# AC/DC Open Frame Power Supply (PSU), ITE & Industrial, 1 Output, 120 W, 90V to 264V, Fixed

![Product image](https://novapart.co/image/farnell:4645624/)

**URL**: https://novapart.co/products/VOF-120D-48/ac-dc-open-frame-power-supply-psu-ite-industrial-1
**SKU**: VOF-120D-48
**Manufacturer**: CUI
**Category**: Power & Line Protection || Power Supplies || AC / DC Converters || AC / DC Open Frame Power Supplies
**Price**: €55.7300
**Stock**: 10+
**Lead Time**: 134 days (indicative)

## Specifications

| Parameter | Value |
|---|---|
| Svhc | Lead (21-Jan-2025) |
| Product Range | VOF-120D Series |
| No. Of Outputs | 1 Output |
| Input Voltage Vac | 90V to 264V |
| Power Supply Output Type | Fixed |
| Output Current - Output 1 | 2.5A |
| Output Current - Output 2 | - |
| Output Current - Output 3 | - |
| Output Current - Output 4 | - |
| Output Voltage - Output 1 | 48V |
| Output Voltage - Output 2 | - |
| Output Voltage - Output 3 | - |
| Output Voltage - Output 4 | - |
| Power Supply Applications | ITE & Industrial |
| Power Rating (Forced Cooling) | - |
| Power Rating (Convection Cooling) | 120W |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:4645624/)

**date** 12/06/2024 **page** 1 of 7 

## **SERIES:** VOF-120D **DESCRIPTION:** AC-DC POWER SUPPLY **│** 

## **FEATURES** 

- 120 W natural convection continuous output power 

- 180 W peak power for 5 seconds, 10% duty cycle 

- -40 ~ 80°C ambient operating temperature, with derating 

- 2” x 4” footprint 

- safety Class I or Class II 

- certified to EN/IEC/UL 62368-1 

- Class A/B conducted and radiated emissions[6] 

- 5,000 meter operating altitude 

- over current, short circuit, and over voltage protection 

- adjustable output voltage 

|**MODEL**|**output**<br>**voltage**|**output**<br>**current**|**output**<br>**power3**|**ripple**<br>**and noise1**|**efficiency2**|
|---|---|---|---|---|---|
||**typ**|**max**|**max**|**max**|**typ**|
||(Vdc)|(A)|(W)|(mVp-p)|(%)|
|VOF-120D-12|12|10.0|120|120|93|
|VOF-120D-24|24|5.0|120|240|94|
|VOF-120D-28|28|4.28|120|280|94|
|VOF-120D-36|36|3.33|120|360|94|
|VOF-120D-48|48|2.5|120|480|94|



## **MODEL** 

- Notes: 1. Ripple & noise are measured at 20 MHz BW with 0.1 μF ceramic cap and a 10 μF electrolytic capacitors. 

2. Typical efficiency at 230 Vac and 75% full load at 25°C. 

3. 140 W if Vin exceeds 200 Vac. 

4. All specifications are measured at Ta=25°C, 230 Vac input voltage, and rated output load unless otherwise specified. 

## **PART NUMBER KEY** 

## **- - VOF 120D XX** 

Base Number 

Output Voltage 

**cui** .com 

Please read our datasheet & drawing disclaimer here. 

**CUI Inc │ SERIES:** VOF-120D **│ DESCRIPTION:** AC-DC POWER SUPPLY 

**date** 12/06/2024 **│ page** 2 of 7 

## **INPUT** 

|**INPUT**||||||
|---|---|---|---|---|---|
|**parameter**|**conditions/description**|**min**|**typ**|**max**|**units**|
|voltage5||90|100~240|264|Vac|
|frequency||47||63|Hz|
|input current|at 100 Vac, full load|||2|A|
|inrush current|at 240 Vac, cold start|||100|A|
|leakage current|touch|||0.1|mA|
|power factor||0.9||||
|no load power consumption||||0.15|W|
|under voltage lockout||60||75|Vac|
|Notes:<br>5.  See the derating curve for more details.||||||



