# PCB MOUNT AC - DC CONVERTERS

**URL**: https://novapart.co/products/PSK-S25D-3/pcb-mount-ac-dc-converters
**SKU**: PSK-S25D-3
**Manufacturer**: BEL / PARTNER STOCK
**Category**: Power & Line Protection || Power Supplies || AC / DC Converters || AC / DC PCB Mount Power Supplies
**Price**: €30.1100
**Stock**: 25+

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (25-Jun-2025) |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:4773509/)

Additional Resources:    Product Page 

**date** 09/13/2022 **page** 1 of 9 

## **SERIES:** PSK-S25D **DESCRIPTION:** AC-DC POWER SUPPLY 

|**SERIES:**PSK-S25D**DESCRIPTION:**<br>**MODEL**<br>PSK-S25D-31,2<br>PSK-S25D-51,3<br>PSK-S25D-91,2,3<br>PSK-S25D-12<br>**FEATURES**<br>Hols(WANs<br>CE|**SERIES:**PSK-S25D**DESCRIPTION:**<br>**MODEL**<br>PSK-S25D-31,2<br>PSK-S25D-51,3<br>PSK-S25D-91,2,3<br>PSK-S25D-12<br>**FEATURES**<br>Hols(WANs<br>CE|**DESCRIPTION:**<br>**output**<br>**voltage**<br>(Vdc)<br>3.3<br>5<br>9<br>12<br> CA|**DESCRIPTION:**AC-DC POWER SUPPLY<br>**output**<br>**current**<br>**output**<br>**power**<br>**ripple**<br>**and noise1**<br>**2**<br>**min**<br>(A)<br>**max**<br>(A)<br>**max**<br>(W)<br>**max**<br>(mVp-p)<br>**(%)**<br>0<br>4.10<br>13.5<br>100<br>74<br>0<br>4.10<br>20.5<br>100<br>79<br>0<br>2.50<br>22.5<br>100<br>81<br>0<br>2.10<br>25.2<br>100<br>83<br>TINUED|**DESCRIPTION:**AC-DC POWER SUPPLY<br>**output**<br>**current**<br>**output**<br>**power**<br>**ripple**<br>**and noise1**<br>**2**<br>**min**<br>(A)<br>**max**<br>(A)<br>**max**<br>(W)<br>**max**<br>(mVp-p)<br>**(%)**<br>0<br>4.10<br>13.5<br>100<br>74<br>0<br>4.10<br>20.5<br>100<br>79<br>0<br>2.50<br>22.5<br>100<br>81<br>0<br>2.10<br>25.2<br>100<br>83<br>TINUED|**DESCRIPTION:**AC-DC POWER SUPPLY<br>**output**<br>**current**<br>**output**<br>**power**<br>**ripple**<br>**and noise1**<br>**2**<br>**min**<br>(A)<br>**max**<br>(A)<br>**max**<br>(W)<br>**max**<br>(mVp-p)<br>**(%)**<br>0<br>4.10<br>13.5<br>100<br>74<br>0<br>4.10<br>20.5<br>100<br>79<br>0<br>2.50<br>22.5<br>100<br>81<br>0<br>2.10<br>25.2<br>100<br>83<br>TINUED|**DESCRIPTION:**AC-DC POWER SUPPLY<br>**output**<br>**current**<br>**output**<br>**power**<br>**ripple**<br>**and noise1**<br>**2**<br>**min**<br>(A)<br>**max**<br>(A)<br>**max**<br>(W)<br>**max**<br>(mVp-p)<br>**(%)**<br>0<br>4.10<br>13.5<br>100<br>74<br>0<br>4.10<br>20.5<br>100<br>79<br>0<br>2.50<br>22.5<br>100<br>81<br>0<br>2.10<br>25.2<br>100<br>83<br>TINUED|
|---|---|---|---|---|---|---|
|PSK-S25D-151,2||15|0<br>1.60|24|100|84|
|PSK-S25D-241,3||24|0<br>1.10|26.4|100|85|
|PSK-S25D-482,3||48|0<br>0.50|24|100|87|



## **FEATURES** 

- Notes: 1. At full load, nominal input, 20 MHz bandwidth oscilloscope, with 1 µF ceramic and 10 µF electrolytic capacitors on the output. 

