SMI18-15-V-P5

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: SMI18 Series

Delivery and price
Units per pack	12
Price	18.96 €
Current stock	10+
Lead time	30 days

Datasheet

Additional Resources:    Product Page ~~So~~ |    3D Model 

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

## **SERIES:** SMI18 **DESCRIPTION:** AC-DC POWER SUPPLY **│** 

## **FEATURES** 

- up to 18 W continuous power 

- DoE Level VI, CoC Tier 2 efficiency 

- no load power consumption < 0.075 W 

- universal input voltage range 

- interchangeable Ac blades for global use 

- over voltage, over current, and short circuit protections 

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

- certified to 60950-1 and 62368-1 standards 

|**MODEL**<br>@|@=|**input**<br>**voltage**<br> Ly ©|**input**<br>**frequency**<br> ~~©~~ CEFE|**output**<br>**voltage**<br>CEFE|**output**<br>**current**<br> YE|**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)|
|SMI18-5||90 ~ 264|47 ~ 63|5|3.0|15.0|100|82.2|79.0|0.07|
|SMI18-5.9||90 ~ 264|47 ~ 63|5.9|3.0|17.7|100|83.1|76.9|0.07|
|SMI18-9||90 ~ 264|47 ~ 63|9|2.2|19.8|100|86.5|80.7|0.07|
|SMI18-12||90 ~ 264|47 ~ 63|12|1.6|19.2|120|85.9|79.7|0.07|
|SMI18-15||90 ~ 264|47 ~ 63|15|1.3|19.5|150|88.2|81.5|0.07|
|SMI18-18||90 ~ 264|47 ~ 63|18|1.1|19.8|180|88.0|81.7|0.06|
|SMI18-24||90 ~ 264|47 ~ 63|24|0.8|19.2|240|88.7|81.8|0.07|



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. 

2. CoC Tier 2 compliant. 

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

## **PART NUMBER KEY** 

## **- - - - SMI18 XX X XXX CXX** 

**==> picture [125 x 24] intentionally omitted <==**

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


Reserved for Custom Configurations 

Blades: 

V = North America, Europe, United Kingdom, Australia, and China blade included N = North America blade included E = Europe blade included 

DC Plug Type: XXX = See output plug options on page 4 for more details 

B = United Kingdom blade included 

A = Australia blade included 

C = China blade included 

K = No blades included 

**cui** .com 

Additional Resources:    Product Page    |    3D Model 

**CUI Inc │ SERIES:** SMI18 **│ 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||||0.48|A|
|inrush current|at 100 Vac, full load, 25°C, cold start<br>at 230 Vac, full load, 25°C, cold start|||50<br>60|A<br>A|
|leakage current||||0.25|mA|
|no load power consumption|at 230 Vac|||0.075|W|
|**OUTPUT**||||||
|**parameter**|**conditions/description**|**min**|**typ**|**max**|**units**|
|regulation|5 Vdc output model<br>all other models||±6<br>±5||%<br>%|
|hold-up time|at full load|10|||ms|
|**PROTECTIONS**||||||
|**parameter**|**conditions/description**|**min**|**typ**|**max**|**units**|
||output shut down|||||
||5 Vdc output model|||12|Vdc|
||5.9 Vdc output model|||12|Vdc|
|over voltage protection|9 Vdc output model<br>12 Vdc output model|||16<br>22|Vdc<br>Vdc|
||15 Vdc output model|||32|Vdc|
||18 Vdc output model|||32|Vdc|
||24 Vdc output model|||45|Vdc|
||output shut down, auto recovery|||||
||5 Vdc output model|||7|A|
||5.9 Vdc output model|||6|A|
|over current protection|9 Vdc output model<br>12 Vdc output model|||5<br>5|A<br>A|
||15 Vdc output model|||4|A|
||18 Vdc output model|||4|A|
||24 Vdc output model|||2.5|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||Vac|
|isolation resistance|input to output at 500 Vdc|10|||MΩ|
|safety approvals|UL/cUL (60950-1, 62368-1), RCM, CCC, PSE,<br>UKCA|||||
|EMI/EMC|FCC Part 15B Class B, CE|||||
|MTBF|as per Telcordia SR-332, 25°C|300,000|||hours|
|RoHS|yes|||||
|**ENVIRONMENTAL**||||||
|**parameter**|**conditions/description**|**min**|**typ**|**max**|**units**|
|operating temperature||0||40|°C|
|storage temperature||-20||80|°C|
|operating humidity|non-condensing|20||80|%|
|storage humidity|non-condensing|10||90|%|



