PBO-5F-9-Y1

**date** 09/18/2025 **page** 1 of 6 

## **SERIES:** PBO-5F **DESCRIPTION:** AC-DC POWER SUPPLY **│** 

## **FEATURES** 

- compact size, industrial design 

- available in straight and bent pin formats 

- IEC/EN/UL 62368-1 certified 

- wide operating temperature -40°C ~ 85°C (with derating) 

- wide input voltage range 85~305 Vac / 70~430 Vdc 

- high efficiency, up to 81 % 

- short-circuit and over current protection 

- no-load power consumtion (<0.1W) 

- open frame SIP design with bent pin option 

- flexible implementations to power a wide array of applications 

- MTBF >2,700,000 hours 

|**MODEL**<br>HowsCALs<br>C€|**output**<br>**voltage**|**output**<br>**current**|**output**<br>**power**|**ripple**<br>**and noise1**|**efficiency**|
|---|---|---|---|---|---|
|||**max**|**max**|**max**|**typ**|
||(Vdc)|(mA)|(W)|(mVp-p)|**(%)**|
|PBO-5F-3|3.3|1,000|3.3|150|69|
|PBO-5F-5|5|1,000|5.0|150|76|
|PBO-5F-9|9|560|5.0|150|77|
|PBO-5F-12|12|420|5.0|150|79|
|PBO-5F-15|15|340|5.0|150|79|
|PBO-5F-24|24|210|5.0|150|81|



Notes: 1. Measured at nominal input with 20 MHz bandwidth oscilloscope. 

2. All specifications are measured at Ta=25°C, humidity <75%, nominal input voltage, and rated output load unless otherwise specified. 

## **PART NUMBER KEY** 

## **- - - PBO 5F XX XX** 

Base Number 

Output Voltage 

Mounting style: “blank” = straight pin Y1 = bent pin 

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Please read our datasheet & drawing disclaimer here. 

**CUI Inc │ SERIES:** PBO-5F **│ DESCRIPTION:** AC-DC POWER SUPPLY 

**date** 09/18/2025 **│ page** 2 of 6 

|**INPUT**||||||
|---|---|---|---|---|---|
|**parameter**|**conditions/description**|**min**|**typ**|**max**|**units**|
|voltage|AC input<br>DC input|85<br>70|100~277|305<br>430|Vac<br>Vdc|
|frequency||47|50~60|63|Hz|
|current|at 115 Vac<br>at 230 Vac|||0.20<br>0.10|A<br>A|
|inrush current|at 115 Vac<br>at 230 Vac||20<br>40||A<br>A|
|no load power consumption|at 230 Vac||0.1|0.15|W|
|**OUTPUT**||||||
|**parameter**|**conditions/description**|**min**|**typ**|**max**|**units**|
||3.3 Vdc output model|||2,200|µF|
||5 Vdc output model|||1,500|µF|
|capacitive load|9 Vdc output model<br>12 Vdc output model|||680<br>470|µF<br>µF|
||15 Vdc output model|||330|µF|
||24 Vdc output model|||100|µF|
||from 10~100% load|||||
|initial set point accuracy|3.3 Vdc output model||±8||%|
||all other output models||±5||%|
|line regulation|at rated load||±1.5||%|
|load regulation|from 10~100% load||±3||%|
|switching frequency|||65||kHz|
|**PROTECTIONS**||||||
|**parameter**|**conditions/description**|**min**|**typ**|**max**|**units**|
|over current protection|auto recovery|110|||%|
|short circuit protection|auto recovery|||||
|**SAFETY & COMPLIANCE**||||||
|**parameter**|**conditions/description**|**min**|**typ**|**max**|**units**|
|isolation voltage|input to output for 5 seconds, 5mA max|3,600<br>5,000|||Vac<br>Vdc|
|safety approvals|certifed to 62368-1: IEC, EN, UL|||||
|conducted emissions|EN55032, CLASS B (see Fig. 2 for recommended|circuit)||||
|radiated emissions|EN55032, CLASS B (see Fig. 2 for recommended|circuit)||||
|EMC immunity|EN55035 (see Fig. 2 for recommended circuit)|||||
|MTBF|as per MIL-HDBK-217F at 50°C ambient<br>temperature|2,700,000|||hours|
|RoHS|yes|||||
|**ENVIRONMENTAL**||||||
|**parameter**|**conditions/description**|**min**|**typ**|**max**|**units**|
|operating temperature|see derating curves|-40||85|°C|
|storage temperature||-40||105|°C|
|operating humidity||-||95|%|