2. At 230 Vac input. 

4. Discontinued model - board mount option. 

5. Discontinued model - chassis mount option. 

6. Discontinued model - DIN-rail mount option. 

## **PART NUMBER KEY** 

**- - PSK S25D XX - X** 

**cui** .com 

Additional Resources:    Product Page 

**date** 09/13/2022 **page** 2 of 9 

**CUI Inc  SERIES:** PSK-S25D **DESCRIPTION:** AC-DC POWER SUPPLY 

|**INPUT**<br>**parameter**<br>frequency<br>current<br>inrush current|**conditions/description**<br>at 115 Vac<br>at 230 Vac<br>at 115 Vac<br>at 230 Vac||**min**<br>85<br>100<br>47|20<br>40|**max**<br>**units**<br>264<br>370<br>Vac<br>Vdc<br>63<br>Hz<br>600<br>340<br>mA<br>mA<br>A<br>A<br>D|**max**<br>**units**<br>264<br>370<br>Vac<br>Vdc<br>63<br>Hz<br>600<br>340<br>mA<br>mA<br>A<br>A<br>D|
|---|---|---|---|---|---|---|
|no load power consumption|||||0.5|W|
|**OUTPUT**|||||||
|**parameter**|**conditions/description**||**min**||**max**|**units**|
||3.3 Vdc output models||||48,000|µF|
||5 Vdc output models||||12,240|µF|
||9 Vdc output models||||5,600|µF|
|initial set point accuracy<br>hold-up time|12 Vdc output models<br>15 Vdc output models<br>24 Vdc output models<br>48 Vdc output models<br>3.3 Vdc output models<br>all other models<br>at full load<br>at 115 Vac, full load<br>at 230 Vac, full load|TI||±3<br>±2<br>±0.5<br>±1<br>10<br>60|5,400<br>2,400<br>1,440<br>600|µF<br>µF<br>µF<br>µF<br>ms<br>ms|
|adjustability|see application notes|||±10|||
|||||65||kHz|
|||||±0.02|||
|**PROTECTIONS**|||||||
|**parameter**|**conditions/description**||**min**||**max**|**units**|
||3.3, 5 Vdc output models||||7.5|Vdc|
||9 Vdc output models||||15|Vdc|
||12, 15 Vdc output models||||20|Vdc|
||24 Vdc output models||||30|Vdc|
||48 Vdc output models||||60|Vdc|
||||140||||
|short circuit protection|||||||
|**SAFETY & COMPLIANCE**|||||||
|**parameter**|**conditions/description**||**min**||**max**|**units**|
||input to output for 1 minute, 5 mA||4,000|||Vac|
||||2,500|||Vac|
||||||||
|safety class|||||||
|conducted emissions|||||||
|radiated emissions|||||||



radiated immunity 

**cui** .com 

Additional Resources:    Product Page 

**date** 09/13/2022 **page** 3 of 9 

**CUI Inc  SERIES:** PSK-S25D **DESCRIPTION:** AC-DC POWER SUPPLY 

## **SAFETY & COMPLIANCE (CONTINUED)** 

**parameter conditions/description min max units** conducted immunity 300,000 hours yes **ENVIRONMENTAL parameter conditions/description min max units** -40 85 -40 85 95 **SOLDERABILITY[5] parameter conditions/description min max units** 350 360 370 255 260 265 Notes: 5. For board mount models only Peak Temp. 260°C Max. 250 Wave Soldering Time 4 Sec. Max. 200 10 Sec. Max. 150 100 50 0 PS Time (sec.) **cui** .com 

