KAS-2-12
AC/DC PCB Mount Power Supply (PSU), ITE, 1 Output, 2 W, 12 VDC, 167 mA
- Manufacturer: TDK-LAMBDA
- Product type: AC / DC PCB Mount Power Supplies
- Depth: 28.5mm
- Width: 25.8mm
- Height: 17mm
- Product Range: KAS
- No. of Outputs: 1 Output
- Output Power Max: 2W
- Input Voltage VAC: 90V AC to 305V AC
- Input Voltage AC Max: 305V
- Input Voltage AC Min: 90V
- Power Supply Approvals: ITE
- Power Supply Output Type: Fixed
- Output Current - Output 1: 167mA
- Output Voltage - Output 1: 12VDC
| Delivery and price | |
|---|---|
| Units per pack | 10 |
| Price | 7.93 € |
| Current stock | 10+ |
| Lead time | 30 days |
**KAS Series** **www.** uk.tdk-lambda.com/kas ## **2-4W Wide AC-DC Input PCB-Mount Power Supplies** |**Features**|**Benefits**| |---|---| |• 90 - 305VAC Input Voltage|• Global Use| |• Class II (No ground needed)|• Easy Rapid On-Board Integration| |• Wide Temperature Range (-40 to +80°C) • Use in a Range of Professional Industrial Applications|| |• Low off-load Power Consumption|• Friendly Environmental Footprint| |**Specification**||||| |---|---|---|---|---| |**Model**||**KAS2**||**KAS4**| |Input Voltage Range|-|90-305VAC 47-63Hz or 120-430VDC*|90-305VAC 47-440Hz or 120-430VDC*|| |Inrush Current Limiting(115 / 230VAC) (1)|A|30 / 50A||15 / 25A| |Input Current (115 / 230VAC)|mA|75 / 55mA||110 / 70mA| |No Load Power Consumption|W||<0.3W|| |Recommended External Fuse|-|3.15 A slow blow type|3.15 A slow blow type|| |Temperature Coefficient|-||±0.02%/°C|| |Voltage Set Accuracy|%|±6%||±2%| |Minimum Load|-||None|| |Overcurrent Protection|-|Hiccup mode, automatic recovery||| |Overvoltage Protection|%||No|| |Hold-up Time (115 / 230VAC)|ms||>15ms|| |Leakage Current (Touch)|mA|<0.25mA at <240VAC||| |Operating Temperature|-|-40°C to +80°C, derate linearly to 40%<br>load from 60°C to 80°C|-40°C to +70°C, derate linearly to 40%<br>load from 50°C to 70°C (2)|| |Storage Temperature|-||-40°C to +85°C|| |Humidity|%RH|10% to 95% RH (non-condensing)||| |Cooling|-||Convection|| |Withstand Voltage|VAC|Input to output: 3kVAC||Input to output: 3kVAC| |Immunity|-|EN55024 (With external varistor L-N rated at 350Vrms maximum, 920V clamp, 0.6W minimum)||| |Safety Agency Certification|-|UL/CSA/IEC/EN62368-1, 60950-1, IEC/EN60335-1 (Designed to meet), CE Mark||UL/CSA/IEC/EN62368-1, 60950-1, IEC/EN60335-1 (Designed to meet), CE Mark| |Conducted and Radiated EMI|-|EN55032 Class B||| |Weight|g|19.9||26| |Size (LxWxH)|mm|28.5 x 25.8 x 17.0||37.0 x 27.5 x 17.5| |Mounting & Case|-|PC board mountable. Resin case (UL 94V-0)||| |MTBF (MIL-HDBK-217F)|hrs|>450,000 hours||| |Warranty|yrs||3|| ## **Notes:** **(1)** Cold start, 25[o] C ambient. Requires 10Ω 5A external NTC thermistor **(2)** Model dependent, see installation manual for details ***** Safety certified for AC input, 47-63Hz only ## **Note: KAS2 no longer available** KAS Series 1 ## **Model