# AC/DC PCB Mount Power Supply (PSU), ITE, 1 Output, 4 W, 24 VDC, 167 mA

![Product image](https://novapart.co/image/farnell:2777443/)

**URL**: https://novapart.co/products/KAS4-24/ac-dc-pcb-mount-power-supply-psu-ite-1-output-4-w
**SKU**: KAS4-24
**Manufacturer**: TDK-LAMBDA
**Category**: Power & Line Protection || Power Supplies || AC / DC Converters || AC / DC PCB Mount Power Supplies
**Price**: €17.2300
**Stock**: 10+
**Lead Time**: 155 days (indicative)

## Description

No. of Outputs:1 Output; Output Power Max:4W; Output Voltage - Output 1:24V; Output Current - Output 1:167mA; Output Voltage - Output 2:-; Output Current - Output 2:-; Output Voltage - O

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (15-Jan-2018) |
| Depth | 37mm |
| Width | 27.5mm |
| Height | 17.5mm |
| Product Range | KAS Series |
| No. Of Outputs | 1 Output |
| Output Power Max | 4W |
| Input Voltage Vac | 90V AC to 305V AC |
| Input Voltage Ac Max | 305V |
| Input Voltage Ac Min | 90V |
| Power Supply Output Type | Fixed |
| Output Current - Output 1 | 167mA |
| Output Current - Output 2 | - |
| Output Current - Output 3 | - |
| Output Voltage - Output 1 | 24VDC |
| Output Voltage - Output 2 | - |
| Output Voltage - Output 3 | - |
| Power Supply Applications | ITE |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:2777443/)

KAS Series 

4W Wide Input AC-DC PCB-Mount Power Supplies 

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

The encapsulated KAS board mount power supplies are certified to IEC/CSA/UL/EN 62368-1, designed to meet IEC/EN 60335-1 and meet EN 55032 Class B for conducted and radiated emissions. With a wide input range of 90-305Vac requiring no earth ground (Class II), the KAS series is ideally suited for a wide range of applications including security systems, building automation, professional household appliances, portable equipment and products requiring a separate standby voltage. 

|**Features**|**Features**||||**Benefits**||||
|---|---|---|---|---|---|---|---|---|
|• 90 - 305Vac Input|||||• Operates From 115V, 230V and 277Vac Nominal Inputs||||
|• Wide Temperature Range (-40 to +70°C)|||||• Suitable For Industrial Applications||||
|• Low No Load Power Consumption|||||• Energy Saving During System Standby||||
|• Class II Double Insulated Input|||||• No Ground Connection Needed||||
||||||||||
|**Model Selector**|||||||||
|Model|Output Voltage Maximum Current Maximum Power Ripple & Noise Line Regulation Load Regulation Efficiency||Output Voltage Maximum Current Maximum Power Ripple & Noise Line Regulation Load Regulation Efficiency||Output Voltage Maximum Current Maximum Power Ripple & Noise Line Regulation Load Regulation Efficiency||Output Voltage Maximum Current Maximum Power Ripple & Noise Line Regulation Load Regulation Efficiency|Maximum Load|
||(V)|(A)|(W)|(mVpk-pk)|(mV)|(mV)|(%)|Capacitance (uF)|
|KAS4-3P3|3.3|1.2|4|250|±16.5|±49.5|68|5,000|
|KAS4-5|5|0.8|4|250|±25|±75|72|4,200|
|KAS4-8|8|0.5|4|200|±40|±120|74|1,470|
|KAS4-9|9|0.444|4|200|±45|±135|75|1,330|
|KAS4-12|12|0.333|4|150|±24|±60|76|680|
|KAS4-14|14|0.286|4|150|±28|±70|76|470|
|KAS4-15|15|0.267|4|100|±30|±75|76|330|
|KAS4-24|24|0.167|4|100|±48|±120|77|120|



KAS Series 

1 

**==> picture [517 x 34] intentionally omitted <==**

## **Specifications** 

|**Specifcations**|**Specifcations**|**Specifcations**|
|---|---|---|
|Model<br>KAS4|||
|**Input**|||
|AC Input Voltage Range|Vac|90 - 305|
|Input Frequency|Hz|47 - 440*|
|DC Input Voltage Range|Vdc|120 - 430*|
|Input Current (115 / 230Vac)|mA|110 / 70|
|Inrush Current (115 / 230Vac)|A|15 / 25 (Cold start, 25°C, requires 10Ω 5A external NTC thermistor)|
|Touch Current (< 240Vac)|mA|<0.25|
|No Load Power Consumption|W|<0.3|
|Hold Up Time (typ) (115 / 230Vac)<br>|ms|>15|
|Effciency (1)|-|See model selector table|
|Conducted & Radiated EMI|-|EN55032-B|
|Immunity<br>|-|EN55024 (With external varistor L-N rated at 350Vrms maximum, 920V clamp, 0.6W minimum)|
|Safety Certifcations and Markings|-|UL/CSA/IEC/EN62368-1, IEC/EN60335-1 (Designed to meet), CE Mark and UKCA Mark|