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**----- Start of picture text -----**<br>
Additional Resources:    Product Page<br>CUI Inc  SERIES:  | PSK-S25D   | DESCRIPTION:  AC-DC POWER SUPPLY date  09/13/2022   | page  4 of 9<br>DERATING CURVES<br>TEMPERATURE DERATING CURVE INPUT VOLTAGE DERATING CURVE<br>(85~264 Vac / 100~370 Vdc) (25°C)<br>120 120<br>100 100<br>~ _<br>s S 85<br>cy)<br>() 80 A 80<br>3 5<br>2 60 a 60<br>5 50 5<br>2 40 2 40<br>>><br>o2 o 20<br>10<br>0 0<br>-40 -10 0 20 55 70 85 100 85 100 240 264 Vac<br>100 120 340 370 Vdc<br>Operating Temperature (C°) Input Voltage<br>EFFICIENCY CURVES<br>EFFICIENCY VS INPUT VOLTAGE (Full load) EFFICIENCY VS OUTPUT LOAD (Vin = 230 Vac)<br>100 100<br>66 Key 90 Key<br>=> ~ 80<br>& 80 PSK-S25D-24 & PSK-S25D-24<br>rey Ss 70<br>7 as 2 a<br>rs] 70 PSK-S25D-12 < 60 PSK-S25D-12<br>e €<br>bt wi 50 fe<br>60 PSK-S25D-5 PSK-S25D-5<br>40<br>50 30<br>85 110 120 230 240 264 10 25 40 50 65 75 90 100<br>Input Voltage (Vac) Operating Current Percentage (%)<br>cui .com<br>DISCONTINUED<br>**----- End of picture text -----**<br>


Additional Resources:    Product Page 

**date** 09/13/2022 **page** 5 of 9 

**CUI Inc  SERIES:** PSK-S25D **DESCRIPTION:** AC-DC POWER SUPPLY 

## **MECHANICAL** 

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**----- Start of picture text -----**<br>
parameter conditions/description min max units<br>board mount: 70.00 x 48.00 x 23.50 (2.756 x 1.890 x 0.925 inch) mm<br>dimensions chassis mount: 96.10 x 54.00 x 32.00 (3.783 x 2.126 x 1.260 inch) mm<br>mm<br>case material<br>board mount 120<br>chassis mount 170<br>210<br>MECHANICAL DRAWING (BOARD MOUNT)<br>units: mm[inch] i<br>tolerance: ±0.50[±0.020] 3<br>S, as<br>pin diameter tolerance: ±0.10[±0.004] ° Ss<br>a 8<br>TV oO<br>ae<br>—»| |+-$1.00[60.039]<br>a 91.50 [00.059]<br>PIN Function i 8 COGS<br>= \ 2 H R S Se ee aS<br>1 q Trime<br>2 de Bo<br>a xn 56 Ss<br>3 of a<br>a 2 en 6| S d<br>So So Oo Og<br>4 +Vo oSe 7o{ 1 8 CREEa [CECE] eee eee<br>5 no pin ; ® i 46<br>6 no pin el vim EARP<br>t o Cy ooo<br>7 no pin 8 CPR<br>8 -Vo 62.00 [2.441] a<br>70.00 [2.756] us Note: Grid 2.54*2.54mm<br>trim trim<br>MECHANICAL DRAWING (CHASSIS MOUNT)<br>units: mm[inch] 96.10 [3.783]<br>tolerance: ±1.00[±0.039]<br>86.10 [3.390]<br>$3.50 [90.138].<br>tt |<br>CS alo . 8 q<br>PIN Function = - O|7 &<br>1 S 3/6 — Ss<br>2 s+ ~ ice)<br>3<br>" fsLo gla 7<br>4 +Vo<br>5<br>6 trim in~*~<br>7 on 1.<br>8 -Vo 2 NI<br>A Front View qt<br>°o<br>N<br>~*~<br>fa _la<br>ONTINU<br>**----- End of picture text -----**<br>


