SMI6B-12-4-P6

AC-DC CONVERTERS POWER SUPPLIES

⚠️ Reference pricing provided. In case of supply shortages, we will connect you with our trusted procurement partners to ensure your project's continuity.

Manufacturer: BEL / PARTNER STOCK
Product type: AC / DC External Plug In Adaptor Power Supplies
SVHC: To Be Advised
Product Range: SMI6B Series

Delivery and price
Units per pack	24
Price	8.39 €
Current stock	100+
Lead time	30 days

Datasheet

Additional Resources:    Product Page    |    3D Model 

**date** 06/23/2022 **page** 1 of 5 

## **SERIES:** SMI6B **DESCRIPTION:** AC-DC POWER SUPPLY **│** 

## **FEATURES** 

- DoE Level VI, CoC Tier 2 efficiency 

- up to 6 W power 

- compact design 

- interchangeable AC blades 

- universal input (90~264 Vac) 

- single regulated output from 5~15 Vdc 

- over voltage and short circuit protections 

- UL/cUL, GS, RCM, CCC, PSE safety approvals 

- certified to 62368-1 

- custom designs available 

|**MODEL**|**input**<br>**voltage**|**input**<br>**frequency**|**output**<br>**voltage**|**output**<br>**current**|**output**<br>**power**|**ripple**<br>**and**|**efficiency**<br>**level2**|**efficiency**<br>**level2**|**no load power**<br>**consumption**|
|---|---|---|---|---|---|---|---|---|---|
|||||||**noise1**||||
||**range**|**range**|**nom**|**max**|**max**|**max**|**average3**|**10%**|**typ**|
||(Vac)|(Hz)|(Vdc)|(A)|(W)|(mVp-p)|(%)|(%)|(W)|
|SMI6B-5|90 ~ 264|47 ~ 63|5|1.2|6.0|300|80.5|74.6|0.06|
|SMI6B-6|90 ~ 264|47 ~ 63|6|1.0|6.0|300|81.3|74.5|0.06|
|SMI6B-9|90 ~ 264|47 ~ 63|9|0.66|5.94|300|79.6|71.4|0.06|
|SMI6B-12|90 ~ 264|47 ~ 63|12|0.5|6.0|300|80.9|70.6|0.07|
|SMI6B-15|90 ~ 264|47 ~ 63|15|0.4|6.0|300|80.9|71.0|0.06|



Notes: 1. At full load, 100-240 Vac input, 20 MHz bandwidth oscilloscope, output terminated with 0.1 μF and 10 μF capacitors. 

2. CoC Tier 2 compliant 

3. Average efficiency is measured at 25%, 50%, 75%, and 100% load. 

## **PART NUMBER KEY** 

## **- - - - SMI6B XX X XXX CXX** 

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Base Number<br>Output Voltage<br>**----- End of picture text -----**<br>


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Reserved for Custom<br>Configurations<br>Blades:<br>DC Plug Type:<br>4 = North America, Europe, United Kingdom,<br>       and Australia blades included XXX = See output plug options<br>          on page 4 for more details<br>V = North America, Europe, United Kingdom,<br>       Australia, and China blades included<br>N = North America blade included<br>E = Europe blade included<br>B = United Kingdom blade included<br>A = Australia blade included<br>C = China blade included<br>K = No blades included<br>**----- End of picture text -----**<br>


**cui** .com 

Additional Resources:    Product Page    |    3D Model 

**CUI Inc │ SERIES:** SMI6B **│ DESCRIPTION:** AC-DC POWER SUPPLY 

**date** 06/23/2022 **│ page** 2 of 5 

|**INPUT**||||||
|---|---|---|---|---|---|
|**parameter**|**conditions/description**|**min**|**typ**|**max**|**units**|
|voltage||90||264|Vac|
|frequency||47||63|Hz|
|current||||0.2|A|
|leakage current|at nominal AC input and frequency|||0.25|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|||±5||%|
|load regulation|||±5||%|
|start-up time|at 115 Vac input|||3|s|
|rise time|at 90~264 Vac input|||100|ms|
|hold-up time|at nominal input|5|||ms|
|**PROTECTIONS**||||||
|**parameter**|**conditions/description**|**min**|**typ**|**max**|**units**|
||output shut down, auto recovery|||||
||5 Vdc output models|||1.8|A|
|over current protection|6 Vdc output models|||1.6|A|
||9, 12 Vdc output models|||1.0|A|
||15 Vdc output models|||0.8|A|
|short circuit protection|output shut down, auto recovery|||||
|**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, GS, RCM, CCC, PSE, UKCA|||||
|EMI/EMC|FCC Part 15B Class B, CE|||||
|MTBF|as per Telcordia SR-332, Issue 2 at 115/230 Vac,<br>full load, 0~40°C|50,000|||hours|
|RoHS|yes|||||
|**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 

