DTM300PW-480D1

AC/DC Power Supply, Medical, 1 Output, 300 W, 48 VDC, 6.25 A

⚠️ 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 External Plug In Adaptor Power Supplies
No. of Outputs:1 Output; Output Power Max:300W; Output Voltage - Output 1:48V; Output Current - Output 1:6.25A; Output Voltage - Output 2:-; Output Current - Output 2:-; Output Connec
SVHC: No SVHC (15-Jan-2018)
Plug Type: Mains Plug Sold Separately
Product Range: DTM300-D Series
No. of Outputs: 1 Output
Output Connector: 10 Pin Mini Fit
Output Power Max: 300W
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: 6.25A
Output Current - Output 2: -
Output Current - Output 3: -
Output Voltage - Output 1: 48VDC
Output Voltage - Output 2: -
Output Voltage - Output 3: -
Power Supply Applications: Medical

Delivery and price
Units per pack	5
Price	214.68 €
Current stock	10+
Lead time	30 days

Datasheet

DTM300-D Series 

## 300W Medical/ITE Class I and II AC-DC External Power Supplies 

2 

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

The DTM300-D Class I and Class II (no ground connection) 300W external power supplies are certified to IEC/ES/CSA/EN60601-1, IEC60601-1-11 (Class II), IEC/UL/CSA/EN62368-1 and are compliant to IEC60601-1-2 (Ed4). With an average efficiency of greater than 88% and an off-load power consumption of less than 0.5W, this series also complies with DoE Level VI standards for efficiency and off-load power. With options for Class I or Class II inputs, the DTM300-D series is suitable for a variety of power hungry medical, industrial, and test and measurement applications. 

|**Features**|**Benefits**|
|---|---|
|• Wide Range AC Input (Class I or Class II Input Options)|• Global Operation|
|• Meets DoE Level VI Efficiency|• Meets US Energy Saving Legislation|
|• 60601-1 Medical Certifications /2xMoPP|• Suitable for B & BF Rated Equipment|
|• 62368-1 ITE Certifications|• Suitable for Industrial Applications|
|• < 0.5W Off-load Power Draw|• Consumes Less Energy|



## **Model Selector** 

|**Model Selector**||||||||
|---|---|---|---|---|---|---|---|
|||Output|Max|Max||Overvoltage|Ripple &|
|Model||Voltage|Current|Power||Protection|Noise|
|||(V)|(A)|(W)||(V)|(mVpk-pk)|
|DTM300PW120D1||12|25|300||12.9 - 16.0|240|
|DTM300PW150D1||15|20|300||16.0 - 20.0|300|
|DTM300PW190D1||19|15.79|300||20.20 - 25.46|300|
|DTM300PW240D1||24|12.50|300||25.50 - 32.16|300|
|DTM300PW280D1||28|10.71|300||29.6 - 33.2|300|
|DTM300PW480D1||48|6.25|300||50.0 - 57.2|300|
|DTM300PW540D1||54|5.56|300||56.0 - 60.2|300|
|DTM300PW120D2||12|25|300||12.9 - 16.0|240|
|DTM300PW150D2||15|20|300||16.0 - 20.0|300|
|DTM300PW190D2||19|15.79|300||20.20 - 25.46|300|
|DTM300PW240D2||24|12.5|300||25.50 - 32.16|300|
|DTM300PW280D2||28|10.71|300||29.6 - 33.2|300|
|DTM300PW480D2||48|6.25|300||50.0 - 57.2|300|
|DTM300PW540D2||54|5.56|300||56.0 - 60.2|300|
|||||||||
|**DTM300PW**|**240**||||**D2**|||



120   12V Output Voltage 150   15V Output Voltage 190   19V Output Voltage 240   24V Output Voltage 280   28V Output Voltage 480   48V Output Voltage 540   54V Output Voltage 

D1   Class I Input (IEC320-C14) D2   Class II Input (IEC320-C18) 

