Additional Resources: Product Page 3D Model date 08/16/2021 page 1 of 4 SERIES: VSBU-120C-D DESCRIPTION: AC-DC POWER SUPPLY FEATURES universal input (90 ~ 264 Vac) up to 120 W continuous power industry standard 3 x 5 footprint active power factor correction IEC/EN/UL 62368 certified over voltage, over current, short circuit protection RoHS output1 output output ripple and efficiency MODEL voltage current power noise min max max max typ (Vdc) (A) (A) (W) (mVp-p) (%) Vo1 5 1.5 15.0 50 VSBU-120C-D512 120 77 Vo2 12 0.8 6.0 120 Vo1 5 1.5 15.0 50 VSBU-120C-D524A 120 80 Vo2 24 0.4 3.5 240 Vo1 28 0.4 3.92 280 VSBU-120C-D285 120 80 Vo3 5 0.0 2.0 50 Note: 1. Factory adjustable. PART NUMBER KEY VSBU-120C -DXXX Base Number Output Voltage cui.comAdditional Resources: Product Page 3D Model CUI Inc SERIES: VSBU-120C-D DESCRIPTION: AC-DC POWER SUPPLY date 08/16/2021 page 2 of 4 INPUT parameter conditions/description min typ max units voltage 90 264 Vac frequency 47 63 Hz at 100 Vac, full load 1.75 A current at 240 Vac, full load 0.72 A at 100 Vac, 25C, full load, cold start 37 A inrush current at 240 Vac, 25C, full load, cold start 88 A power factor correction at 240 Vac, full load 0.95 1.0 OUTPUT parameter conditions/description min typ max units line regulation full load 1 % load regulation at 230 Vac, 10 ~ 90% load 5 % temperature coefficient all output models, full load, 100 ~ 240 Vac -0.04 0.04 %/C transient response full load to half load at 110 Vac 4 ms start-up full load at 100~240 Vac 3 s hold-up full load at 100 Vac 16 ms PROTECTIONS parameter conditions/description min typ max units over voltage protection 112 132 % over current protection auto recovery 110 150 % short circuit protection auto recovery SAFETY & COMPLIANCE parameter conditions/description min typ max units input to output 4,242 Vdc isolation voltage input to earth ground 2,121 Vdc safety approvals certified to 62368: IEC/EN/UL EMI/EMC CISPR-32/EN 55032:2012/AC:2013 Class B EN 61000-3-2:2014 EN 61000-3-3:2013 leakage current full load at 240 Vac 0.75 mA RoHS compliant yes MTBF as per MIL-HDSK-217F, 25C 100,000 hrs ENVIRONMENTAL parameter conditions/description min typ max units operating temperature see derating curve 0 70 C storage temperature -40 85 C operating humidity non-condensing 0 95 % storage humidity 0 95 % cui.com