Additional Resources: Product Page 3D Model date 06/05/2015 page 1 of 6 SERIES: VSK-S5-T DESCRIPTION: AC-DC POWER SUPPLY FEATURES up to 5.5 W continuous output encapsulated compact case universal input (85~264 Vac/110~370 Vdc) single regulated output from 3.3~24 Vdc over voltage, over temperature, and short circuit protections UL/cUL safety approvals efficiency up to 83% output output output ripple efficiency MODEL 1 voltage current power and noise max max max max (Vdc) (mA) (W) (mVp-p) (%) VSK-S5-3R3UA-T 3.3 1250 4.125 120 74 VSK-S5-5UA-T 5 1000 5 120 78 VSK-S5-9UA-T 9 550 5 100 78 VSK-S5-12UA-T 12 420 5 100 80 VSK-S5-15UA-T 15 333 5 100 82 VSK-S5-24UA-T 24 230 5.5 100 83 Notes: 1. Ripple and noise are measured at 20 MHz BW by parallel cable method with 1 F ceramic and 10 F electrolytic capacitors on the output. PART NUMBER KEY VSK-S5- XX UA-T Base Number Output Voltage example of 5 W, single output cui.comAdditional Resources: Product Page 3D Model CUI Inc SERIES: VSK-S5-T DESCRIPTION: AC-DC POWER SUPPLY date 06/05/2015 page 2 of 6 INPUT parameter conditions/description min typ max units 85 264 Vac voltage 110 370 Vdc frequency 47 63 Hz at 110 Vac 110 mA current at 230 Vac 70 mA at 110 Vac 10 A inrush current at 230 Vac 20 A input fuse 1 A/250 V, slow-blow type (internal, included) temperature coefficient 0.02 %/C OUTPUT parameter conditions/description min typ max units 3.3 Vdc model 4000 F 5 Vdc model 4000 F 9 Vdc model 1000 F 1 capcitive load 12 Vdc model 820 F 15 Vdc model 820 F 24 Vdc model 330 F line regulation 0.5 % load regulation at 10~100% load 1 % 3.3 Vdc model 3 % voltage set accuracy all other models 2 % at 110 Vac 12 ms hold-up time at 230 Vac 80 ms switching frequency 140 kHz Notes: 1. Test without external circuit PROTECTIONS parameter conditions/description min typ max units over voltage protection shutdown over current protection auto recovery 110 % short circuit protection hiccup, auto recovery SAFETY & COMPLIANCE parameter conditions/description min typ max units isolation voltage for 1 minute 4,000 Vac safety approvals UL60950-1 safety class Class II conducted emissions CISPR22/EN55022, Class B radiated emissions CISPR22/EN55022, Class B ESD IEC/EN61000-4-2 Class B, contact 6 kV / air 8 kV radiated immunity IEC/EN61000-4-3 Class A, 10V/m IEC/EN61000-4-4 Class B, 2 kV EF T/burst IEC/EN61000-4-4 Class B, 4 kV (external circuit required, see figure 2) IEC/EN61000-4-5 Class B, 1 kV / 2 kV surge IEC/EN61000-4-5 Class B, 2 kV / 4 kV (external circuit required, see figure 2) conducted immunity IEC/EN61000-4-6 Class A, 10 Vr.m.s cui.com