## **OUTPUT** 

|**OUTPUT**||||||
|---|---|---|---|---|---|
|**parameter**|**conditions/description**|**min**|**typ**|**max**|**units**|
||VOF-120D-12|||12,500|µF|
||VOF-120D-24|||6,200|µF|
|load capacitance|VOF-120D-28|||5,340|µF|
||VOF-120D-36|||4,100|µF|
||VOF-120D-48|||3,080|µF|
|line regulation|high line to low line|||±0.5|%|
|load regulation|from 10% to full load|||±1.0|%|
||at 90~264 Vac, maximum output current|||||
||VOF-120D-12|11.88|12|12.12|Vdc|
|output voltage set point|VOF-120D-24<br>VOF-120D-28|23.76<br>27.72|24<br>28|24.24<br>28.28|Vdc<br>Vdc|
||VOF-120D-36|35.64|36|36.36|Vdc|
||VOF-120D-48|47.52|48|48.48|Vdc|
||VOF-120D-12|11.04||12.96|Vdc|
||VOF-120D-24|22.08||25.92|Vdc|
|output voltage adjustment|VOF-120D-28|25.76||30.24|Vdc|
||VOF-120D-36|33.12||38.88|Vdc|
||VOF-120D-48|44.16||51.84|Vdc|
||at 90~264 Vac, see derating curve|||||
||VOF-120D-12||10.0|11.67|A|
|operating output current|VOF-120D-24<br>VOF-120D-28||5.0<br>4.28|5.83<br>4.99|A<br>A|
||VOF-120D-36||3.33|3.88|A|
||VOF-120D-48||2.5|2.92|A|
|switching frequency|||115||kHz|
|hold-up time|at 115 Vac|20|25||ms|
|**PROTECTIONS**||||||
|**parameter**|**conditions/description**|**min**|**typ**|**max**|**units**|
||latch of (AC cycle to reset)|||||
||VOF-120D-12|||14.2|Vdc|
|over voltage protection|VOF-120D-24<br>VOF-120D-28|||29.2<br>34.2|Vdc<br>Vdc|
||VOF-120D-36|||44.2|Vdc|
||VOF-120D-48|||58.2|Vdc|
|over current protection||150|160|170|%|
|short circuit protection|auto recovery||||%|



**cui** .com 

**CUI Inc │ SERIES:** VOF-120D **│ DESCRIPTION:** AC-DC POWER SUPPLY 

**date** 12/06/2024 **│ page** 3 of 7 

## **SAFETY & COMPLIANCE** 

|**parameter**|**conditions/description**<br>**min**<br>**typ**|**max**|**units**|
|---|---|---|---|
|isolation voltage|input to output for 1 minute<br>input to ground for 1 minute|4,000<br>2,500|Vdc<br>Vdc|
|safety approvals|certified to 62368: IEC, EN, UL|||
|EMI/EMC|EN 55032:2015+A11:2020, EN 61204-3:2018, EN IEC 61000-3-2:2019+A1:2021,<br>EN 61000-3-3:2013+A2:2021, EN IEC 61000-6-3:2021, EN IEC 61000-6-4:2019|||
|conducted emissions|EN 55032:2015+A11:2020 (Class I & Class II meets Class B)|||
|radiated emissions|EN 55032:2015+A11:2020 (Class I meets Class B; Class II meets Class A)|||
|ESD|IEC 61000-4-2:2008 Air Discharge: ±8 kV, Contact Discharge: ±4 kV, perf. Criteria A|||
|radiated immunity|IEC 61000-4-3:2020, perf. Criteria A|||
|EFT/burst|IEC 61000-4-4:2012, ±2 kV, perf. Criteria A|||
|surge|IEC 61000-4-5:2014+A1:2017, L-N: ± 1kV, L-E (ground): ±2 kV, perf. Criteria A|||
|conducted immunity|IEC 61000-4-6:2023, perf. Criteria A|||
|PFMF|IEC 61000-4-8:2009, perf. Criteria A|||
|voltage dips|IEC 61000-4-11:2020 Dip: 95 % 10ms, Dip: 30 % 500 ms or 60 % 200 ms, perf. Criteria A|IEC 61000-4-11:2020 Dip: 95 % 10ms, Dip: 30 % 500 ms or 60 % 200 ms, perf. Criteria A||
|voltage interruptions|IEC 61000-4-11:2020, >95 % 5000 ms, perf. Criteria B|||
|class6|Class I or Class II|||
|MTBF|as per MIL-HDBK-217F at 25 °C, full load<br>as per Telcordia SR-322 at 25 °C, full load<br>471,000<br>3,343,000||hours<br>hours|
|RoHS|yes|||



Notes: 6.  Conducted emissions: Class I & Class II meet Class B. Radiated emissions: Class I meets Class B, Class II meets Class A. 