**cui** .com 

Additional Resources:    Product Page    |    3D Model 

**CUI Inc │ SERIES:** SMI18 **│ DESCRIPTION:** AC-DC POWER SUPPLY 

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

## **MECHANICAL** 

|**MECHANICAL**||||||
|---|---|---|---|---|---|
|**parameter**|**conditions/description**|**min**|**typ**|**max**|**units**|
|dimensions|75 x 35.8 x 65.6||||mm|
|inlet plug|interchangeable blades (North America, Europe, UK, Australia, China)|||||
|ac blade clip type|pinch clip|||||
|weight|without blades||170||g|



## **MECHANICAL DRAWING** 

units: mm tolerance: ±1.0 mm 

INTERCHANGEABLE BLADES ~~|~~ BLADE N E B A C DESIGNATOR North ~~ee ee~~ REGION Europe UK Australia China America ~~{| |~~ BLADE SMI-US-2 SMI-EU-2 SMI-UK-2 SMI-AU-2 SMI-CN-2 ACCESSORY ~~— |~~ US Europe UK Australia China (N) (E) (B) (A) (C) BLADE 

## **DC CORD** 

units: mm 

## **Table 1** 

||**Table 1**||
|---|---|---|
|**MODEL NO.**|**CABLE**|**CORD LENGTH**|
|SMI18-5|UL2468, 16 AWG|1,500 mm ±30|
|SMI18-5.9|UL2468, 16 AWG|1,200 mm ±30|
|SMI18-9|UL2468, 18 AWG|1,500 mm ±30|
|SMI18-12|UL2468, 20 AWG|1,500 mm ±30|
|SMI18-15|UL2468, 22 AWG|1,500 mm ±30|
|SMI18-18|UL2468, 22 AWG|1,500 mm ±30|
|SMI18-24|UL2468, 22 AWG|1,500 mm ±30|



**cui** .com 

Additional Resources:    Product Page    |    3D Model 

**CUI Inc │ SERIES:** SMI18 **│ DESCRIPTION:** AC-DC POWER SUPPLY 

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

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

## **X X X** 

**Plug Polarity: Plug Code: Plug Angle:** P = Center Positive X = Choose a code from the “blank” = Straight options below R = Right Angle N = Center Negative 

|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)**|||**Plug Angle**||
|Center Pos.|Center Neg.|Option|Type|A|B|C|Straight|Right|
|●|●|5|Standard|5.5|2.1|9.5|●|●|
|●|●|6|Standard|5.5|2.5|9.5|●|●|
|●|●|7|Standard|3.5|1.35|9.5|●|●|
|●|●|8|Standard|3.8|1.35|9.5|●|●|
|●|●|9|Standard|3.8|1.05|9.5|●|●|
|●|●|10|Locking2|5.5|2.1|9.5|●|N/A|
|●|●|11|Locking2|5.5|2.5|9.5|●|N/A|
|●|●|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|ST|Stripped & Tinned||||N/A|N/A|



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

**==> picture [514 x 147] intentionally omitted <==**

**----- Start of picture text -----**<br>
Standard  EIAJ<br>C C C C<br>Straight  Right Angle (R) Straight  Right Angle (R)<br>Locking  Stripped & Tinned<br>A B<br>A B A B<br>A B<br>**----- End of picture text -----**<br>


**==> picture [421 x 64] intentionally omitted <==**

**----- Start of picture text -----**<br>
25±5<br>C 2.5±0.3<br>5±5<br>10±2<br>A B<br>**----- End of picture text -----**<br>


**cui** .com 

Additional Resources:    Product Page    |    3D Model 

**CUI Inc │ SERIES:** SMI18 **│ DESCRIPTION:** AC-DC POWER SUPPLY 

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

## **REVISION HISTORY** 

|**rev.**|**description**|**date**|
|---|---|---|
|1.0|initial release|08/07/2015|
|1.01|added 5.9 Vdc output model|09/01/2015|
|1.02|updated datasheet|11/04/2015|
|1.03|housingwidth changed to 35.8 mm|01/27/2016|
|1.04|changed wiregauge on 5 Vdc & 5.9 Vdc models, updated datasheet|09/15/2016|
|1.05|added 62368-1 standard|08/31/2018|
|1.06|companylogo updated|09/30/2020|
|1.07|model table updated|11/27/2020|
|1.08|UKCA added to the specifcation|05/25/2021|
|1.09|plug polaritysymbols updated|09/16/2021|
|1.10|dcplugs updated|04/27/2022|
|1.11|ac blade cliptype added|06/23/2022|



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

**==> picture [118 x 38] intentionally omitted <==**

**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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