SMI30C-P-3W

**date** 11/22/2025 **page** 1 of 4 

## **SERIES:** SMI30C **DESCRIPTION:** AC-DC POWER SUPPLY **│** 

## **FEATURES** 

- up to 30 W continuous power 

- interchangeable ac blades for global use 

- universal input voltage range 

- integrated USB Type C receptacle 

- USB Power Delivery (PD) 3.0 

- compliant with BC1.2 and QC4+ 

- 5, 9, 12, 15, 20 Vdc output 

- USB PPS 3.3~16 Vdc 

- UL/CUL, CE, FCC safety approvals 

|**MODEL**|**output**<br>**voltage**|**output**<br>**current**|**output**<br>**power**|**ripple**<br>**and noise1**|**efficiency**<br>**level**|
|---|---|---|---|---|---|
||**nom**|**max**|**max**|**max**||
||(Vdc)|(A)|(W)|(mVp-p)||
||5|3.0|15|150|VI|
||9|3.0|27|150|VI|
||12|2.5|30|200|VI|
|SMI30C|15|2.0|30|250|VI|
||20|1.5|30|300|VI|
||3.3~11.0|3.0|30|250|VI|
||3.3~16.0|2.0|30|300|VI|



- Notes: 1. At full load, nominal input, 20 MHz bandwidth oscilloscope, each output terminated with 0.1 μF multilayer and 10 μF low ESR electrolytic capacitors. 

2. AC 115V/60Hz and 230V/50Hz, output load current from 100%, 75%, 50%, 25%. 

## **PART NUMBER KEY** 

**SMI30C - P - X X X- CXX** Base Number Reserved for Custom Configurations Output Voltage: P = 5 Outputs USB type C cord: “Blank” = without DC cord S ~~Y~~ WN ~~o~~ U = DC cord USB-C to USB-C (1m) e Blades: Case Color: V = DC cord USB-C to USB-C (1.5m) N = North America blade included “Blank” = black Note: The color of the DC cord matches the color of the product. E = Europe blade included W = white B = United Kingdom blade included A = Australia blade included 

C = China blade included 

- 3 = NA, EU, UK blades included 

- 4 = NA, EU, UK, AU blades included 

- V = NA, EU, UK, AU, CN blades included 

- K = No blades 

**belfuse** .com 

**CUI Inc │ SERIES:** SMI30C **│ DESCRIPTION:** AC-DC POWER SUPPLY 

**date** 11/22/2025 **│ page** 2 of 4 

|**INPUT**||||||
|---|---|---|---|---|---|
|**parameter**|**conditions/description**|**min**|**typ**|**max**|**units**|
|voltage||90|100~240|264|Vac|
|frequency||47|50~60|63|Hz|
|current||||0.8|A|
|leakage current||||0.25|mA|
|no load power consumption|at 230 Vac|||0.1|W|
|**OUTPUT**||||||
|**parameter**|**conditions/description**|**min**|**typ**|**max**|**units**|
|load regulation|||±5||%|
|line regulation|||±5||%|
|start-up time||||4|s|
|rise time||||100|ms|
|hold-up time|at 115 & 230 Vac, full load|8|||ms|
|**PROTECTIONS**||||||
|**parameter**|**conditions/description**|**min**|**typ**|**max**|**units**|
|over voltage protection|output shut down with clamp|||||
|over current protection|auto recovery|||4|A|
|short circuit protection|auto recovery|||||
|**SAFETY & COMPLIANCE**||||||
|**parameter**|**conditions/description**|**min**|**typ**|**max**|**units**|
|isolation voltage|input to output for 1 minute, 10 mA max||3,000||Vac|
|safety approvals|certifed to 62368-1: UL, EN|||||
|EMI/EMC|FCC part 15: Class B for radiated and conducted emissions<br>EN 55032, Class B for radiated and conducted emissions|||||
|MTBF|as per Telcordia Technologies SR-332 (Issue 3),<br>at 25°C|300,000|||hours|
|RoHS|yes|||||
|**ENVIRONMENTAL**||||||
|**parameter**|**conditions/description**|**min**|**typ**|**max**|**units**|
|operating temperature||0||40|°C|
|storage temperature||-20||70|°C|
|operating humidity|non-condensing|5||95|%|
|storage humidity|non-condensing|5||95|%|



**belfuse** .com 

**CUI Inc │ SERIES:** SMI30C **│ DESCRIPTION:** AC-DC POWER SUPPLY 

**date** 11/22/2025 **│ page** 3 of 4 

## **MECHANICAL** 

|**MECHANICAL**||||||
|---|---|---|---|---|---|
|**parameter**|**conditions/description**|**min**|**typ**|**max**|**units**|
|dimensions|45 (L) x 45 (W) x 30 (H)||||mm|
|inlet plug|interchangeable blades (US, EU, UK, AU, CN)|||||
|ac blade clip type|top release|||||
|weight|without blades||61.9||g|



## **MECHANICAL DRAWING** 

units: mm tolerance: ±1.0 mm 

|INTERCHANGEABLE BLADES|INTERCHANGEABLE BLADES|INTERCHANGEABLE BLADES|INTERCHANGEABLE BLADES|INTERCHANGEABLE BLADES|INTERCHANGEABLE BLADES|
|---|---|---|---|---|---|
|BLADE<br>DESIGNATOR|N|E|B|A|C|
|REGION|North<br>America|Europe|UK|Australia|China|
|BLADE<br>ACCESSORY|SMI-US-8|SMI-EU-8|SMI-UK-8|SMI-AU-8|SMI-CN-8|
|BLADE|L<br>J<br>~~ofp)~~|KO9<br>~~elf)~~|=<br>8<br>~~SP)~~|\ 7<br>~~ff|~~|_<br>W) J<br>~~|~~|



## **DC CORD** 

Plugs: USB-C to USB-C Length: 1,000/1,500 mm Color: black/white 

**belfuse** .com 

**CUI Inc │ SERIES:** SMI30C **│ DESCRIPTION:** AC-DC POWER SUPPLY 

**date** 11/22/2025 **│ page** 4 of 4 

## **REVISION HISTORY** 

|**rev.**|**description**|**date**|
|---|---|---|
|1.0|initial release|02/05/2025|
|1.01|ac blade cliptype updated|11/22/2025|



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

**==> picture [115 x 37] intentionally omitted <==**

15575 SW Sequoia Pkwy #100 Fax 503.612.2383 Portland, OR 97224 Belfuse.com 800.275.4899 powersupport@belf.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.