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**CUI Inc │ SERIES:** PBO-5F **│ DESCRIPTION:** AC-DC POWER SUPPLY 

**date** 09/18/2025 **│ page** 3 of 6 

## **DERATING CURVES** 

## **MECHANICAL** 

|**MECHANICAL**|||||
|---|---|---|---|---|
|**parameter**|**conditions/description**<br>**min**|**typ**|**max**|**units**|
|dimensions|straight pin: 26.40 x 14.73 x 11.00 [1.039 x 0.578 x 0.433 inch]<br>bent pin: 27.84 x 11.60 x 17.60 [1.096 x 0.457 x 0.693 inch]|||mm<br>mm|
|cooling|natural convection||||



## **MECHANICAL DRAWING** 

## **Straight pin** 

units: mm [inch] pin section tolerance: ±0.15[±0.006] tolerance: ±1.0[±0.040] 

|PIN CONNECTIONS|PIN CONNECTIONS|
|---|---|
|PIN|Function|
|1|AC (L)|
|2|AC (N)|
|3|+V(CAP)|
|4|-V(CAP)|
|5|-Vo|
|6|+Vo|



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**CUI Inc │ SERIES:** PBO-5F **│ DESCRIPTION:** AC-DC POWER SUPPLY 

**date** 09/18/2025 **│ page** 4 of 6 

## **MECHANICAL DRAWING (CONTINUED)** 

## **Bent pin** 

units: mm [inch] pin section tolerance: ±0.15[±0.006] tolerance: ±1.0[±0.040] 

|PIN CONNECTIONS|PIN CONNECTIONS|
|---|---|
|PIN|Function|
|1|AC (L)|
|2|AC (N)|
|3|+V(CAP)|
|4|-V(CAP)|
|5|-Vo|
|6|+Vo|



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**CUI Inc │ SERIES:** PBO-5F **│ DESCRIPTION:** AC-DC POWER SUPPLY 

**date** 09/18/2025 **│ page** 5 of 6 

## **APPLICATION DESIGN REFERENCE** 

## **Figure 1** 

## **EMC RECOMMENDED CIRCUIT** 

## **Figure 2** 

## **Table 1** 

|**Table 1**|**Table 1**|**Table 1**|**Table 1**|**Table 1**|**Table 1**|**Table 1**|
|---|---|---|---|---|---|---|
|Additional component selectionguide|||||||
||3.3|5|9|12|15|24|
|FUSE|300V/2A||||||
|MOV|14D561K||||||
|LF|UU9.8,30mH min||||||
|CX|0.1µF/310V||||||
|CY0|1000pF/400V||||||
|CY1, CY2|470pF/250V||||||
|C1|15µF/450V||||||
|C2|820µF/10V<br>(solid-state capacitor)||470µF/25V<br>(solid-state capacitor)|||330µF/35V<br>(solid-state<br>capacitor)|
|C3|470µF/10V||220µF/35V||||
|L1|2.2µH||||||
|TVS|SMBJ7.0A|SMBJ7.0A|SMBJ12A|SMBJ20A|SMBJ20A|SMBJ30A|



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**CUI Inc │ SERIES:** PBO-5F **│ DESCRIPTION:** AC-DC POWER SUPPLY 

**date** 09/18/2025 **│ page** 6 of 6 

## **REVISION HISTORY** 

|**rev.**|**description**|**date**|
|---|---|---|
|1.0|initial release|09/18/2025|



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

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

15575 SW Sequoia Pkwy #100 Portland, OR 97224 800.275.4899 

Fax 503.612.2383 Belfuse.com powersupport@belf.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.