KPSB6-12

AC/DC PCB Mount Power Supply (PSU), ITE, 1 Output, 6 W, 12 VDC, 500 mA

⚠️ 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
SVHC: No SVHC (15-Jan-2018)
Depth: 39.5mm
Width: 19.4mm
Height: 18.3mm
Product Range: KPSB Series
No. of Outputs: 1 Output
Output Power Max: 6W
Input Voltage VAC: 90V AC to 264V AC
Power Supply Output Type: Fixed
Output Current - Output 1: 500mA
Output Current - Output 2: -
Output Current - Output 3: -
Output Voltage - Output 1: 12VDC
Output Voltage - Output 2: -
Output Voltage - Output 3: -
Power Supply Applications: ITE

Delivery and price
Units per pack	250
Price	7.61 €
Current stock	10+
Lead time	30 days

Datasheet

KPSB6 - 25 Series 

## 5-25W AC-DC Board Mount Power Supplies 

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

The cost effective, board mount KPSB series offers high efficiency levels in very compact 39.5 x 19.4mm (6W) and 50.8 x 28mm (25W) footprints. Featuring an open frame or encapsulated construction, these light weight converters are Class II double insulated, allowing operation without an earth ground connection.  Optional JST plug in connectors are available. 

|**Features**|**Benefits**|
|---|---|
|• High Efficiency, Up to 87%|• Lower Operating Costs, Improved Thermal Performance|
|• Class B EMI|• No External Filter Components Required|
|• Low No Load Power Consumption|• Energy Saving|
|• Wide Operating Temperature|• Operation In Harsh Environments|
|• Class II, Wide Range Input (90-264Vac)|• Global Application, No Earth Required|



|**Model Selector**|**Model Selector**||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|Model|Output Voltage|Output Voltage|Maximum Current|||Maximum Power|||Overvoltage|||Efficiency (%)|Load Capacitance||
||(V)|||(A)||(W)|||(V)|||(230VAC)|(uF)||
|KPSB6-3R3|3.3|||1.5|||5||6.45 - 7.14|||75|1500||
|KPSB6-5|5|||1.2|||6||6.45 - 7.14|||78|1200||
|KPSB6-9|9|||0.67|||6||10.5 - 12.1|||81|670||
|KPSB6-12|12|||0.5|||6||14.3 - 15.8|||81|500||
|KPSB6-15|15|||0.4|||6||17.1 - 19.5|||81|400||
|KPSB6-24|24|||0.25|||6||28.5 - 31.5|||83|250||
|KPSB25-5|5|||4||20|||6.8 (Typ)|||81|81000||
|KPSB25-12|12|||2.1||25|||15 (Typ)|15 (Typ)||84|40900||
|KPSB25-15|15|||1.67||25|||18 (Typ)|18 (Typ)||85|19800||
|KPSB25-24|24|||1.05||25|||30 (Typ)|30 (Typ)||86|6600||
|KPSB25-36|36|||0.7||25|||47 (Typ)|47 (Typ)||87|4000||
|KPSB25-48|48|||0.52||25|||56 (Typ)|56 (Typ)||87|2170||
||||||||||||||||
|**KPSB**|||**25**||||**-24**|||||**- J**|||
||||||||||||||||
||||Output power||||Output voltage||||Blank Pcb mount||||
||||||||||||-E|-E<br>Encapsulated pcb mount|||
||||||||||||-J|-J<br>JST plug-in connectors|||



KPSB6 - 25 Series 

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

|**Specifcations**|**Specifcations**|**Specifcations**|**Specifcations**|
|---|---|---|---|
|Model<br>KPSB6|||KPSB25|
|**Input**||||
|Input Voltage Range (Operating)|Vac|90 - 264||
|Nominal Input Voltage Range|Vac|100 - 240||
|Input Current (100Vac, Full Load)|A|0.25|0.7|
|Inrush Current at 240Vac (Cold Start)|A|90|60|
|Touch Current (264Vac)|uA|<250||
|Harmonic Compliance|-|Meets IEC61000-3-2 Class A||
|No Load Power Consumption|W|<0.075|<0.1|
|Hold Up Time (typ) at 115Vac Input<br>|ms|12|8|
|Effciency|-|See model selector table||
|Conducted & Radiated EMI|-|EN55032-B conducted and radiated, FCC Part 15 Class B||
|Immunity|-|EN55024, EN61204-3, EN61000-6-1, EN61000-6-2. See immunity table for details||
|Insulation Class<br>|-|Construction suitable for Class II installation||
|Safety Certifcations and Markings|-|IEC/UL/CSA/EN62368-1, (meets IEC/EN60335 and IEC/EN61558-1), CE Mark and UKCA Mark||



