & 47uF parallel capacitor. www.pairuigroup.com Page: 2 / 3 Date: 07/27/2015 *Subject to change without notice Switching Power Supply Single Output NF-50 Series, 50Watt MECHANICAL www.pairuigroup.com Page: 3 / 3 Date: 07/27/2015 *Subject to change without notice