## **ENVIRONMENTAL** 

|**ENVIRONMENTAL**||||||
|---|---|---|---|---|---|
|**parameter**|**conditions/description**|**min**|**typ**|**max**|**units**|
|operating temperature7|see derating curves<br>(safety approved at maximum 40°C)|-40||80|°C|
|storage temperature||-40||85|°C|
|operating humidity|non-condensing|-||93|%|
|operating altitude|||5,000||m|
|shock|meets MIL-STD-810F table 516.5-I,<br>10 ms, 3 times along each of the X, Y, and Z axes||75||g|
|vibration|meets MIL-STD-810F table 514.5C-VIII, 15~2000 Hz,<br>1 hr along each of the X, Y, and Z axes, total 3 hours||4||g|



Notes: 7.  Vin = 90 Vac, operates at -30°C ~ 80°C. 

## **DERATING CURVES** 

**cui** .com 

**CUI Inc │ SERIES:** VOF-120D **│ DESCRIPTION:** AC-DC POWER SUPPLY 

**date** 12/06/2024 **│ page** 4 of 7 

## **EFFICIENCY CURVES** 

**cui** .com 

**CUI Inc │ SERIES:** VOF-120D **│ DESCRIPTION:** AC-DC POWER SUPPLY 

**date** 12/06/2024 **│ page** 5 of 7 

## **MECHANICAL** 

|**MECHANICAL**||||||
|---|---|---|---|---|---|
|**parameter**|**conditions/description**|**min**|**typ**|**max**|**units**|
|dimensions|4.000 x 2.000 x 1.283 [101.6 x 50.80 x 32.6 mm]||||inch|
|weight|||200||g|
|cooling method|natural convection|||||



## **MECHANICAL DRAWING** 

units: inch [mm] tolerance: inches: x.xxx = ±0.020 mm: x.xx = ±0.50 

||AC input connector|AC input connector|AC input connector||
|---|---|---|---|---|
||CN1 (TKP PVHI-03N2 or equivalent)||||
|PIN|Function<br>Mating housing|||Terminal|
|1|AC (L)<br>JST VHR-3N||JST SVH-21T-P1.1|JST SVH-21T-P1.1|
|2|or<br>no pin|||or|
|3|equivalent<br>AC (N)|||equivalent|
||||||
||DC output connector||||
||CN2 (TKP PVHI-06 or equivalent)||||
|PIN|Function<br>Mating housing|||Terminal|
|1|+Vout||||
|2|+Vout||||
|3|JST VHR-6N<br>+Vout||JST SVH-21T-P1.1|JST SVH-21T-P1.1|
||or|||or|
|4|equivalent<br>-Vout|||equivalent|
|5|-Vout||||
|6|-Vout||||



**cui** .com 

**CUI Inc │ SERIES:** VOF-120D **│ DESCRIPTION:** AC-DC POWER SUPPLY 

**date** 12/06/2024 **│ page** 6 of 7 

## **ELECTRICAL BLOCK DIAGRAM** 

## **Figure 1** 

**cui** .com 

**CUI Inc │ SERIES:** VOF-120D **│ DESCRIPTION:** AC-DC POWER SUPPLY 

**date** 12/06/2024 **│ page** 7 of 7 

## **REVISION HISTORY** 

|**rev.**|**description**|**date**|
|---|---|---|
|1.0|initial release|12/06/2024|



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

**==> picture [119 x 38] intentionally omitted <==**

**Headquarters** 15575 SW Sequoia Pkwy #100 Portland, OR 97224 **800.275.4899** 

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

CUI offers a two (2) 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. 



## Links

- [View this product on Novapart](https://novapart.co/products/VOF-120D-48/ac-dc-open-frame-power-supply-psu-ite-industrial-1)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/cui/vof-120d-48/ac-dc-power-supply-fixed-48v-2/dp/4645624)
---

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