DTM300-D Series 

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## **Specification** 

|**Specifcation**|**Specifcation**|**Specifcation**|
|---|---|---|
|Model<br>DTM300-D|||
|**Input**|||
|Input Voltage range|Vac|90 - 264|
|Input Frequency|Hz|47 - 63|
|Input Current (115/230Vac)|A|3.0 / 1.5|
|Inrush Current at 230Vac (Cold Start)|A|<70 (25°C ambient)|
|Touch Current|uA|<100|
|No Load Power Consumption|mW|<500|
|Hold Up Time (typ) at 115Vac Input<br>|ms|10|
|Average Effciency (1)|%|>88|
|Conducted & Radiated EMI|-|EN55032-B, EN55011-B, FCC Part 15 Class B, FCC Part 18 Class B|
|Immunity<br>|-|IEC60601-1-2 Ed4:2014|
|Safety Agency Certifcations|-|IEC/ES/UL/CSA/EN60601-1, IEC/UL/CSA/EN62368-1, 60950-1,<br>IEC60601-1-11 (Class II Models), CE Mark (LVD, EMC and RoHS)|
|**Output**<br>|||
|Voltage Accuracy|%|Included in Total Regulation Specifcation|
|Output Voltage Adjustment|-|None|
|Switching Frequency (Full Load)|kHz|83 - 96|
|Total Regulation|%|±5|
|Ripple & Noise (2)<br>|-|See Model Selector Table|
|Temperature Coeffcient|%/°C|±0.05|
|Minimum Load|-|No minimum load required|
|Overcurrent Protection|%|105 - 150 (Auto-Recovery)|
|Overvoltage Protection|-|See Model Selector Table (Auto-Recovery)|
|Short Circuit Protection|-|Continous - Hiccup Mode (Auto-Recovery)|
|Indicators|-|LED indicates DC output is on|
|Parallel Operation|-|Not possible|
|**Environmental**|||
|Operating Temperature (3)|°C|-30 to 60 derate linearly to 50% load from 40 to 60|
|Storage Temperature|°C|-30 to 85|
|Humidity (non condensing)|%RH|0 - 95|
|Cooling|-|Convection|
|Altitude|m|5,000|
|Withstand Voltage (For 1 minute)|Vac|Class I: Input to Output 4,000 (2xMoPP), Input and Output to Ground 1,500 (1xMoPP)<br>Class II: Input to Output 4,000 (2xMoPP)|
|Isolation Resistance|MΩ|20|
|IP Rating|-|IP42|
|**Other**|||
|Weight (Typ)|g|1,570|
|Size (LxWxH)|mm|222 x 112 x 45|
|Size (LxWxH)|Inches|8.75 x 4.40 x 1.77|
|AC Input Connector|-|Class I: IEC 320-C14 (3 prong); Class II: IEC320-C18 (2 prong)|
|DC Output Connector|-|10 Pin Mini Fit P4.20 (See Outline Drawing)|
|Output Mating Connector|-|Molex Mini Fit 39-28-1103 or equivalent|
|Cable Length & Thickness||800mm; UL 2464 #16 AWG|
|MTBF (Bellcore TR-332), 100% load, 25°C|hrs|200,000|
|Warranty|yrs|3|



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

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

(2) Ripple and noise is measured at 20MHz BW. Add 0.1uF ceramic capacitor and 47uF Electrolytic capacitor in parallel across the output 

(3) Derate linearly to 70% load from 0 to -30°C 

DTM300-D Series 

2 

## **Outline Drawing** 

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Note:<br>1. AC Inlet: IEC320-C14 or IEC320-C18<br>2. Plastic Case Color: Black<br>3. Tolerance: ±1mm<br>4. Unit: mm<br>**----- End of picture text -----**<br>


DTM300-D 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.germany@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 ~~a~~ https://product.tdk.com/en/power/ 

DTM300-D_ Datasheet_260819 August 24th, 2021 V1 

DTM300-D Series 

4

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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