# AC/DC PCB Mount Power Supply (PSU), Medical, 1 Output, 15 W, 12 VDC, 1.25 A

![Product image](https://novapart.co/image/farnell:2664691/)

**URL**: https://novapart.co/products/KMS15A-12/ac-dc-pcb-mount-power-supply-psu-medical-1-output
**SKU**: KMS15A-12
**Manufacturer**: TDK-LAMBDA
**Category**: Power & Line Protection || Power Supplies || AC / DC Converters || AC / DC PCB Mount Power Supplies
**Price**: €35.5000
**Stock**: 10+
**Lead Time**: 120 days (indicative)

## Description

No. of Outputs:1 Output; Output Power Max:15W; Output Voltage - Output 1:12V; Output Current - Output 1:1.25A; Output Voltage - Output 2:-; Output Current - Output 2:-; Output Voltage - O

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (15-Jan-2018) |
| Depth | 52.5mm |
| Width | 27.5mm |
| Height | 23.5mm |
| Product Range | KMS-A Series |
| No. Of Outputs | 1 Output |
| Output Power Max | 15W |
| Input Voltage Vac | 90V AC to 264V AC |
| Input Voltage Ac Max | 264V |
| Input Voltage Ac Min | 90V |
| Power Supply Output Type | Fixed |
| Output Current - Output 1 | 1.25A |
| Output Current - Output 2 | - |
| Output Current - Output 3 | - |
| Output Voltage - Output 1 | 12VDC |
| Output Voltage - Output 2 | - |
| Output Voltage - Output 3 | - |
| Power Supply Applications | Medical |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:2664691/)

KMS-A Series 

## 15-60W Medical AC-DC PCB-Mount Power Supplies 

https://product.tdk.com/en/power/kms-a https://www.emea.lambda.tdk.com/kms-a 

The encapsulated KMS-A PCB-Mount power supplies are certified to IEC/ES/EN 60601-1, IEC/EN 62368-1 and meet EN55011 Class B for conducted and radiated emissions. Requiring no earth ground, the KMS-A series is ideally suited for a wide range of medical and industrial applications, including dental, home healthcare and test and measurement. 

|**Features**|**Benefits**|
|---|---|
|• 4kVac Input to Output Isolation (2 x MoPP)|• Suitable for B & BF Applications Worldwide|
|• Wide Temperature Range (up to -40 to +80°C)|• Suitable for Harsh Environments|
|• Low No Load Power Consumption|• Energy Saving|
|• Class II Double Insulated Construction|• No Ground Connection Needed|
|• Epoxy Encapsulated|• Improved Shock and Vibration Performance|



|**Model Selector**|**Model Selector**||||||||
|---|---|---|---|---|---|---|---|---|
|Model|Output Voltage|Output Voltage|Maximum Current|Maximum Power|Ripple & Noise||Efficiency|Maximum Load|
||(V)||(A)|(W)|(mVpk-pk)|(at 230Vac) (%)||Capacitance (uF)|
|KMS15A-5|5||3|15|120||79|7,000|
|KMS30A-5|5||5|25|100||84|6,800|
|KMS60A-5|5.1||10|51|100||86|10,000|
|KMS15A-9|9||1.666|15|120||80|5,000|
|KMS60A-9|9||6.666|60|100||87|5,000|
|KMS15A-12|12||1.25|15|120||84|1,500|
|KMS30A-12|12||2.5|30|150||89|1,600|
|KMS60A-12|12||5|60|120||88|5,000|
|KMS15A-15|15||1|15|150||84|1,000|
|KMS30A-15|15||2|30|150||86|1,200|
|KMS60A-15|15||4|60|150||86|4,000|
|KMS15A-24|24||0.625|15|240||85|470|
|KMS30A-24|24||1.25|30|240||86|470|
|KMS60A-24|24||2.5|60|240||87|2,000|
||||||||||
|**KMS**|||**15A**||**-24**|||**/SC**|



|15A   15W Output Power|15A   15W Output Power||-5    5V Output (5.1V for 60W Model)|-5    5V Output (5.1V for 60W Model)||Blank PCB mount standard model|Blank PCB mount standard model|
|---|---|---|---|---|---|---|---|
|30A   30W Output Power|30A   30W Output Power||-9    9V Output (15W and 60W Models)|-9    9V Output (15W and 60W Models)||/SC|Screw terminals|
|60A   60W Output Power|60A   60W Output Power||-12  12V Output|-12  12V Output|||(Not sold in the Americas)|
||||-15  15V Output|-15  15V Output||||
||||-24  24V Output|-24  24V Output||||



