VSBU-120-D524A

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**date** 09/24/2020 **page** 1 of 4 

## **SERIES:** VSBU-120-D **DESCRIPTION:** AC-DC POWER SUPPLY **│** 

## **FEATURES** 

- up to 120 W continuous power 

- industry standard 3” x 5” footprint 

- universal input 90~260 Vac 

- dual output 

- active power correction 

- internal EMI filter 

- no minimum load required 

- input surge current, over voltage, over load, and over current protections 

- UL/cUL and TUV safety approvals 

- efficiency 80% 

## RoHS > 

|RoHS<br>><br>Abs|CES|CES|||||
|---|---|---|---|---|---|---|
|**MODEL**||**output**<br>**voltage**|**output**<br>**current**|**output**<br>**power**|**ripple and**<br>**noise**|**efficiency**|
||||**max**|**max**|**max**|**typ**|
|||(Vdc)|(A)|(W)|(mVp-p)|(%)|
|VSBU-120-D305|Vo1<br>Vo2|3.3<br>5|15<br>6|79.5<br>79.5|66<br>50|80<br>80|
|VSBU-120-D312|Vo1<br>Vo2|3.3<br>12|15<br>6|120<br>120|66<br>120|80<br>80|
|VSBU-120-D512|Vo1<br>Vo2|5<br>12|15<br>6|120<br>120|50<br>120|80<br>80|
|VSBU-120-D515|Vo1<br>Vo2|5<br>15|15<br>6|120<br>120|50<br>150|80<br>80|
|VSBU-120-D524A|Vo1<br>Vo2|5<br>24|15<br>3.5|120<br>120|50<br>240|80<br>80|
|VSBU-120-D524B|Vo1<br>Vo3|5<br>-24|15<br>2|120<br>120|50<br>-240|80<br>80|
|VSBU-120-D285|Vo1<br>Vo3|28<br>5|3.92<br>2|120<br>120|280<br>50|80<br>80|



## **PART NUMBER KEY** 

## **VSBU-120 -DXXXXX - X** 

Base Number 

Output Voltage 

Power Fail Detect “Blank” = No P = Yes 

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**CUI Inc │ SERIES:** VSBU-120-D **│ DESCRIPTION:** AC-DC POWER SUPPLY 

**date** 09/24/2020 **│ page** 2 of 4 

|**INPUT**||||||
|---|---|---|---|---|---|
|**parameter**|**conditions/description**|**min**|**typ**|**max**|**units**|
|voltage||90||260|Vac|
|frequency||47||63|Hz|
|current|at 115 Vac, full load<br>at 230 Vac, full load|||1.7<br>1.0|A<br>A|
|inrush current|at 115 Vac, 25°C, full load, cold start<br>at 230 Vac, 25°C, full load, cold start||30<br>65|37<br>75|A<br>A|
|power factor correction|full load at 90 ~ 260 Vac|0.95|0.97|1.0||



## **OUTPUT** 

|**OUTPUT**||||||
|---|---|---|---|---|---|
|**parameter**|**conditions/description**|**min**|**typ**|**max**|**units**|
|line regulation|full load||0.5|1|%|
|load regulation|at 230 Vac||3|5|%|
|temperature coefcient|all output|-0.04||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**|
|isolation voltage|primary to secondary<br>primary to earth ground|4,242<br>2,121|||Vdc<br>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||0.4|0.75|mA|
|RoHS compliant|yes|||||
|MTBF|MIL-HDSK-217F, 25°C ambient|100,000|||hrs|
|**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||0||75|%|



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**CUI Inc │ SERIES:** VSBU-120-D **│ DESCRIPTION:** AC-DC POWER SUPPLY 

**date** 09/24/2020 **│ page** 3 of 4 

## **DERATING CURVES** 

## output power vs. ambient temperature 

**==> picture [204 x 121] intentionally omitted <==**

**----- Start of picture text -----**<br>
100<br>80<br>60<br>50<br>40<br>20<br>0 10 20 30 40 50 60 70<br>Ambient Temperature (°C)<br>Load (%)<br>**----- End of picture text -----**<br>