## **Immunity** 

|**Immunity**|**Immunity**|**Immunity**|**Immunity**|**Immunity**|
|---|---|---|---|---|
|Test|Standard|Test Level|Criteria|Notes|
|ESD|EN61000-4-2|Lvl 4 (+/-8kV)|A|Air discharge (Unit not accessible for contact)|
|Radiated Susceptibility|EN61000-4-3|N/A|A|Embedded power supply|
|Electrical Fast Transient Burst|EN61000-4-4|Lvl 3 (±2kV) / Lvl 3 (±1kV)|A|AC input port / DC output port|
|Surge|EN61000-4-5|Lvl 3 (±1kV)|A|-|
|Conducted Susceptibility<br>|EN61000-4-6|N/A|-|Embedded power supply|
|Magnetic felds|EN61000-4-8|Lvl 3 (30A/m)|A|-|
|Voltage Dips and<br>Input Interruptions|EN61000-4-11<br>Class 3 Industrial, incl<br>EN55024 (100Vac)|5% for 1/2 cycle<br>70% for 25/30 cycles<br>5% for 250/300 cycles|A<br>A<br>B|-<br>-<br>-|
||EN61000-4-11<br>Class 3 Industrial, incl<br>EN55024 (240Vac)|5% for 1/2 cycle<br>70% for 25/30 cycles<br>5% for 250/300 cycles|A<br>A<br>B|-<br>-<br>-|



KPSB6 - 25 Series 

2 

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

|**Specifcations**|**Specifcations**|**Specifcations**|**Specifcations**|
|---|---|---|---|
|Model<br>KPSB6|||KPSB25|
|**Output**||||
|Output Voltage Accuracy (Full Load)|%|3.3V: ±6, 5 to 9V: ±5, 12 to 24V: ±3|5V: ±2, 12 to 24V: ±1|
|Output Voltage Adjustment|-|None||
|Switching Frequency (Typ)|kHz|30 - 70|65|
|Line Regulation|%|±1||
|Load Regulation (10 to 100% Load)|%|3.3V: ±, 5 to 9V: ±5, 12 to 24V: ±3|±1|
|External Load Capacitance|uF|See model selector table||
|Ripple & Noise (20MHz BW)<br>|mV / %|3.3 to 9V: 100mV, 12V: 120mV, 15V: 150mV, 24V: 240mV|<br>1%|
|Temperature Coeffcient|%/°C|±0.05||
|Minimum Load<br>Overcurrent Protection|-<br>-|No minimum load required<br>Hiccup mode with auto recovery||
|Overvoltage Protection|V|See Model Selector Table. Zener clamp method||
|Parallel Operation|-|Not possible||
|**Environmental**||||
|<br>Operating Temperature|°C|-40 to +80, derate linearly from 100%<br>to 50% load from 60 to 80|Open Frame: -30 to +60, derate linearly from<br>100% to 50% load from 40 to 60<br>Encapsulated: -30 to +70, derate linearly from<br>100% to 50% load from 50 to 70|
|Storage Temperature|°C|-40 to +85<br>-30 to +85||
|Humidity (non condensing)|%RH|5 - 93 (Operating & Storage)||
|Cooling|-|Convection||
|Altitude|m|5,000|5,000 (3,000 IEC61558-1)|
|Withstand Voltage (For 1 minute)|Vac|Input to Output 3kV||
|Isolation Resistance|MΩ|>100 at 25°C, 70%RH & 500VDC||
|Vibration|-|Meets MIL-STD 810F table 514.5C VIII, 15 to 2,000Hz, X,Y, V axis, 1 hour each. 4G||
|Shock|-|Meets MIL-STD-810F, 516.5 table 516.1-1, 10ms, X, Y, Z axis 3 times. 75G||
|**Other**||||
|<br>Weight (Typ)|g|KPBS6-xx:     11g<br>KPBS6-xx-J: 12g<br>KPBS6-xx-E: 30g|KPBS25-xx:     50g<br>KPBS25-xx-J: 55g<br>KPBS25-xx-E: 105g|
|Size (LxWxH)|mm|KPBS6-xx:  39.5 x 19.4 x 18.3<br>KPBS6-xx-J: 49.53 x 18.5 x 17.5<br>KPBS6-xx-E: 41.1 x 21 x 20|KPBS25-xx:  50.8 x 27.94 x 24.9<br>KPBS25-xx-J: 70.5 x 27.94 x 23.0<br>KPBS25-xx-E: 53.1 x 30.3 x 24.8|
|Size (LxWxH)|Inches|KPBS6-xx: 1.555 x 0.764 x 0.72<br>KPBS6-xx-J: 1.95 x 0.728 x 0.689<br>KPBS6-xx-E: 1.618 x 0.827 x 0.787|KPBS25-xx:  2.0 x 1.1 x 0.98<br>KPBS25-xx-J: 2.776 x 1.1 x 0.906<br>KPBS25-xx-E: 2.091 x 1.193 x 0.976|
|Connectors|-|KPSB6-xx-J: Input: JST B3B-PH, Output: B2B-PH, KPSB25-xx-J: Input: JST B3B-XH, Output: B4B-XH||
|Case Material|-|-E option code: Flame Retardant Polycarbonate (UL94 V-0)||
|MTBF - MIL-HDBK-217F, GB 25°C, 115Vac|Hours|1,120,000 (24V model)|500,000 (Minimum)|
|Warranty|yrs|3||



Notes: See website for detailed specifications, test methods and installation manual 

KPSB6 - 25 Series 

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**----- Start of picture text -----**<br>
KPSB6 Outline Drawings & Pin Out<br>**----- End of picture text -----**<br>


KPSB6 - 25 Series 

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## **KPSB25 Outline Drawings & Pin Out** 

KPSB6 - 25 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/ 

KPSB6 - 25_ Datasheet_260661 March 16th, 2023 V3 

KPSB6 - 25 Series 

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Updated at June 3, 2026

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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