KMS-A Series 

1 

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

## **Specifications** 

|**Specifcations**|**Specifcations**|**Specifcations**|**Specifcations**|**Specifcations**|**Specifcations**|**Specifcations**|**Specifcations**|
|---|---|---|---|---|---|---|---|
|Model<br>KMS15A||||||KMS30A|KMS60A|
|**Input**||||||||
|Input Voltage Range (Operating)(1)||Vac|90 - 264|||||
|Nominal Input Voltage Range||Vac|100 - 240<br>|||||
|Input Frequency||Hz|47 - 440 (Note: Safety certifed for 47-63Hz only)<br>|||||
|DC Input Voltage Range||Vdc|120 - 370 (Note: Safety certifed for AC input only)|||||
|Input Current (115 / 230Vac)||A|0.385 / 0.25|||0.65 / 0.4|1.5 / 1|
|Inrush Current (115 / 230Vac, 25°C)||A|20 / 40|||30 / 60|55 / 95|
|Leakage Current (264Vac)||mA|<0.1|||||
|No Load Power Consumption||W|<0.1|||<0.15|<0.3|
|Hold Up Time (typ) (115 / 230Vac)<br>||ms|15 / 56|||>10||
|Effciency||-|See Model Selector Table|||||
|<br>Conducted & Radiated EMI<br>||-|EN55011-B (Class A radiated EMI for 30W models)|||||
|Safety Certifcations and Markings||-|IEC/EN62368-1, IEC/EN60601-1, ANSI/AAMI ES60601-1, CE Mark and UKCA Mark|||||
|||||||||
|**Immunity**||||||||
|||||||||
|Test|Standard||Test Level|Criteria|Notes|||
|ESD|IEC61000-4-2||3|A|Contact Discharge: ±6kV, Air Discharge: ±8kV|||
|Electrical Fast Transient Burst|IEC61000-4-4||3|A|Voltage Peak: 2kV at 5kHz|||
|Surge|IEC61000-4-5||2|A|Test Level: 1kV, Max Peak Current: 500A|||
|Conducted Susceptibility|IEC61000-4-6||2 / 3|A|Test Level: 3Vrms / 10Vrms for KMS30A Models|||
|Voltage Dips<br>and Short Interruptions|IEC61000-4-11<br>(100Vac)||0% for 1/2 cycle<br>0% for 1 cycle<br>70% for 25/30 cycles<br>0% for 250/300 cycles|A<br>B<br>A<br>B|-<br>-<br>-<br>-|||
|Voltage Dips<br>and Short Interruptions|IEC61000-4-11<br>(240Vac)||0% for 1/2 cycle<br>0% for 1 cycle<br>70% for 25/30 cycles<br>0% for 250/300 cycles|A<br>A<br>A<br>B|-<br>-<br>-<br>-|||
|||||||||
|**Specifcations**||||||||
|Model<br>KMS15A||||||KMS30A|KMS60A|
|**Output**||||||||
|Output Voltage Set Accuracy||%|±2|||||
|Output Voltage Adjustment||-|None|||||
|Ripple and Noise||-|See Model Selector Table|||||
|Switching Frequency<br>||kHz|133|||66||
|Temperature Coeffcient||%/°C|<br>±0.05|||||
|Minimum Load||-|None|||||
|Overcurrent Protection||%|>105 (Hiccup Mode with Auto-Recovery)|||||
|Overvoltage Protection||%|110-150 (Zener Diode Clamp)|||||
|Parallel Operation||-|Not possible|||||



KMS-A Series 

2 

## **Specifications** 

|Model||KMS15A|KMS30A|KMS60A|
|---|---|---|---|---|
|**Environmental**|||||
|Operating Temperature(2)|°C|-40 to +80, derate linearly to 30% load from 50 to 80. (73 maximum for <115Vac input)|||
|Maximum Case Temperature|°C||80 (73 for <115Vac)||
|Storage Temperature|°C||-40 to +90||
|Humidity (non condensing)|%RH||95||
|Cooling|-||Convection||
|Altitude|m||5,000||
|Withstand Voltage (For 1 minute)|Vac||Input to Output 4,000 (2x MOPP)|Input to Output 4,000 (2x MOPP)|
|**Other**|||||
|Weight (Typ)|g|60|135|260|
|Size (LxWxH)|mm|52.5 x 27.5 x 23.5|64.1 x 45.6 x 23.5|89.0 x 63.5 x 27.6|
|Size (LxWxH)|Inches|2.07 x 1.08 x 0.93|2.52 x 1.8 x 0.93|3.5 x 2.5 x 1.06|
|Case Material|-|Plastic Resin Fiberglass Case (UL 94V-0)|||
|MTBF (MIL-HDBK-217F, 25°C)|Hours|200,000 to 400,000 (Model Dependent)|||
|Warranty|yrs||3||



Notes: 

