Additional Resources: Product Page 3D Model date 05/10/2021 page 1 of 4 SERIES: VMS-40 DESCRIPTION: AC-DC POWER SUPPLY FEATURES up to 40 W continuous power compact size universal input (90~264 Vac) single output from 3.3~48 V no load power < 0.3W over voltage and short circuit protections full medical safety approvals efficiency up to 88% RoHS 2 output output output ripple efficiency MODEL 1 voltage current power and noise max max max typ (Vdc) (A) (W) (mVp-p) (%) VMS-40-3.3 3.3 6 19.8 50 76 VMS-40-5 5 6 30 50 80 VMS-40-9 9 4.45 40 90 84 VMS-40-12 12 3.34 40 120 86 VMS-40-15 15 2.67 40 150 87 VMS-40-24 24 1.67 40 240 88 VMS-40-30 30 1.33 40 300 88 VMS-40-36 36 1.11 40 360 88 VMS-40-48 48 0.834 40 480 88 Notes: 1. Measured at 20MHz, with 0.1uF ceramic and 10uF electrolytic capacitors. 2. Measured at full load, 230 Vac, and 25C PART NUMBER KEY VMS-40 - XX Base Number Output Voltage cui.comAdditional Resources: Product Page 3D Model CUI Inc SERIES: VMS-40 DESCRIPTION: AC-DC POWER SUPPLY date 05/10/2021 page 2 of 4 INPUT parameter conditions/description min typ max units voltage 90 264 Vac frequency 47 63 Hz at 100 Vac 1 A input current at 240 Vac 0.55 A inrush current at 240 Vac 60 A OUTPUT parameter conditions/description min typ max units line regulation low line to high line, full load 0.5 % load regulation 10% to 100% full load 1 % initial set point accuracy 1 % hold-up time 115 Vac 10 ms switching frequency 65 KHz PROTECTIONS parameter conditions/description min typ max units over voltage protection TVS component to clamp short circuit protection hiccup mode, recovers automatically SAFETY & COMPLIANCE parameter conditions/description min typ max units isolation voltage input to output 5,656 Vdc safety approvals UL 60601-1, EN 60601-1, IEC 60601-1, CAN/CSA-C22.2 60601-1, ANSI/AAMI ES 60601-1 FCC CFR 47 Part 15 Subpart B, CISPR 22 Class B, EN 55011 Class B, EN 61000-3-(2, 3), IEC 61000-4- EMI/EMC (2, 3, 4, 5, 6, 8, 11) leakage current 0.1 mA RoHS compliant yes MTBF MIL-HDBK-217F, GB, at 25C, 115 Vac 200,000 hrs ENVIRONMENTAL parameter conditions/description min typ max units operating temperature see derating curve 0 70 C storage temperature -20 85 C operating humidity non-condensing 93 % DERATING CURVES cui.com