**cui** .com 

Additional Resources:    Product Page **CUI Inc  SERIES:** PSK-S25D **DESCRIPTION:** AC-DC POWER SUPPLY **date** 09/13/2022 **page** 6 of 9 ~~————————— SSS~~ **MECHANICAL DRAWING (DIN-RAIL MOUNT)** units: mm [inch] 96.10 [3.783] " tolerance: ±1.00[±0.039] 86.10 [3.390] XN LI& OV], 7 & PIN Function 1 ro) 3S R S 2 3 We) ts Ol 4 7 4 +Vo 5 6 trim 7 in rae) 8 -Vo 3 ——————a =) = + oiiialtel LATa=| §© 25.20 [0.992] **cui** .com 

Additional Resources:    Product Page 

**date** 09/13/2022 **page** 7 of 9 

**CUI Inc  SERIES:** PSK-S25D **DESCRIPTION:** AC-DC POWER SUPPLY 

## **APPLICATION CIRCUIT** 

## **Figure 1** 

||||**Table 1**|**Table 1**|**Table 1**|
|---|---|---|---|---|---|
|||||||
|Vo<br>(Vdc)||MOV||||
|3.3||S14K300||||
|5||S14K300||||
|9||S14K300||||
|12||S14K300||||
|15||S14K300||||
|24||S14K300||||
|48||S14K300||||



**==> picture [150 x 150] intentionally omitted <==**

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Load<br>ED<br>**----- End of picture text -----**<br>


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**----- Start of picture text -----**<br>
EMC RECOMMENDED CIRCUIT<br>Figure 2<br>EMC-20 Power Line Filter<br>FUSE ;MOV1 CX —11_ LCM cy1<br>as e<br>. + |<br>Vin ] |<br>5<br>CcY2<br>Le<br>Table 2<br>MOV S14K300<br>10 mH<br>L1<br>CO<br>DI<br>**----- End of picture text -----**<br>


**cui** .com 

Additional Resources:    Product Page 

**date** 09/13/2022 **page** 8 of 9 

**CUI Inc  SERIES:** PSK-S25D **DESCRIPTION:** AC-DC POWER SUPPLY 

## **APPLICATION NOTES** 

**==> picture [590 x 590] intentionally omitted <==**

**----- Start of picture text -----**<br>
Figure 3<br>(part in broken line is the interior of models)<br>aR 2 Vref<br>+Vo +Vo up: R T= a -R3 a= a R 1<br>R2-a Vot - Vref<br>aR 1 Vot - Vref<br>down : R T= R1-a -R3 a= Vref R 2<br>| R1 | R41 | Rt<br>Vrer _R3 . Vrer _R3 .<br>__] Trim __] Trim<br>Table 3<br>ov ov<br>Vout Vref<br>Trim up Trim down (Vdc) (V)<br>3.3 3.3 1.98 1 1.24<br>5 3.3 3.3 1 2.5<br>9 7.5 2.87 1 2.5<br>12 3.83 1 1 2.5<br>15 7.5 1.5 1 2.5<br>24 8.66 1 1 2.5<br>48 68 3.73 1 2.5<br>D<br>DISCONT<br>**----- End of picture text -----**<br>


**cui** .com 

Additional Resources:    Product Page 

**date** 09/13/2022 **page** 9 of 9 

**CUI Inc  SERIES:** PSK-S25D **DESCRIPTION:** AC-DC POWER SUPPLY 

## **REVISION HISTORY** 

||**rev.**||**description**||**date**|
|---|---|---|---|---|---|
||1.0||initial release|||
||1.01|||||
||1.02|||||
||1.03|||||
||1.04|||||
|**Headquarters**<br>Fax 503.612.2383<br>**cui**.com<br>DISCONTI<br><F CULINC||||||
||abelgroup|group|**800.275.4899**|techsupport@cui.com||





## Links

- [View this product on Novapart](https://novapart.co/products/PSK-S25D-3/pcb-mount-ac-dc-converters)
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- [Supplier page](https://es.farnell.com/bel-partner-stock/psk-s25d-3/pcb-mount-ac-dc-converters/dp/4773509)
---

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