SDM50-12-UD-P6

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**date** 08/27/2021 **page** 1 of 6 

## **SERIES:** SDM50-UD **DESCRIPTION:** AC-DC POWER SUPPLY **│** 

## **FEATURES** 

- up to 50 W continuous power 

- meets DoE Level VI efficiency 

- universal input voltage range 

- compact size 

- no load power consumption < 0.1 W 

- over voltage and short circuit protections 

- 2xMOPP compliance 

- UL/cUL, TUV (60601-1) safety approvals 

- LED indicator 

- custom designs available 

|**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)||
|SDM50-5-UD|5|9.0|45|100|VI|
|SDM50-12-UD|12|4.16|50|240|VI|
|SDM50-15-UD|15|3.33|50|285|VI|
|SDM50-18-UD|18|3.15|57|270|VI|
|SDM50-24-UD|24|2.08|50|360|VI|
|SDM50-48-UD|48|1.04|50|720|VI|



Notes: 1. At full load, nominal input, 20 MHz bandwidth oscilloscope, output terminated with 0.1 μF multilayer ceramic and 47 μF low ESR electrolytic capacitors. 

## **PART NUMBER KEY** 

**- SDM50 XX - UDXX - XXX - XXX** Base Number Reserved for Custom Configurations DC Plug Type: Output Voltage XXX = See output plug options on page 5 for more details AC Inlet Type: ~~FINS~~ IEC320/C8 Case Color: Input Cable: “Blank” = black “Blank” = No cable W = white C = North America input cable 2 = Europe input cable 

- 4 = Australia input cable 

- 5 = China input cable 

- 6 = South Korea input cable 

- 7 = Brazil input cable 

- 8 = South Africa input cable 

- 9 = Japan input cable 

**cui** .com 

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**CUI Inc │ SERIES:** SDM50-UD **│ DESCRIPTION:** AC-DC POWER SUPPLY 

**date** 08/27/2021 **│ page** 2 of 6 

## **INPUT** 

|**INPUT**||||||
|---|---|---|---|---|---|
|**parameter**|**conditions/description**|**min**|**typ**|**max**|**units**|
|voltage||90||264|Vac|
|frequency||47||63|Hz|
|current|at 100 Vac, full load|||2.0|A|
|inrush current|at 230 Vac, full load, cold start|||160|A|
|leakage current|at 240 Vac/50 Hz|||0.1|mA|
||at 115 Vac/60 Hz ~ 230 Vac/50 Hz|||||
|no load power consumption|5 Vdc output model|||0.1|W|
||all other output models|||0.21|W|
|**OUTPUT**||||||
|**parameter**|**conditions/description**|**min**|**typ**|**max**|**units**|
|load regulation|||±5||%|
|line regulation|at full load||±1||%|
|start-up time||||3|s|
|rise time|at full load, 10~90% output voltage|||50|ms|
|hold-up time|at full load|8.3|||ms|
|**PROTECTIONS**||||||
|**parameter**|**conditions/description**|**min**|**typ**|**max**|**units**|
||5 Vdc output model, output shut-down with latch|||180|%|
||12 Vdc output model, output shut-down|||150|%|
|over voltage protection|15 Vdc output model, output shut-down with latch<br>18 Vdc output model, output shut-down|||150<br>170|%<br>%|
||24 Vdc output model, output shut-down with latch|||175|%|
||48 Vdc output model, output shut-down with latch|||150|%|
|over current protection|continuous, auto recovery|110||200|%|
|short circuit protection|continuous, auto recovery|||||



## **SAFETY & COMPLIANCE** 

|**parameter**|**conditions/description**|**min**|**typ**|**max**|**units**|
|---|---|---|---|---|---|
||15 Vdc output model|||||
|isolation voltage|input to output at 5 mA for 2 seconds<br>all other output models||1,800||Vac|
||input to output at 5 mA for 2 seconds||4,000||Vac|
|safety approvals|60601: UL/cUL, TUV|||||
|EMI/EMC|EN 55011<br>FCC Part 15 Class B|||||
|MTBF|as per MIL-HDBK-217F, 25°C|100,000|||hours|
|RoHS|yes|||||
|**ENVIRONMENTAL**||||||
|**parameter**|**conditions/description**|**min**|**typ**|**max**|**units**|
|operating temperature||0||40|°C|
|storage temperature||-20||85|°C|
|operating humidity|non-condensing|10||90|%|
|storage humidity|non-condensing|5||90|%|



