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VSK-S20-3R3U-T Datasheet(PDF) 2 Page - CUI INC |
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VSK-S20-3R3U-T Datasheet(HTML) 2 Page - CUI INC |
2 / 5 page cui.com date 09/06/2012 │ page 2 of 5 CUI Inc │ SERIES: VSK-S20-T │ DESCRIPTION: AC-DC POWER SUPPLY INPUT parameter conditions/description min typ max units voltage 85 120 264 370 Vac Vdc frequency 47 63 Hz input current at 110 Vac at 230 Vac 330 180 mA mA inrush current at 110 Vac at 230 Vac 16 30 A A recommended external input fuse 3.15 A / 250 V, slow-blow type OUTPUT parameter conditions/description min typ max units voltage set accuracy ±2 % line regulation ±0.5 % load regulation at 10~100% load ±1 % minimum load 0% hold-up time at 230 Vac 80 ms temperature coefficient 0.02 %/°C switching frequency 65 kHz PROTECTIONS parameter conditions/description over voltage protection 3.3 and 5 V models 9 V model 12 and 15 V models 24 V model 7.5 12 20 30 Vdc Vdc Vdc Vdc overload protection 110 % short circuit protection shutdown and auto restart SAFETY & COMPLIANCE parameter conditions/description min typ max units isolation voltage for 1 minute 3,000 Vac safety approvals EN 60950-1, IEC 60950-1, UL 60950-1 safety class Class I EMI/EMC CISPR22/EN 55022 class B, IEC/EN 61000-4-(2, 3, 4, 5) leakage current at 230 Vac, 50 Hz 0.3 mA MTBF at 25°C, max. load 300,000 hours RoHS compliant yes ENVIRONMENTAL parameter conditions/description min typ max units operating temperature -40 70 °C storage temperature -40 105 °C case temperature 90 °C humidity non-condensing 85 % |
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