## **MECHANICAL DRAWING** 

|un<br>tol|10.9 0.429<br>0.5<br>L<br>N<br>G<br>0.5<br>0.217<br>2.571<br>0.5<br>0.5<br>5.5<br>65.3<br>76.2 3.000<br>M3XP0.5(MOUNTING H<br>**CN1**<br>1<br>ac line<br>2<br>ac neutral<br>3<br>ground<br>ts: mm[inches]<br>erance: ±0.5mm|10.9 0.429<br>0.5<br>L<br>N<br>G<br>0.5<br>0.217<br>2.571<br>0.5<br>0.5<br>5.5<br>65.3<br>76.2 3.000<br>M3XP0.5(MOUNTING H<br>**CN1**<br>1<br>ac line<br>2<br>ac neutral<br>3<br>ground<br>ts: mm[inches]<br>erance: ±0.5mm|10.9 0.429<br>0.5<br>L<br>N<br>G<br>0.5<br>0.217<br>2.571<br>0.5<br>0.5<br>5.5<br>65.3<br>76.2 3.000<br>M3XP0.5(MOUNTING H<br>**CN1**<br>1<br>ac line<br>2<br>ac neutral<br>3<br>ground<br>ts: mm[inches]<br>erance: ±0.5mm|10.9 0.429<br>0.5<br>L<br>N<br>G<br>0.5<br>0.217<br>2.571<br>0.5<br>0.5<br>5.5<br>65.3<br>76.2 3.000<br>M3XP0.5(MOUNTING H<br>**CN1**<br>1<br>ac line<br>2<br>ac neutral<br>3<br>ground<br>ts: mm[inches]<br>erance: ±0.5mm|||0.560<br>14.2<br>0.5<br>0.5<br>20.3 0.799<br>27.6 1.087<br>0.5<br>5.7<br>0.5<br>0.224<br>0.5<br>27.6 1.087<br>20.3 0.799<br>0.5<br>13|||0.5<br>76.2 3.000<br>33.6 1.323<br>0.5|**CN2**<br>VSBU<br>VSBU<br>VSBU-|**CN2**<br>VSBU<br>VSBU<br>VSBU-|**CN2**<br>VSBU<br>VSBU<br>VSBU-|**CN2**<br>VSBU<br>VSBU<br>VSBU-|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
||||||||||||||||
||||||0.5<br>5.000<br>127.0<br>4.551<br>115.6<br>0.5<br>OLES)X4<br>40.0 1<br>0|.575<br>.5|||||||||
||||||||||||||||
||||||30.8 1.213<br>0.5<br>4.0(MOUNTING HO|LES)X4||MAX<br>3.0||76.2|1|-120-DXXX<br>V2|-120-D285<br>N/C|120-D524B<br>N/C|
||||||||||||2|V2|N/C|N/C|
||||||||||||3|V1|V1|V1|
||||||||||||4|V1|V1|V1|
|||**CN1**|||||||||||||
||1<br>2<br>|ac line<br>ac neutral<br>|||||||||5|V1|V1|V1|
||||||||||||6<br>7|V1<br>com|V1<br>com|V1<br>com|
||3|ground|||||||||8<br>9|com<br>com|com<br>com|com<br>com|
||||||note:<br>1. Input connector mates with Molex housing 09-50-3051 and<br>Molex 2478 series crimp terminal.||||||10|n/c|V3|V3|
||||||||||||11|com|com|com|
||||||||||||12|com|com|com|
||||||||||||13|n/c|n/c|n/c|



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. 

*pin 13 for optional power fail detect 

**cui** .com 

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**CUI Inc │ SERIES:** VSBU-120-D **│ DESCRIPTION:** AC-DC POWER SUPPLY 

**date** 09/24/2020 **│ 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|corrected model number|04/23/2012|
|1.03|V-Infnitybrandingremoved|08/14/2012|
|1.04|updated deratingcurve|02/12/2013|
|1.05|updated output connectorpart number|09/24/2020|



The revision history provided is for informational purposes only and is believed to be accurate. 

**==> picture [119 x 38] intentionally omitted <==**

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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. 

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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.