PSK-5W-3

PCB MOUNT AC-DC CONVERTERS POWER SUPPLY

⚠️ Reference pricing provided. In case of supply shortages, we will connect you with our trusted procurement partners to ensure your project's continuity.

Manufacturer: BEL / PARTNER STOCK
Product type: AC / DC PCB Mount Power Supplies
SVHC: To Be Advised
Product Range: PSK-5W Series

Delivery and price
Units per pack	18
Price	16.16 €
Current stock	25+
Lead time	30 days

Datasheet

Additional Resources:    Product Page ~~—~~ 

**date** 09/13/2022 **page** 1 of 7 

## **SERIES:** PSK-5W **DESCRIPTION:** INTERNAL AC-DC POWER SUPPLY 

## **FEATURES** 

- wide input range (85~305 Vac) 

- UL/EN/IEC 62368 certified 

- meets CISPR32/EN 55032 Class B without external components 

- short-circuit, over-current, over-voltage protections 

## 

|**MODEL**<br>**output**<br>**voltage**<br>**output**<br>**current**<br>**output**<br>**power**<br>**ripple**<br>**and noise**<br>(Vdc)<br>**max**<br>(A)<br>**max**<br>(W)<br>(mVp-p)<br>PSK-5W-31,2,3<br>3.3<br>1.25<br>4.2<br>100<br>PSK-5W-51,2<br>5<br>1.0<br>5<br>100<br>PSK-5W-91,2,3<br>9<br>0.55<br>5<br>100<br>PSK-5W-121,2,3<br>12<br>0.42<br>5<br>100<br>PSK-5W-151,2,3<br>15<br>0.333<br>5<br>100<br>PSK-5W-241,2,3<br>24<br>0.23<br>5.5<br>100<br>Note:     1. Discontinued model - board mount option.<br>2. Discontinued model - chassis mount option.<br>3. Discontinued model - DIN-rail mount option.<br>**PART NUMBER KEY**<br>Base Number<br>**PSK- 5W - XX - X**<br>Output Voltage<br>Mounting Style:<br>blank = board mount<br>T = chassis mount<br>DIN = DIN-rail mount<br>DISCONTI<br>~~27~~~|**(%)**<br>70<br>76<br>74<br>77<br>77<br>80|
|---|---|
|**cui**.com||



Additional Resources:    Product Page 

**CUI Inc � SERIES:** PSK-5W **� DESCRIPTION:** AC-DC POWER SUPPLY 

**date** 09/13/2022 **� page** 2 of 7 

## **INPUT** 

||**parameter**<br>**conditions/description**<br>**min**<br>**���**<br>**max**<br>**units**<br>voltage<br>ac input<br>dc input<br>85<br>100<br>305<br>430<br>Vac<br>Vdc<br>frequency<br>47<br>63<br>Hz<br>current1<br>115 Vac<br>230 Vac<br>0.15<br>0.10<br>A<br>A<br>inrush current<br>115 Vac<br>230 Vac<br>10<br>20<br>A<br>A<br>leakage current<br>5<br>mA<br>Note 1: Recommended input fuse - 1A/300V, slow blow<br>**OUTPUT**<br>**parameter**<br>**conditions/description**<br>**min**<br>**���**<br>**max**<br>**units**<br>capacitive load<br>3.3 Vdc<br>5 Vdc<br>9 Vdc<br>12 Vdc<br>15 Vdc<br>24 Vdc<br>4,000<br>4,000<br>1,000<br>820<br>820<br>470<br>��<br>output voltage accuracy<br>3.3 V<br>all other models<br>±3<br>±2<br>%<br>%<br>line regulation<br>rated load<br>±0.5<br>%<br>load regulation<br>0~100% load<br>±1.0<br>%<br>hold-up time<br>115 Vac input<br>230 Vac input<br>8<br>60<br>ms<br>ms<br>switching frequency<br>100<br>kHz<br>**PROTECTIONS**<br>**parameter**<br>**conditions/description**<br>**min**<br>**���**<br>**max**<br>**units**<br>over voltage protection<br>3.3/5 Vdc output<br>9 Vdc output<br>12/15 Vdc output<br>24 Vdc output<br>7.5<br>15<br>20<br>30<br>V<br>V<br>V<br>V<br>over current protection<br>self recovery<br>110<br>%<br>short circuit protection<br>output shutdown, auto recovery<br>**SAFETY & COMPLIANCE**<br>**parameter**<br>**conditions/description**<br>**min**<br>**���**<br>**max**<br>**units**<br>isolation voltage<br>for 1 minute, 5mA<br>4,000<br>Vac<br>safety approvals<br>UL/EN/IEC 62368<br>safety class<br>Class II<br>EMI/EMC<br>CISPR32/EN55032: Class B (no external components required)<br>ESD<br>IEC/EN 61000-4-2: Contact ±6KV/ Air ±8KV, perf. Criteria B<br>radiated immunity<br>IEC/EN 61000-4-3: 10V/m, perf. Criteria A<br>���������<br>IEC/EN 61000-4-4: ±2KV, perf. Criteria B<br>IEC/EN 61000-4-4: ±4KV, perf. Criteria B, see recommended EMC circuit<br>surge<br>IEC/EN 61000-4-5: line to line ±1KV, perf. Criteria B<br>IEC/EN 61000-4-5: line to line ±2kV, line to ground ±4kV, perf. Criteria B, see recommended EMC circuit<br>conducted immunity<br>IEC/EN 61000-4-6: 10Vr.m.s, perf. Criteria A<br>voltage dips<br>IEC/EN 61000-4-11: 0%, 70%<br>����<br>������������������<br>300,000<br>hours<br>RoHS<br>yes<br>DISCONTINUED|
|---|---|



**cui** .com 

Additional Resources:    Product Page 

**date** 09/13/2022 **page** 3 of 7 

**CUI Inc  SERIES:** PSK-5W **DESCRIPTION:** AC-DC POWER SUPPLY 

## **ENVIRONMENTAL** 

|**ENVIRONMENTAL**||||||
|---|---|---|---|---|---|
|**parameter**|**conditions/description**|**min**|typ|**max**|**units**|
|operating temperature||-40||70|°C|
|storage temperature||-40||85||
|storage humidity||0||95|%|
|**SOLDERABILITY**||||||
|**parameter**|**conditions/description**|**min**||**max**|**units**|
|wave soldering||||260||
|hand soldering|3~5 seconds max|||360||



## **MECHANICAL** 

|**MECHANICAL**||||||
|---|---|---|---|---|---|
|**parameter**|**conditions/description**|||**min**|**max**<br>**units**|
||DIP: 50.80 x 25.40 x 15.36||||mm|
|dimensions|chassis mount: 76.00 x 31.50 x 24.16||||mm|
||DIN rail: 76.00 x 31.50 x 28.76||||mm|
||DIP||||31<br>g|
|weight|chassis mount||||52<br>g|
||DIN rail||||70<br>g|
|case material||||||
|**MECHANICAL DRAWING(BOARD MOUNT)**||||||
|PIN CONNECTIONS<br>PIN<br>1<br>AC(N)<br>2<br>AC(L)<br>3<br>-Vo<br>4<br>+Vo<br>units: mm [inch]<br>tolerance: ±0.50 [±0.020]<br>DISCON<br>_<br>a<br>q<br>|<br>:<br>ronView<br>o<br>|<br>I<br>.<br>:<br>Te o2<br>|<br>38<br>ie<br>|<br>|.<br>2S<br>|<br>___Bottom<br>View —--3¢<br>NN<br>[iter<br>at<br>45.72 [1.800]<br>50.80 [2.000]||+<br>NE<br>5S<br>s<br>8<br>S<br>"<br>ot<br>S|||21.50 [0.059]<br>[TPIT/LET TTTTT pt TT ET<br>ORCC<br>seaeeseeotaeuaetaniy<br>(TTT<br>TTTTT<br>yyy ey<br>LPT TTT TTty ye try ryee ggtT<br>resesnsesneeeeeneecat<br>(TTTTTT TTT Tere ery ee<br>ee<br>HEEEEE<br>Note:Grid2.54*2.54mm|
||**cui**.com|||||



**==> picture [590 x 752] intentionally omitted <==**

**----- Start of picture text -----**<br>
Additional Resources:    Product Page<br>CUI Inc  SERIES:  | PSK-5W   | DESCRIPTION:  AC-DC POWER SUPPLY date  09/13/2022   | page  4 of 7<br>MECHANICAL DRAWING (CHASSIS MOUNT)<br>units: mm [inch]<br>tolerance: ±0.50 [±0.020]<br>wire range: 24~12 AWG<br>tightening torque:Max 0.4 N·m<br>76.00 [2.992]<br>PIN CONNECTIONS 61.60 [2.425] LED lamp<br>eK<br>PIN<br>1 AC(N)<br>2 AC(L) S81 \\2 | Isl<br>3 -Vo Hs {hl Top View ——-<br>- 1 ttl<br>4 +Vo<br>ones<br>a “2-83.30 [0.130]<br>Fuse Wire<br>| | LJ oOS<br>ee N<br>8.80 [0.346] |<br>21.20 [0.835]<br>MECHANICAL DRAWING (DIN-RAIL MOUNT)<br>units: mm [inch]<br>tolerance: ±0.50 [±0.020]<br>wire range: 24~12 AWG<br>76.00 [2.992]<br>tightening torque:Max 0.4 N·m<br>61.60 [2.425] LED lamp<br>mounting rail: TS35, rail needs to<br>connect safety ground<br>aa || | 8 4<br>PIN CONNECTIONS a -{} I} —-_- —- Top|View.—-—_-— —<br>PIN 2 8 allo] | ISIE<br>1 AC(N)<br>2 AC(L)<br>Fuse Wire<br>3 -Vo<br>4 +Vo PY 1 ft<br>i Front|  View Lf) 5seeom<br>N ornm~<br>se N a a<br>9.80 [0.386]<br>cui .com<br>CONTINUED<br>DI<br>**----- End of picture text -----**<br>


Additional Resources:    Product Page 

**date** 09/13/2022 **page** 5 of 7 

**CUI Inc  SERIES:** PSK-5W **DESCRIPTION:** AC-DC POWER SUPPLY 

## **TYPICAL APPLICATION CIRCUIT** 

|Part No.<br>MOV<br>TVS<br>PSK-5W-3<br>220<br>SMBJ7A<br>**Figure 1**<br>**Table 1**<br>We recommend using an electrolytic capacitor with high frequency, and low ESR rating for C2 (refer to manufacture’s datasheet). Choose<br>a Capacitor voltage rating with at least 20% margin, in other words not exceeding 80%. C1 is a ceramic capacitor used for filtering high-<br>frequency noise and TVS is a recommended suppressor diode to protect the application in case of a converter failure.<br>UED<br>FUSE<br>MOV<br>C1<br>c2.<br>Tvs<br>—<br>AC (L)<br>+Vo<br>vin<br>&<br>a<br>t<br>_<br>=<br>AC-DC<br>7X<br>Load<br>AC (N)<br>Vo|
|---|
|1<br>1A/300V,<br>slow-blow,<br>required<br>S14K350<br>PSK-5W-5<br>220<br>SMBJ7A<br>PSK-5W-9<br>100<br>SMBJ12A<br>PSK-5W-12<br>100<br>SMBJ20A<br>PSK-5W-15<br>100<br>SMBJ20A<br>PSK-5W-24<br>47<br>SMBJ30A<br>Components<br>Recommended Value<br>MOV<br>S14K350<br>CX<br>L1<br>4.7uH/2.0A<br>CY1<br>CY2<br>LCM<br>2.2mH<br>**EMC RECOMMENDED CIRCUIT**<br>**Figure 2**<br>**Table 2**<br>DISCONT<br>FUSE mov<br>ti<br>LCM<br>RO<br>C1<br>c2.<br>Tvs<br>——<br>U<br>Me<br>AC(L)<br>—+Vo<br>cY1<br>5<br>+<br>vin<br>y<br>CX<br>AC-DC<br>7K<br>Load<br>-<br>cy2<br>‘e<br>AC (N)<br>-Vo<br>+O|
|2A/300V, slow-blow, required<br>R0<br>~~PoFuUsE fs~~<br>~~Po~~<br>~~30/38W~~|



**cui** .com 

Additional Resources:    Product Page **CUI Inc  SERIES:** PSK-5W **DESCRIPTION:** AC-DC POWER SUPPLY **date** 09/13/2022 **page** 6 of 7 **DERATING CURVE** TEMPERATURE DERATING CURVE TEMPERATURE DERATING CURVE (85~305 Vac/100~430 Vdc) (25°C) 120 120 100 aS _3 ra 80 rs 85 3 : 2 60 a 60 S3 240 = 40 5 6 ° 20 20 0 0 -40 -25 0 20 40 55 70 100 85 100 277 305 Vac 100 140 390 430 Vdc Operating Temperature (C°) Input Voltage **EFFICIENCY CURVES** EFFICIENCY VS INPUT VOLTAGE (Full load) EFFICIENCY VS OUTPUT LOAD (Vin = 277 Vac) 90 90 88 Key 80 = 3] Key 80 —— E>=_~ =—_—pas PSK-5W-24 =& 70 PSK-5W-24 o¢ 70 Es rey= 60 es 3 PSK-5W-15 2 PSK-5W-15 fe 5 = 50 Wu Es wi as 60 PSK-5W-12 PSK-5W-12 _ 40 50 30 85 110 230 260 277 305 10 25 40 50 65 75 90 100 Input Voltage (Vac) Operating Current Percentage (%) **cui** .com 

Additional Resources:    Product Page 

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

**CUI Inc  SERIES:** PSK-5W **DESCRIPTION:** AC-DC POWER SUPPLY 

## **REVISION HISTORY** 

**rev. description date** 1.0 initial release 06/29/2020 1.01 mechanical drawings updated 12/03/2020 1.02 02/24/2021 discontinued models PSK-5W-3, PSK-5W-9, PSK-5W-12, 1.03 PSK-5W-15, PSK-5W-3-T, PSK-5W-12-T, PSK-5W-15-T, PSK-5W-3-DIN, 07/01/2022 PSK-5W-5-DIN, PSK-5W-12-DIN, PSK-5W-15-DIN, PSK-5W-24-DIN discontinued models PSK-5W-3-DIN, PSK-5W-5, PSK-5W-5-T, 1.04 09/13/2022 PSK-5W-9-T, PSK-5W-9-DIN, PSK-5W-24, PSK-5W-24-T The revision history provided is for informational purposes only and is believed to be accurate. **Headquarters** 20050 SW 112th Ave. ZF CULINC Tualatin, OR 97062 **cui** .com **800.275.4899** a bel group 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

Updated at April 27, 2026

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