## **Immunity** 

|**Immunity**|**Immunity**|**Immunity**|**Immunity**|**Immunity**|
|---|---|---|---|---|
||||||
|Test|Standard|Test Level|Criteria|Notes|
|ESD|IEC61000-4-2|2|A|Contact Discharge: ±4kV, Air Discharge: ±8kV|
|Radiated Susceptibility|IEC61000-4-3|2|A|Test Level: 3V/m at 80-1,000MHz|
|Electrical Fast Transient Burst|IEC61000-4-4|2|A|Voltage Peak: 1kV at 5kHz|
|Surge|IEC61000-4-5|2|A|Test Level: 1kV, Max Peak Current: 500A|
|Conducted Susceptibility|IEC61000-4-6|2|A|Test Level: 3Vrms|
|Magnetic Fields|IEC61000-4-8|1|A|Test Level: 1A/m|
|Voltage Dips and<br>Short Interruptions|IEC61000-4-11|<5% for 1/2 cycle<br>70% for 25/30 cycles<br><5% for 250/300 cycles|A<br>A<br>C|-<br>-<br>-|



## **Specifications** 

|**Specifcations**|**Specifcations**|**Specifcations**|
|---|---|---|
|Model<br>KAS4|||
|**Output**|||
|Output Voltage Set Accuracy|%|±2|
|Output Voltage Adjustment|-|None|
|Ripple and Noise|-|See model selector table|
|Switching Frequency<br>|kHz|124 to 140|
|Temperature Coeffcient|%/°C|±0.02|
|Minimum Load|-|None|
|Overcurrent Protection|%|>115 (Hiccup mode with auto-recovery)|
|Overvoltage Protection|-|None|
|Short Circuit Protection|-|None|
|Parallel Operation|-|Not possible|



KAS Series 

2 

## **Specifications** 

|Model||KAS4|
|---|---|---|
|**Environmental**|||
|Operating Temperature (2)|°C|-40 to +70, see derating curves below|
|Maximum Case Temperature|°C|90 (83 for <115Vac)|
|Storage Temperature|°C|-40 to +85|
|Humidity (non condensing)|%RH|10 to 95|
|Cooling|-|Convection|
|Altitude|m|3,000|
|Construction Class|-|II|
|Withstand Voltage (For 1 minute)|Vac|Input to Output 3,000|
|**Other**|||
|Weight (Typ)|g|26|
|Size (LxWxH)|mm|37.0 x 27.5 x 17.5|
|Size (LxWxH)|Inches|1.46 x 1.08 x 0.69|
|Case Material|-|Plastic Resin Case (UL 94V-0)|
|MTBF (MIL-HDBK-217F, 25°C)|Hours|450,000|
|Warranty|Years|3|



Notes: 

See website for detailed specifications, test methods and installation manual 

(1) Measured at 25%, 50%, 75% and 100% load conditions 

(2) Model dependent, see installation manual for details * Safety certified for AC input and 47-63Hz only 

## **KAS4 Outline Drawing** 

## **Pinout** 

|Pin|Function|
|---|---|
|1<br>2|+Vout<br>-Vout|
|3|Not connected|
|4|AC (L)|
|5<br>6|AC (N)<br>Not connected|



## **Derating 90 - 280Vac Input** 

## **Derating 305Vac Input** 

KAS Series 

3 

## **TDK-Lambda France SAS** 

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

## **TDK-Lambda Americas** 

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

## **Italy Sales Office** 

Tel: +39 02 61 29 38 63 info.italia@it.tdk-lambda.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 

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

## **TDK-Lambda Germany GmbH** 

Tel: +49 7841 666 0 info@de.tdk-lambda.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 powersolutions@cn.tdk-lambda.com www.lambda.tdk.com.cn 

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

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

## **Switzerland Sales Office** 

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

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

## **TDK India Private Limited, Power Supply Division** 

Tel:   +91 80 4039-0660 mathew.philip@in.tdk-lambda.com www.sg.lambda.tdk.com 

## **Nordic Sales Office** 

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

**TDK-Lambda UK Ltd.** Tel: +44 (0) 12 71 85 66 66 info@uk.tdk-lambda.com www.emea.lambda.tdk.com/uk 

**TDK-Lambda Ltd.** Tel: +9 723 902 4333 info@tdk-lambda.co.il www.emea.lambda.tdk.com/il 

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

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

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

KAS4_ Datasheet_260885 April 8th, 2022 V1 

KAS Series 

4 



## Links

- [View this product on Novapart](https://novapart.co/products/KAS4-24/ac-dc-pcb-mount-power-supply-psu-ite-1-output-4-w)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/tdk-lambda/kas-4-24/power-supply-ac-dc-24v-0-167a/dp/2777443)
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