Additional Resources: Product Page | 3D Model date 02/07/2013 page 1 of 3 SERIES: VSUU-120 │ DESCRIPTION: AC-DC POWER SUPPLY FEATURES • up to 120 W continuous power • industry standard 3” x 5” footprint • U-Frame • universal input (90-260 Vac / 130-370 Vdc) • single output from 3.3 to 48 V • active power correction • internal EMI filter • no minimum load required • UL/cUL and TUV safety approvals • class I • efficiency 80% • input surge current, over voltage, over load, and over current protections RoHS MODEL output output output ripple and efficiency voltage current power noise range max max max typ (Vdc) (A) (W) (mVp-p) (%) VSUU-120-3.3 3~5 22 100 66 80 VSUU-120-5 5~6 22 110 50 80 VSUU-120-7.5 6~9 19.16 115 75 80 VSUU-120-9 9~11 13.33 120 90 80 VSUU-120-12 11~13 10.9 120 120 80 VSUU-120-15 13~16 9.23 120 150 80 VSUU-120-18 16~21 7.5 120 180 80 VSUU-120-24 21~27 5.71 120 240 80 VSUU-120-30 27~33 4.44 120 300 80 VSUU-120-36 33~40 3.63 120 360 80 VSUU-120-48 40~50 3 120 480 80 PART NUMBER KEY VSUU-120 - XX - X Base Number Output Voltage Power Fail Detect “Blank” = No P = Yes cui.com

Additional Resources: Product Page | 3D Model CUI Inc │ SERIES: VSUU-120 │ DESCRIPTION: AC-DC POWER SUPPLY date 02/07/2013 │ page 2 of 3 INPUT parameter conditions/description min typ max units 90 260 Vac voltage 130 370 Vdc frequency 47 63 Hz at 115 Vac, full load 1.7 A current at 230 Vac, full load 1.0 A at 115 Vac, 25°C, full load, cold start 12 15 A inrush current at 230 Vac, 25°C, full load, cold start 26 30 A power factor full load at 90 ~ 264 Vac 0.95 0.97 1.0 OUTPUT parameter conditions/description min typ max units line regulation full load 0.5 1 % load regulation at 230 Vac 3 5 % temperature coefficient all output ± 0.04 %/°C transient response full load to half load at 100 Vac 4 ms start-up full load at 100 Vac 0.3 1 2 s hold-up full load at 110 Vac 16 ms PROTECTIONS parameter conditions/description min typ max units over voltage protection 112 132 % over current protection 110 150 % SAFETY & COMPLIANCE parameter conditions/description min typ max units primary to secondary 4,242 Vdc isolation voltage primary to earth ground 2,121 Vdc isolation resistance test voltage of 500 Vdc 50 MΩ safety approvals UL/cUL, TUV-Baurart, CE, CISPR-22 class B, FCC part 15 class B, CB EMI/EMC CISPR 22 class B, FCC part-15 class B leakage current full load at 240 Vac 0.4 0.75 mA RoHS compliant yes ENVIRONMENTAL parameter conditions/description min typ max units operating temperature 0 70 °C storage temperature -40 85 °C operating humidity non-condensing 5 95 % storage humidity 5 95 % cui.com

Additional Resources: Product Page | 3D Model CUI Inc │ SERIES: VSUU-120 │ DESCRIPTION: AC-DC POWER SUPPLY date 02/07/2013 │ page 3 of 3 DERATING CURVES output power vs. ambient temperature 100 ) 80 % ( d 60 oa 50 L 40 20 0 10 20 30 40 50 60 70 Ambient Temperature (°C) MECHANICAL DRAWING units: mm[inches] tolerance: ±0.5mm CN2 1 V1 30.01.181 81.43.205 39.21.543 13.50.531 (2 PLCS) 2 V1 G N L 3 V1 P1 4 V1 5 V1 6 V1 127.05.000 114.34.500 114.34.500 7 com 68.62.701 8 com (2 PLCS) 101.64.000 9 com 10 com 11 com 14.00.551 P2 65.32.571 30.01.181 13 1 16.800.661 6.40.252 12 com (2 PLCS) (3 PLCS) 8.00.315 13 n/c *pin 13 for optional power fail detect REVISION HISTORY rev. description date 1.0 initial release 11/19/2010 1.01 new template applied 12/19/2011 1.02 V-Infinity branding removed 08/22/2012 1.03 updated derating curve 02/07/2013 The revision history provided is for informational purposes only and is believed to be accurate. Headquarters 20050 SW 112th Ave. Fax 503.612.2383 Tualatin, OR 97062 cui.com 800.275.4899 techsupport@cui.com CUI offers a two (2) year limited warranty. Complete warranty information is listed on our website. CUI reserves the right to make changes to the product at any time without notice. Information provided by CUI is believed to be accurate and reliable. However, no responsibility is assumed by CUI for its use, nor for any infringements of patents or other rights of third parties which may result from its use. CUI products are not authorized or warranted for use as critical components in equipment that requires an extremely high level of reliability. A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness.