KWS5A-5

POWER SUPPLY, AC-DC, 5V, 1A

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

Manufacturer: TDK-LAMBDA
Product type: AC / DC PCB Mount Power Supplies
Depth: 38.1mm
Width: 45mm
Product Range: TDK Lambda - KWS-A Series
No. of Outputs: 1 Output
Output Power Max: 5W
Input Voltage VAC: 85V AC to 265V AC
Power Supply Approvals: ITE
Power Supply Output Type: Fixed
Output Current - Output 1: 1A
Output Voltage - Output 1: 5V

Delivery and price
Units per pack	1
Price	26.61 €
Current stock	10+
Lead time	30 days

Datasheet

**KWS-A Series** 

**www.** emea.tdk-lambda.com/kwsa 

**Single Output 5W to 25W AC-DC PCB-Mount Power Supplies** 

|**Features**||**Benefits**|||
|---|---|---|---|---|
|• Protection Class II, No Ground Connection||• Easy, rapid on-board integration|||
|• Small footprint without the need for external components • Saves space, time and cost||• Small footprint without the need for external components • Saves space, time and cost|||
|• Long Electrolytic Capacitor Lifetime||• Higher reliability, longer product or system life|||
|• No load power consumption less than 0.5W||• Better energy efficiency, better environmental footprint|||
|• Improved efficiencies up to 88%||• Reduced power losses, easier on board thermal management|||
|• Wide Temperature Range -40°C (start up) to +85°C||• Enables use in wide range of professional industrial applications|||
|**Specification**<br> **Model**<br>**KWS5A**<br>**KWS10A**<br>**KWS15A**<br>**KWS25A**<br>AC Input Voltage<br>VAC<br>85 - 265(1)<br>Input Frequency<br>Hz<br>47 - 440<br>Inrush Current (cold start)<br>A<br>15 at 100VAC, 30 at 200VAC<br>Power Factor<br>-<br>Meets EN61000-3-2<br>Input Current (100/200VAC)<br>A<br>0.13 / 0.07<br>0.25 / 0.13<br>0.33 / 0.24<br>0.56 / 0.34<br>Output Voltage Accuracy<br>%<br>±5<br>No Load Power Consumption<br>W<br><0.5<br>Temperature Coefficient<br>%/°C<br><0.02<br>Overcurrent Protection<br>-<br>> 105% of rated current<br>Overvoltage Protection<br>V<br>5V: 5.75 - 7, 12V: 13.8 - 18.3, 15V: 17.25 - 22.4, 24V: 27.6 - 34<br>Hold Up Time (100 / 200V input)<br>ms<br>15 / 30<br>10 / 20<br>Leakage Current<br>mA<br><0.25 at 265VAC, 60Hz<br>Operating Temperature<br>°C<br>-40°C start-up; -10 to +85°C.  See derating curve for details<br>Storage Temperature<br>°C<br>-40 to +85°C<br>Humidity (non condensing)<br>%RH<br>30 - 90 Operating, 20 - 95 Storage<br>Cooling<br>-<br>Convection Cooled<br>Withstand Voltage<br>VAC<br>Input to Output 3kVAC<br>Isolation Resistance<br>MΩ<br>>100MΩ at 25°C & 70%RH, Input to Output 500VDC<br>Vibration (non operating)<br>-<br>10 - 55Hz: 1.65mm p-p (Max 10G) sweep for 1 min X, Y, Z for 1 hour<br>Shock<br>-<br>< 50G for 11 ±5ms on (X,Y,Z) each axis 3 times<br>Immunity<br>-<br>IEC61000-4-2, -3, -4, -5, -6, -8, -11; IEC61000-6-2<br>Safety Agency Certifications<br>-<br>EN60950-1, UL/CSA60950-1, CE Mark LVD & RoHS2<br>Conducted & Radiated EMI<br>-<br>EN55011-A, EN55022-A, FCC Class A (Requires external X capacitor to meet -B)<br>Weight (Typ)<br>g<br>35<br>35<br>60<br>85<br>Size (LxWxH)<br>mm<br>38.1 x 25.4 x 21.5<br>50.8 x 25.4 x 24<br>63.5 x 25.4 x 29<br>Warranty<br>yrs<br>3<br>~~=—_~~|||||
|**Note:**  (1) Derate to 80% load from 100 to 85VAC input (KWS5A 90% load from 90 to 85VAC)|||||
|||KWS-A Series||1|



1 

## **Model Selector** 

||**Voltage**|**Max**<br>**Current**|**Max**<br>**Power**|**Load**<br>**Reg**|**Line**<br>**Reg**|**Ripple**<br>**Noise**|**Efficiency**<br>**(typ)**|
|---|---|---|---|---|---|---|---|
|**Model**|**(V)**|**(A)**|**(W)**|**(mV)**|**(mV)**|**(mV)**|**%(3)**|
|KWS5A-5|5|1.0|5.0|40|20|200|72 / 74|
|KWS10A-5|5|2.0|10.0|40|20|200|76 / 77|
|KWS15A-5|5|3.0|15.0|40|20|200|76 / 78|
|KWS25A-5|5|5.0|25.0|40|20|200|80 / 82|
|KWS5A-12|12|0.45|5.4|96|48|240|73 / 75|
|KWS10A-12|12|0.9|10.8|96|48|240|80 / 81|
|KWS15A-12|12|1.3|15.6|96|48|240|80 / 83|
|KWS25A-12|12|2.2|26.4|96|48|240|84 / 86|
|KWS5A-15|15|0.35|5.3|120|60|240|73 / 75|
|KWS10A-15|15|0.7|10.5|120|60|240|81 / 82|
|KWS15A-15|15|1.0|15.0|120|60|240|81 / 84|
|KWS25A-15|15|1.7|25.5|120|60|240|85 / 87|
|KWS5A-24|24|0.22|5.3|150|96|240|75 / 77|
|KWS10A-24|24|0.5|12.0|150|96|240|82 / 84|
|KWS15A-24|24|0.7|16.8|150|96|240|82 / 85|
|KWS25A-24|24|1.1|26.4|150|96|240|86 / 88|



**Notes:** (3) 100 / 200VAC input.  Full load 

## **Output Derating Curve KWS5A** 

## **Output Derating Curve KWS-A Series (10, 15, 25W)** 

**==> picture [169 x 115] intentionally omitted <==**

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Output Derating Curve<br>go60 -—{| | | | J ft |<br>= PEPETeTeAwad cee eotandses boadasabas<br>Load (%)<br>**----- End of picture text -----**<br>


**==> picture [171 x 117] intentionally omitted <==**

**----- Start of picture text -----**<br>
Output Derating Curve<br>6080 1H ‘\\\\<br>Load (%) 2 ESTEEoy<br>**----- End of picture text -----**<br>


KWS-A Series 

2 

**==> picture [516 x 34] intentionally omitted <==**

## **Outline Drawing KWS5A & KWS10A** 

**==> picture [511 x 313] intentionally omitted <==**

**----- Start of picture text -----**<br>
L -V<br>INPUT : 100-240VAC      0.13 A<br>50-60Hz<br>OUTPUT : 5 V      1 A<br>R +V<br>N<br>MADE IN JAPAN EHFP<br>**----- End of picture text -----**<br>


## **Outline Drawing KWS15A** 

**==> picture [511 x 313] intentionally omitted <==**

**----- Start of picture text -----**<br>
L -V<br>INPUT : 100-240VAC     0.33 A<br>50-60Hz<br>OUTPUT : 5 V      3 A +V<br>N R<br>MADE IN JAPAN EHFP<br>**----- End of picture text -----**<br>


## KWS-A Series 

3 

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## **Outline Drawing KWS25A** 

**==> picture [511 x 313] intentionally omitted <==**

**----- Start of picture text -----**<br>
L -V<br>INPUT : 100-240VAC     0.56 A<br>50-60Hz<br>OUTPUT : 5 V      5 A +V<br>N R<br>MADE IN JAPAN EHFP<br>**----- End of picture text -----**<br>


KWS-A Series 

4 

## **TDK-Lambda France SAS** 

ZAC des Delaches CS 41077 9 rue Thuillere 91978 Villebon Courtaboeuf France 

Tel: +33 1 60 12 71 65 Fax: +33 1 60 12 71 66 france@fr.tdk-lambda.com www.fr.tdk-lambda.com 

## **Italy Sales Office** 

Via dei Lavoratori 128/130 20092 Cinisello Balsamo (MI) Italy 

Tel: +39 02 61 29 38 63 Fax: +39 02 61 29 09 00 info.italia@it.tdk-lambda.com www.it.tdk-lambda.com 

## **TDK-Lambda UK Ltd.** 

Kingsley Avenue Ilfracombe Devon EX34 8ES United Kingdom Tel: +44 (0) 12 71 85 66 66 Fax: +44 (0) 12 71 86 48 94 powersolutions@uk.tdk-lambda.com www.uk.tdk-lambda.com 

## **TDK-Lambda Ltd.** 

Kibbutz 

Givat Hashlosha 48800 Israel 

Tel: +9 723 902 4333 Fax: +9 723 902 4777 info@tdk-lambda.co.il www.tdk-lambda.co.il 

## **Netherlands** 

info@nl.tdk-lambda.com www.nl.tdk-lambda.com 

## **C.I.S.** 

## **Commercial Support:** 

Tel: +7 (495) 665 2627 **Technical Support:** Tel: +7 (812) 658 0463 info@tdk-lambda.ru 

## **TDK-Lambda Germany GmbH** 

Karl-Bold-Strasse 40 77855 Achern 

www.tdk-lambda.ru 

Germany Tel: +49 7841 666 0 Fax: +49 7841 5000 

Fax: +49 7841 5000 info.germany@de.tdk-lambda.com www.de.tdk-lambda.com **Local Distribution** FC 

## **Austria Sales Office** 

Aredstrasse 22 2544 Leobersdorf Austria Tel: +43 2256 655 84 Fax: +43 2256 645 12 info.germany@de.tdk-lambda.com www.de.tdk-lambda.com 

## **Switzerland Sales Office** 

Bahnhofstrasse 50 8305 Dietlikon Switzerland Tel: +41 44 850 53 53 Fax: +41 44 850 53 50 info@de.tdk-lambda.com www.de.tdk-lambda.com 

**www.emea.tdk-lambda.com** 

KWS-A May16 v5 

KWS-A Series 

5

Updated at February 9, 2023

TDK-Lambda is globally recognized as a premier manufacturer of highly reliable power supply solutions and power management equipment. With a strong engineering heritage, the company is a trusted partner for mission-critical applications across the industrial, medical, telecommunications, and test and measurement sectors, delivering components that meet stringent international performance and safety standards. Our extensive portfolio of TDK-Lambda products is heavily focused on comprehensive power and line protection, highlighted by a vast selection of industry-leading AC/DC converters. Engineered to deliver exceptional efficiency and stable performance in demanding environments, these power supplies form the backbone of our offering and are built to support the rigorous power demands of modern electronic infrastructure. To complement these primary power solutions, we also offer a targeted range of high-performance DC/DC converters designed for precise, board-level voltage regulation. Furthermore, to ensure the optimal performance and longevity of these power systems, our catalog includes specialized cooling and thermal management components, such as natural convection heat sinks, providing complete thermal stability for your most critical designs.

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