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NQB-10NWA-DSNL-000-ESA Datasheet(PDF) 8 Page - CUI INC |
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NQB-10NWA-DSNL-000-ESA Datasheet(HTML) 8 Page - CUI INC |
8 / 30 page cui.com date 02/20/2013 │ page 8 of 30 CUI Inc │ SERIES: NQB-N │ DESCRIPTION: FULLY REGULATED ADVANCED BUS CONVERTERS Typical Characteristics 12.0 V, 35 A / 420 W Output Current Derating – Open frame 0 5 10 15 20 25 30 35 020406080 100 [°C] [A] 3.0 m/s 2.0 m/s 1.5 m/s 1.0 m/s 0.5 m/s Nat. Conv. Available load current vs. ambient air temperature and airflow at VI = 53 V. See Thermal Consideration section. Output Current Derating – Base plate Thermal Resistance – Base plate 0 5 10 15 20 25 30 35 020406080100 [°C] [A] 3.0 m/s 2.0 m/s 1.5 m/s 1.0 m/s 0.5 m/s Nat. Conv. 0 1 2 3 4 5 6 0.00.5 1.01.5 2.02.5 3.0[m/s] [°C/W] Available load current vs. ambient air temperature and airflow at VI = 53 V. See Thermal Consideration section. Thermal resistance vs. airspeed measured at the converter. Tested in wind tunnel with airflow and test conditions as per the Thermal consideration section. VI = 53 V. Output Current Derating – Base plate + Heat sink Output Current Derating – Cold wall sealed box 0 5 10 15 20 25 30 35 020406080100 [°C] [A] 3.0 m/s 2.0 m/s 1.5 m/s 1.0 m/s 0.5 m/s Nat. Conv. 0 5 10 15 20 25 30 35 40 020406080100 [°C] A Tamb 85°C Available load current vs. ambient air temperature and airflow at VI = 53 V. See Thermal Consideration section. Tested with Plate Fin Transverse heatsink, height 0.23 In, P0114 Thermal Pad. Available load current vs. base plate temperature at 85ºC ambient. VI = 53 V. See Thermal Consideration section. |
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