VSBU-120-3.3

Additional Resources: Product Page | 3D Model date 04/27/2021 page 1 of 4 SERIES: VSBU-120 │ DESCRIPTION: AC-DC POWER SUPPLY FEATURES • • • • • • • • up to 120 W continuous power industry standard 3” x 5” footprint universal input 90~260 Vac single output from 3.3~48 V active power correction internal EMI filter no minimum load required input surge current, over voltage, over load, and over current protections • efficiency 80% RoHS MODEL output voltage output current output power ripple and noise efficiency range (Vdc) max (A) max (W) max (mVp-p) typ (%) VSBU-120-3.3 3~5 22 73 66 80 VSBU-120-5 5~6 22 110 50 80 VSBU-120-7.5 6~9 15.3 115 75 80 VSBU-120-9 9~11 13.33 120 90 80 VSBU-120-12 11~13 10 120 120 80 VSBU-120-15 13~16 8 120 150 80 VSBU-120-18 16~21 6.67 120 180 80 VSBU-120-24 21~27 5 120 240 80 VSBU-120-30 27~33 4 120 300 80 VSBU-120-36 33~40 3.33 120 360 80 VSBU-120-48 40~50 2.5 120 480 80 PART NUMBER KEY VSBU-120 - XX - X Base Number Output Voltage cui.com Power Fail Detect “Blank” = No P = Yes Additional Resources: Product Page | 3D Model CUI Inc │ SERIES: VSBU-120 │ DESCRIPTION: AC-DC POWER SUPPLY date 04/27/2021 │ page 2 of 4 INPUT parameter conditions/description min voltage typ 90 frequency 47 max units 260 Vac 63 Hz 1.7 1.0 A A 30 65 37 75 A A current at 115 Vac, full load at 230 Vac, full load inrush current at 115 Vac, 25°C, full load, cold start at 230 Vac, 25°C, full load, cold start power factor corrections full load at 90 ~ 260 Vac 0.95 0.97 1.0 parameter conditions/description min typ max units line regulation full load 0.5 1 % load regulation at 230 Vac temperature coefficient all output transient response full load to half load at 100 Vac start-up full load at 100 Vac 0.3 hold-up full load at 110 Vac 16 OUTPUT 3 -0.04 1 5 % 0.04 %/°C 4 ms 2 s ms PROTECTIONS parameter max units over voltage protection conditions/description min 112 typ 132 % over current protection 110 150 % max units SAFETY & COMPLIANCE parameter conditions/description min typ isolation voltage primary to secondary primary to earth ground 4,242 2,121 Vdc Vdc isolation resistance test voltage of 500 Vdc 50 MΩ safety approvals UL 60950-1 2nd edition, EN 60950-1 2nd edition EMI/EMC CISPR 22 class B, FCC part-15 class B leakage current full load at 240 Vac RoHS compliant yes MTBF MIL-HDSK-217F, 25°C ambient 0.4 0.75 100,000 mA hrs ENVIRONMENTAL parameter conditions/description min operating temperature storage temperature operating humidity non-condensing storage humidity cui.com max units 0 typ 70 °C -40 85 °C 5 95 % 0 75 % Additional Resources: Product Page | 3D Model CUI Inc │ SERIES: VSBU-120 │ DESCRIPTION: AC-DC POWER SUPPLY date 04/27/2021 │ page 3 of 4 DERATING CURVES output power vs. ambient temperature Load (%) 100 80 60 50 40 20 0 10 20 30 40 50 60 70 Ambient Temperature (°C) MECHANICAL DRAWING units: mm[inches] tolerance: ±0.5mm 27.6 1.087 0.5 M3XP0.5(MOUNTING HOLES)X4 20.3 0.799 0.5 40.0 1.575 0.5 127.0 5.000 0.5 115.6 4.551 0.5 5.5 0.217 0.5 14.2 0.560 0.5 76.2 3.000 0.5 65.3 2.571 0.5 76.2 3.000 0.5 L N 13 G 10.9 0.429 0.5 CN1 1 ac line 2 ac neutral 3 ground 33.6 1.323 0.5 5.7 0.224 0.5 CN2 3.0 MAX 4.0(MOUNTING HOLES)X4 30.8 1.213 0.5 20.3 0.799 0.5 27.6 1.087 0.5 note: 1. Input connector mates with Molex housing 09-50-3051 and Molex 2478 series crimp terminal. 2. Output connector mates with Molex housing 09-50-3131 and Molex 2478 series crimp terminal. cui.com 1 V1 2 V1 3 V1 4 V1 5 V1 6 V1 7 com 8 com 9 com 10 com 11 com 12 com 13 n/c *pin 13 for optional power fail detect Additional Resources: Product Page | 3D Model CUI Inc │ SERIES: VSBU-120 │ DESCRIPTION: AC-DC POWER SUPPLY date 04/27/2021 │ page 4 of 4 REVISION HISTORY rev. description date 1.0 initial release 11/19/2010 1.01 applied new spec template 02/29/2012 1.02 V-Infinity branding removed 06/26/2012 1.03 safety marks updated 08/14/2012 1.04 updated derating curve 02/07/2013 1.05 updated output connector part number 09/24/2020 1.06 updated safety marks and features 04/27/2021 The revision history provided is for informational purposes only and is believed to be accurate. Headquarters 20050 SW 112th Ave. Tualatin, OR 97062 800.275.4899 Fax 503.612.2383 cui.com 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.