See website for detailed specifications, test methods and installation manual (1) Derate linearly to 80% load from 110Vac to 90Vac (100Vac to 90Vac for KMS15A) (2) Derate linearly to 80% load from -30°C to -40°C 

## **Pinout** 

|Pin|KMS15A|KMS30A|KMS60A|
|---|---|---|---|
|1|AC (L)|AC (N)|AC (L)|
|2|AC (N)|AC (L)|AC (N)|
|3|+Vout|-Vout|+Vout|
|4|-Vout|No Pin|No Pin|
|5|-|+Vout|-Vout|
|6|-|-|No Pin|
|7|-|-|No Pin|



## **KMS15A Outline Drawing** 

KMS-A Series 

3 

## **KMS30A Outline Drawing** 

## **KMS60A Outline Drawing** 

KMS-A Series 

4 

## **KMS15A with Screw Terminals** 

## **KMS15A /SC Pinout** 

|**KMS15A /SC Pinout**||
|---|---|
|Pin|Function|
|1<br>2<br>3|N/C<br>AC (L)<br>AC (N)|
|4|N/C|
|5|+DC Out|
|6|-DC Out|
|7<br>8|N/C<br>N/C|



## **KMS30A with Screw Terminals** 

## **KMS30A /SC Pinout** 

|**KMS30A /SC Pinout**||
|---|---|
|Pin|Function|
|1|AC (N)|
|2|N/C|
|3|AC (L)|
|4<br>5|N/C<br>-DC Out|
|6|N/C|
|7|+DC Out|
|8|N/C|



## **KMS60A with Screw Terminals** 

## **KMS60A /SC Pinout** 

|**KMS60A /SC Pinout**||
|---|---|
|Pin|Function|
|1|N/C|
|2|AC (L)|
|3|AC (N)|
|4<br>5<br>6|+DC Out<br>N/C<br>-DC Out|
|7<br>8|N/C<br>N/C|



KMS-A Series 

5 

## **TDK-Lambda France SAS** 

Tel: +33 1 60 12 71 65 tlf.fr-powersolutions@tdk.com www.emea.lambda.tdk.com/fr 

## **TDK-Lambda Americas** 

Tel:  +1 800-LAMBDA-4 or 1-800-526-2324 tla.powersolutions@tdk.com www.us.lambda.tdk.com 

## **Italy Sales Office** 

Tel: +39 02 61 29 38 63 tlf.it-powersolutions@tdk.com www.emea.lambda.tdk.com/it 

## **Netherlands** 

## **TDK Electronics do Brasil Ltda** 

Tel: +55 11 3289-9599 sales.br@tdk-electronics.tdk.com www.tdk-electronics.tdk.com/en 

tlf.nl-powersolutions@tdk.com www.emea.lambda.tdk.com/nl 

## **TDK-Lambda Germany GmbH** 

Tel: +49 7841 666 0 tlg.powersolutions@tdk.com www.emea.lambda.tdk.com/de 

## **TDK-Lambda Corporation** 

Tel: +81-3-6778-1113 www.jp.lambda.tdk.com 

## **TDK-Lambda (China) Electronics Co. Ltd.** 

Tel: +86 21 6485-0777 tlc.powersolutions@tdk.com www.lambda.tdk.com.cn 

**Austria Sales Office** Tel: +43 2256 655 84 tlg.at-powersolutions@tdk.com www.emea.lambda.tdk.com/at 

## **Switzerland Sales Office** 

Tel: +41 44 850 53 53 tlg.ch-powersolutions@tdk.com www.emea.lambda.tdk.com/ch 

## **Nordic Sales Office** 

## **TDK-Lambda Singapore Pte Ltd.** 

Tel: +65 6251 7211 tls.marketing@tdk.com www.sg.lambda.tdk.com 

**TDK India Private Limited, Power Supply Division** Tel:   +91 80 4039-0660 mathew.philip@tdk.com www.sg.lambda.tdk.com 

Tel: +45 8853 8086 tlg.dk-powersolutions@tdk.com www.emea.lambda.tdk.com/dk 

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

Tel: +44 (0) 12 71 85 66 66 tlu.powersolutions@tdk.com www.emea.lambda.tdk.com/uk 

## **TDK-Lambda Ltd.** 

Tel: +9 723 902 4333 tli.powersolutions@tdk.com www.emea.lambda.tdk.com/il-en 

For additional information, please visit https://product.tdk.com/en/power/ 

KMS-A_360052_July 31st, 2023 V2 

KMS-A Series 

6 



## Links

- [View this product on Novapart](https://novapart.co/products/KMS15A-12/ac-dc-pcb-mount-power-supply-psu-medical-1-output)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/tdk-lambda/kms-15a-12/power-supply-ac-dc-12v-1-25a/dp/2664691)
---

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