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**CUI Inc │ SERIES:** SDM50-UD **│ DESCRIPTION:** AC-DC POWER SUPPLY 

**date** 08/27/2021 **│ page** 3 of 6 

## **MECHANICAL** 

|**MECHANICAL**||||||
|---|---|---|---|---|---|
|**parameter**|**conditions/description**|**min**|**typ**|**max**|**units**|
|dimensions|113 (L) x 49 (W) x 35 (H)||||mm|
|inlet plug|IEC320/C8|||||
||5, 12, 24, 48 Vdc output models||300||g|
|weight|15 Vdc output model||260||g|
||18 Vdc output model||270||g|



## **MECHANICAL DRAWING** 

units: mm tolerance:±1.0 mm 

## **DC CORD** 

units: mm 

## **Table 1** 

||**Table 1**||
|---|---|---|
|**MODEL NO.**|**CABLE**|**CORD LENGTH**|
|SDM50-5-UD|UL1185, 14 AWG|1,200 mm ±30|
|SDM50-12-UD|UL1185, 16 AWG|1,200 mm ±30|
|SDM50-15-UD|UL1185, 16 AWG|1,200 mm ±30|
|SDM50-18-UD|UL1185, 18 AWG|1,200 mm ±30|
|SDM50-24-UD|UL1185, 18 AWG|1,200 mm ±30|
|SDM50-48-UD|UL1185, 18 AWG|1,200 mm ±30|



**cui** .com 

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**CUI Inc │ SERIES:** SDM50-UD **│ DESCRIPTION:** AC-DC POWER SUPPLY 

**date** 08/27/2021 **│ page** 4 of 6 

## **AC CORDS** 

units: mm 

**==> picture [247 x 114] intentionally omitted <==**

**----- Start of picture text -----**<br>
NORTH AMERICA  EUROPE<br>CHINA KOREA<br>**----- End of picture text -----**<br>


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**----- Start of picture text -----**<br>
SOUTH AFRICA<br>**----- End of picture text -----**<br>


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**----- Start of picture text -----**<br>
JAPAN<br>**----- End of picture text -----**<br>


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AUSTRALIA<br>BRAZIL<br>**----- End of picture text -----**<br>


**Table 2** 

|**AC Input**|**Cord Length**|
|---|---|
|North America|1,830 mm ±50|
|Europe|1,830 mm ±50|
|Australia|1,830 mm ±50|
|China|1,830 mm ±50|
|South Korea|1,830 mm ±50|
|Brazil|1,800 mm ±50|
|South Africa|1,800 mm ±50|
|Japan|1,800 mm ±50|



**cui** .com 

Additional Resources:    Product Page 

**CUI Inc │ SERIES:** SDM50-UD **│ DESCRIPTION:** AC-DC POWER SUPPLY 

**date** 08/27/2021 **│ page** 5 of 6 

## **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 

|||||||||**ngle:**<br>Straight<br>t Angle|
|---|---|---|---|---|---|---|---|---|
||||||||||
|**Plug Polarity**<br>Center Pos.<br>Center Neg.<br>●<br>●<br>●<br>●<br>●<br>●<br>●<br>●<br>●<br>●<br>N/A<br>N/A||**Code**||**Dimensions (mm)**|||**Plug Angle**||
||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|●|●|
||N/A|ST|Stripped & Tinned||||N/A|N/A|



Note:        1. Contact CUI for additional plug options 

## Standard 

## Stripped & Tinned 

**==> picture [536 x 124] intentionally omitted <==**

**----- Start of picture text -----**<br>
C<br>C<br>Straight  Right Angle (R)<br>A B<br>A<br>B<br>**----- End of picture text -----**<br>


**cui** .com 

Additional Resources:    Product Page 

**CUI Inc │ SERIES:** SDM50-UD **│ DESCRIPTION:** AC-DC POWER SUPPLY 

**date** 08/27/2021 **│ page** 6 of 6 

## **REVISION HISTORY** 

|**rev.**|**description**|**date**|
|---|---|---|
|1.0|initial release|05/31/2021|
|1.01|PSE and UKCA removed from safeties|08/27/2021|



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

**==> picture [112 x 36] 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.