CSS65A-15

AC/DC Open Frame Power Supply (PSU), Medical, 1 Output, 65 W, 85V AC to 265V AC, Fixed

⚠️ 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 Open Frame Power Supplies
No. of Outputs:1 Output; Power Rating (Covection Cooling):65W; Power Rating (Forced Cooling):-; Input Voltage VAC:85V AC to 265V AC; Power Supply Output Type:Fixed; Output Voltag
SVHC: No SVHC (15-Jan-2018)
Product Range: CSS65A Series
No. of Outputs: 1 Output
Output Power Max: 65W
Input Voltage VAC: 85V AC to 265V AC
Input Voltage AC Max: 265V
Input Voltage AC Min: 85V
Power Supply Output Type: Fixed
Output Current - Output 1: 4.34A
Output Current - Output 2: -
Output Current - Output 3: -
Output Current - Output 4: -
Output Voltage - Output 1: 15VDC
Output Voltage - Output 2: -
Output Voltage - Output 3: -
Output Voltage - Output 4: -
Power Supply Applications: Medical
Power Rating (Forced Cooling): -
Power Rating (Convection Cooling): 65W

Delivery and price
Units per pack	50
Price	40.83 €
Current stock	10+
Lead time	30 days

Datasheet

**CSS65A Series** 

**www.** emea.tdk-lambda.com/css65a 

## **2 x4” 40-65W AC-DC Medical & ITE Power Supplies** 

|**Features**|**Benefits**|
|---|---|
|• Industry Standard Footprint|• Availability to Second Source|
|• Wide Range AC Input|• Global Operation|
|• Dual Input Fuses|• Easier System Compliance|



|**Specification**|||
|---|---|---|
|**Model**||**CSS65A**|
|Input Voltage Range|-|90 - 264VAC (47 - 63Hz)|
|Inrush Current (115/230VAC)|A|Less than 45A / 90A, 25°C ambient cold start|
|Input Current (115/230VAC)|A|2 / 1|
|Leakage Current|uA|<250uA 264VAC 63Hz|
|Touch Current|uA|<100uA 264VAC 63Hz|
|Hold Up Time (Typ)|ms|>10ms at 115VAC input|
|Off-Load Power Consumption|W|<75mW|
|Average Efficiency<br>Temperature Coefficient|%<br>%/°C|5V: 86%, 12-54V: 89%<br>±0.05%/°C|
|Output Voltage Accuracy|%|±1%|
|Output Adjustment Range|-|None|
|Remote Sense|-|Yes|
|Minimum Load|A|None|
|Output Regulation|%|5V: ±5%, 12-28V: ±3%, 48-54V: ±2%|
|Ripple & Noise|%|See Model Selector|
|Overcurrent Protection|-|110 - 180%, Auto-Recovery|
|Overvoltage Protection|V|110 - 130% of nominal (Cycle input power to reset)|
|Operating Temperature|°C|0°C to +70°C derate linearly to 50% load from 50°C to 70°C|
|Storage Temperature|°C|-40°C to +85°C|
|Humidity (non condensing)|%RH|10 - 90%RH|
|Cooling|-|Convection|
|Withstand Voltage|VAC|Input to Ground 1.5kVAC, Input to Output 4kVAC (Reinforced)<br>(2 x MOPPS), Output to Ground 1.5kVAC (1xMOPPS).|
|Isolation Resistance|MΩ|>20MΩ at 25°C & 70%RH, Output to Ground 500VDC|
|Vibration (non operating)|-|23.52m/s2(10 - 55Hz: constant sweep 1 min X, Y, Z for 1 hour)|
|Shock|-|< 196.1 m/s2(20G)|
|Safety Agency Approvals|-|UL/CSA/IEC/EN60601-1, ANSI/AAMI ES60601-1, UL/CSA/IEC/EN60950-1,<br>UL/CSA/IEC/EN62368-1, CE Mark|
|Conducted & Radiated EMI|-|EN55011-B, FCC Class B|
|Immunity|-|EN60601-1-2, IEC61000-4|
|Altitude|m|Medical: 3,000m, ITE: 5,000m|
|Weight (Typ)|g|136g|
|Size (WxLxH)|mm|50.8 x 101.6 x 30.5 (including underside components)|
|Warranty|yrs|3|



CSS65A Series 

1 

## **Outline Drawing CSS65A Series** 

## **Model Selector** 

|**Model**|**Output**<br>**(V)**|**Maximum**<br>**Output (A)**|**Maximum**<br>**Power (W)**|**Ripple and Noise**<br>**Full Load (mV)**|**Ripple and Noise**<br>**<30% Load (mV) (1)**|
|---|---|---|---|---|---|
|**CSS65A-5**|5|8.0|40|100|200|
|**CSS65A-12**|12|5.42|65|120|200|
|**CSS65A-15**|15|4.34|65|120|300|
|**CSS65A-19**|19|3.43|65|120|300|
|**CSS65A-24**|24|2.71|65|200|300|
|**CSS65A-28**|28|2.33|65|200|350|
|**CSS65A-48**|48|1.36|65|200|480|
|**CSS65A-54**|54|1.21|65|200|480|



**Notes:** (1) Ripple level increases at light loading to meet new efficiency standards 

## **Options** 

**Suffix Description** Blank Molex Input and Output Connectors /J JST Input and Output Connectors 

CSS65A Series 

2 

## **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/ 

> CSS65A Dec20 v6 

CSS65A Series 

3

Updated at April 27, 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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