Additional Resources:    Product Page    |    3D Model 

**CUI Inc │ SERIES:** SMI6B **│ DESCRIPTION:** AC-DC POWER SUPPLY 

**date** 06/23/2022 **│ page** 3 of 5 

## **MECHANICAL** 

|**MECHANICAL**||||||
|---|---|---|---|---|---|
|**parameter**|**conditions/description**|**min**|**typ**|**max**|**units**|
|dimensions|47 x 34.5 x 26.5||||mm|
|inlet plug|interchangeable blades (North America, Europe, UK, Australia, China)|||||
|ac blade clip type|hidden clip|||||
|weight|5 Vdc output models (without interchangeable blades)<br>all other models (without interchangeable blades)||54<br>50||g<br>g|



## **MECHANICAL DRAWING** 

units: mm tolerance: ±1 mm 

## INTERCHANGEABLE BLADES 

## **DC CORD** 

units: mm 

BLADE N E B A C DESIGNATOR North REGION Europe UK Australia China America ~~Ss a~~ BLADE SMI-US-3 SMI-EU-3 SMI-UK-3 SMI-AU-3 SMI-CN-3 ACCESSORY BLADE ~~[ale PO~~ 

## **Table 1** 

||**Table 1**||
|---|---|---|
|**MODEL NO.**|**CABLE**|**CORD LENGTH**|
|SMI6B-5|UL2468, 22 AWG|1,530 mm ±50|
|SMI6B-6|UL2468, 22 AWG|1,530 mm ±50|
|SMI6B-9|UL2468, 24 AWG|1,530 mm ±50|
|SMI6B-12|UL2468, 24 AWG|1,530 mm ±50|
|SMI6B-15|UL2468, 24 AWG|1,530 mm ±50|



**cui** .com 

Additional Resources:    Product Page    |    3D Model 

**CUI Inc │ SERIES:** SMI6B **│ DESCRIPTION:** AC-DC POWER SUPPLY 

**date** 06/23/2022 **│ page** 4 of 5 

## **DC PLUG TYPE PART NUMBER KEY** 

## **X X X** 

|N = Center Negative|N = Center Negative|N = Center Negative|N = Center Negative|N = Center Negative|N = Center Negative|N = Center Negative|N = Center Negative|
|---|---|---|---|---|---|---|---|
|**Plug Polarity**||**Code**||**Dimensions (mm)**||||
|Center Pos.|Center Neg.|Option|Type|A|B|C|Straight|
|●|●|5|Standard|5.5|2.1|9.5|●|
|●|●|6|Standard|5.5|2.5|9.5|●|
|●|●|7|Standard|3.5|1.35|9.5|●|
|●|●|10|Locking2|5.5|2.1|9.5|●|
|●|●|11|Locking2|5.5|2.5|9.5|●|
|●|●|12|EIAJ-1|2.35|0.7|9.5|●|
|●|●|13|EIAJ-2|4.0|1.7|9.5|●|
|●|●|14|EIAJ-3|4.75|1.7|9.5|●|
|N/A|N/A|CUB|USB|USB Type C|||●|
|N/A|N/A|MUB|USB|Micro USB Type B|||●|



Note:        1. Contact CUI for additional plug options 2. Maximum insertion depth is 10mm 

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Standard<br>**----- End of picture text -----**<br>


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Standard  EIAJ<br>C C C C<br>Straight  Right Angle (R) Straight  Right Angle (R)<br>Locking  USB<br>6.7±0.3 5.8±0.5<br>C 2.5±0.3<br>VBUS: A4,A9,B4,B9<br>GND: A1,A12,B1,B12 P5(-) P1(+)<br> USB Type C Micro USB Type B<br>A B<br>A B A B<br>A B<br>A B<br>**----- End of picture text -----**<br>


**cui** .com 

Additional Resources:    Product Page    |    3D Model 

**CUI Inc │ SERIES:** SMI6B **│ DESCRIPTION:** AC-DC POWER SUPPLY 

**date** 06/23/2022 **│ page** 5 of 5 

## **REVISION HISTORY** 

|**rev.**|**description**|**date**|
|---|---|---|
|1.0|initial release|06/04/2019|
|1.01|companylogo updated|09/30/2020|
|1.02|model table updated|11/27/2020|
|1.03|UKCA added to spec|08/10/2021|
|1.04|plug polaritysymbols updated|09/16/2021|
|1.05|dcplugs updated|04/24/2022|
|1.06|ac blade cliptype added|06/23/2022|



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.

Updated at June 3, 2026

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