Selector** |**Model**||**Output**<br>**Voltage**|**Maximum**<br>**Current**|**Power**|**Output Ripple**<br>**& Noise**|**Line**<br>**Regulation**|**Load**<br>**Regulation**|**Efficiency**|**Maximum**<br>**Capacitive Load**| |---|---|---|---|---|---|---|---|---|---| |||**(V)**|**(A)**|**(W)**|**(mV)**|**(mV)**|**(typ) (3)**|**(%)**|**(µF)**| |KAS2-3P3|V1|3.3V|0.6A|2W|300mV|±165mV|±198mV|66%|7000| |KAS4-3P3|V1|3.3V|1.2A|4W|250mV|±16.5mV|±49.5mV|68%|5000| |KAS2-5|V1|5V|0.4A|2W|300mV|±250mV|±300mV|70%|4000| |KAS4-5|V1|5V|0.8A|4W|250mV|±25mV|±75mV|72%|4200| |KAS4-8|V1|8V|0.5A|4W|200mV|±40mV|±120mV|74%|1470| |KAS2-9|V1|9V|0.22A|2W|300mV|±450mV|±540mV|73%|1200| |KAS4-9|V1|9V|0.444A|4W|200mV|±45mV|±135mV|75%|1330| |KAS2-12|V1|12V|0.167A|2W|300mV|±600mV|±720mV|73%|500| |KAS4-12|V1|12V|0.333A|4W|150mV|±24mV|±60mV|76%|680| |KAS4-14|V1|14V|0.286A|4W|150mV|±28mV|±70mV|76%|470| |KAS2-15|V1|15V|0.133A|2W|300mV|±750mV|±900mV|73%|350| |KAS4-15|V1|15V|0.267A|4W|100mV|±30mV|±75mV|76%|330| |KAS2-24|V1|24V|0.083A|2W|300mV|±1200mV|±1440mV|75%|110| |KAS4-24|V1|24V|0.167A|4W|100mV|±48mV|±120mV|77%|120| **Notes:** (3) KAS2 10-100% load change ## **Outline Drawing KAS2** ## **Outline Drawing KAS4** ## **Pin Assignment** |**PIN #**|**KAS2**|**KAS4**| |---|---|---| |1|+Vout|+Vout| |2|-Vout|-Vout| |3|Neutral|Not connected| |4|Line|Line| |5|Not connected|Neutral| |6|-|Not connected| KAS Series 2 ## **TDK-Lambda France SAS** 3 Avenue du Canada Parc Technopolis Bâtiment Sigma 91940 les Ulis France Tel: +33 1 60 12 71 65 Fax: +33 1 60 12 71 66 france@fr.tdk-lambda.com www.emea.lambda.tdk.com/fr ## **Italy Sales Office** Via Giacomo Matteotti 62 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.emea.lambda.tdk.com/it ## **Netherlands** info@nl.tdk-lambda.com www.emea.lambda.tdk.com/nl ## **TDK-Lambda Germany GmbH** Karl-Bold-Strasse 40 77855 Achern Germany Tel: +49 7841 666 0 Fax: +49 7841 5000 info.germany@de.tdk-lambda.com www.emea.lambda.tdk.com/de ## **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 info@uk.tdk-lambda.com www.emea.lambda.tdk.com/uk ## **TDK-Lambda Ltd.** 1 Alexander Yanai Segula Petah-Tikva Israel Tel: +9 723 902 4333 Fax: +9 723 902 4777 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 ## **Local Distribution** CG ## **Austria Sales Office** Aredstrasse 22 2544 Leobersdorf Austria Tel: +43 2256 655 84 Fax: +43 2256 645 12 info@at.tdk-lambda.com www.emea.lambda.tdk.com/at ## **Switzerland Sales Office** Eichtalstrasse 55 8634 Hombrechtikon Switzerland Tel: +41 44 850 53 53 Fax: +41 44 850 53 50 info@ch.tdk-lambda.com www.emea.lambda.tdk.com/ch ## **Nordic Sales Office** Haderslevvej 36B DK-6000 Kolding Denmark Tel: +45 8853 8086 info@dk.tdk-lambda.com www.emea.lambda.tdk.com/dk **www.emea.lambda.tdk.com** KAS Mar21 v4 KAS Series 3
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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