SWI3-5-N-I38

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**date** 04/22/2021 **page** 1 of 4 

## **SERIES:** SWI3-N-USB **DESCRIPTION:** AC-DC POWER SUPPLY **│** 

## **FEATURES** 

- up to 3 W continuous power 

- DoE Level VI efficiency 

- universal input voltage range 

- ultra-compact case 

- no load power consumption < 0.075 W 

- over voltage, over current, and short circuit protections 

- UL/cUL, PSE, FCC safety approvals 

- Class II construction 

- UL 62368 certified 

|**MODEL**|**output**<br>**voltage**|**output**<br>**current**|**output**<br>**power**|**ripple**<br>**and noise1**|**efficiency**<br>**level**|
|---|---|---|---|---|---|
|||**max**|**max**|**max**||
||(Vdc)|(A)|(W)|(mVp-p)||
|SWI3-5-N-I38|5|0.6|3|150|VI|



Notes: 1. At full load, nominal AC input voltage, 25°C, 20 MHz bandwidth oscilloscope, output terminated with 0.1 µF and 10 µF capacitors to ground. 

## **PART NUMBER KEY** 

## **- - - SWI3 XX - N I38 CXX** 

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Reserved for Custom<br>Base Number Configurations<br>Output Voltage<br>AC Input Type:<br>North America USB Type A Outlet<br>**----- End of picture text -----**<br>


**cui** .com 

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**CUI Inc │ SERIES:** SWI3-N-USB **│ DESCRIPTION:** AC-DC POWER SUPPLY 

**date** 04/22/2021 **│ page** 2 of 4 

|**INPUT**||||||
|---|---|---|---|---|---|
|**parameter**|**conditions/description**|**min**|**typ**|**max**|**units**|
|voltage||90||264|Vac|
|frequency||47||63|Hz|
|current|at nominal input voltage|||0.2|A|
|leakage current|at nominal input voltage & frequency|||0.02|mA|
|no load power consumption|at 115/230 Vac, 60/50 Hz|||0.075|W|
|**OUTPUT**||||||
|**parameter**|**conditions/description**|**min**|**typ**|**max**|**units**|
|line regulation||4.9||5.4|Vdc|
|load regulation||4.9||5.4|Vdc|
|start-up time|at 115 Vac|||3|s|
|**PROTECTIONS**||||||
|**parameter**|**conditions/description**|**min**|**typ**|**max**|**units**|
|over current protection|auto recovery|||0.9|A|
|short circuit protection||||||
|**SAFETY & COMPLIANCE**||||||
|**parameter**|**conditions/description**|**min**|**typ**|**max**|**units**|
|isolation voltage|input to output at 10 mA for 1 minute||3,000<br>4,242||Vac<br>Vdc|
|safety approvals|UL/cUL, PSE|||||
|EMI/EMC|FCC Part 15 Subpart B Class B|||||
|MTBF|as per Telcordia SR-332 (Issue 2), at 115/230 Vac,<br>full load, 0°C~40°C|50,000|||hours|
|RoHS|2011/65/EU|||||
|**ENVIRONMENTAL**||||||
|**parameter**|**conditions/description**|**min**|**typ**|**max**|**units**|
|operating temperature||0||40|°C|
|storage temperature||-20||60|°C|
|operating humidity|non-condensing|20||85|%|
|storage humidity|non-condensing|5||95|%|



**cui** .com 

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**CUI Inc │ SERIES:** SWI3-N-USB **│ DESCRIPTION:** AC-DC POWER SUPPLY 

**date** 04/22/2021 **│ page** 3 of 4 

## **MECHANICAL** 

|**MECHANICAL**||||||
|---|---|---|---|---|---|
|**parameter**|**conditions/description**|**min**|**typ**|**max**|**units**|
|dimensions|47.40 x 36.30 x 22.80||||mm|
|inlet plug|North America, 2-pin|||||
|weight|||26||g|



## **MECHANICAL DRAWING** 

units: mm 

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PIN Output Voltage<br>1 +5V<br>2 Short<br>3 Short<br>P|<br>4 GND<br>+5V<br>1<br>4<br>GND<br>**----- End of picture text -----**<br>


**cui** .com 

Additional Resources:    Product Page    |    3D Model 

**CUI Inc │ SERIES:** SWI3-N-USB **│ DESCRIPTION:** AC-DC POWER SUPPLY 

**date** 04/22/2021 **│ page** 4 of 4 

## **REVISION HISTORY** 

|**rev.**|**description**|**date**|
|---|---|---|
|1.0|initial release|09/14/2017|
|1.01|updated features|07/22/2020|
|1.02|safetymarks updated|04/22/2021|



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

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**Headquarters** 20050 SW 112th Ave. Tualatin, OR 97062 **800.275.4899** 

Fax 503.612.2383 **cui** .com techsupport@cui.com 

This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: 

(1) This device may not cause harmful interference, and 

- (2) this device must accept any interference received, including interference that may cause undesired operation. 

CUI offers a one (1) 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.