RTW28-5R4

POWER SUPPLY, SWITCH MODE, 28V

⚠️ 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
Product Range: RTW Series
No. of Outputs: 1 Output
Input Voltage VAC: 85V AC to 265V AC
Power Supply Approvals: ITE
Power Supply Output Type: Adjustable, Fixed
Output Current - Output 1: 5.4A
Output Voltage - Output 1: 28V
Power Rating (Convection Cooling): 151.2W

Delivery and price
Units per pack	10
Price	311.3 €
Current stock	10+
Lead time	30 days

Datasheet

• 5 Year Warranty 

- Ultra Thin Package 

- SEMI F47 Compliant (high line AC) 

- Universal Input (85 - 265VAC) 

- High Efficiency 

## **Key Market Segments & Applications** 

## RTW Series 

Semiconductor Fabrication Test & Measurement: LED Signs 

Single Output Industrial Power Supplies 

## RTW Features and Benefits 

|Features|Benefits|
|---|---|
|• 5 Year Warranty|• Lower Cost of Ownership|
|• Ultra Thin Package|• Allows use in small spaces|
|• Wide range AC Input|• Supports global use|



|**Specifications**||||||
|---|---|---|---|---|---|
|MODELS|||**50W**|**100W**<br>**150W**|**300W**|
|ITEMS||||||
|AC Input Voltage||-||85 - 265VAC (47 - 440Hz), 150-340VDC||
|Input Current (100/200VAC) (Typ)||A|0.7 / 0.4|1.5 / 0.75<br>1.9 / 1.0|2.0 / 4.0|
|Inrush Current (100/200VAC)||A||14 / 28|15 / 30|
|DC Input Voltage||V||120 - 375VDC|150 - 340VDC|
|Power Factor||-||Meets EN61000-3-2||
|Overcurrent Protection||-||Yes, typically 105 - 125% (100 & 150W hiccup style)||
|Overvoltage Protection||V||Yes, typically 120-140%.  Cycle input to reset||
|Hold Up Time (100/200VAC)||ms||>20||
|Leakage Current (max at 240VAC)||mA|0.6|0.45<br>0.65|0.75|
|Load Regulation||%||0.4% (0-100% load change)||
|Line Regulation||%||0.2% (85-132 or 170-265VAC line change)||
|Remote Sense||-||Yes||
|Current Share||-||No|Yes|
|Remote On/Off||-||Yes, see instruction manual on website||
|DC Fail Signal||-||No|Yes|
|Indicator||-||Green LED = ON||
|Operating Temperature||-|-10°C to +71°C, -20°C start up.  See derating curves on sheet 2|-10°C to +71°C, -20°C start up.  See derating curves on sheet 2||
|Storage Temperature||°C||-30°C to +75°C||
|Humidity (non condensing)||-||10 - 95%RH||
|Cooling||-||Convection||
|Withstand Voltage||-|Input to Ground 2kVAC, Input to Output 3kVAC, Output to Ground 500VAC for 1 min.|||
|Isolation Resistance||-|>100MΩat 25°C & 70%RH, Output to Ground 500VDC|||
|Vibration (non operating)||-|5 - 200Hz (10 min sweep), 19.6m/s2,  1 hour (Amplitude 10mm)|||
|Shock (Vertical mounting) (3)||-|196m/s2<br>588m/s2|||
|Safety Agency Approvals  (1)||-||UL60950-1, CSA60950-1 (cUL), EN60950-1, CE Mark||
|Line Dip||-||Complies with SEMI F47 (200VAC line only)||
|Conducted & Radiated EMI||-||EN55011 / EN55022-B, FCC-B||
|Immunity||-||IEC61000-4-2 (Level 4), -3, -4 (Level 3), -5 (Level 4)||
|Weight (Typ)||g|290|450<br>600|1300|
|Size (WxHxD)||mm|22 x 82 x 124|25 x 82 x 160<br>30 x 92 x 180|40 x 120 x 250|
|Warranty||yrs||5||



**Notes:** (1) Consult Sales Office for use under DC Input conditions    (2) 100/200VAC    (3) Non operating, 11 ±5ms, 3 directions, 3 times each. 

RTW Series 

**1** 

## **Model Selector** 

|**Model**|**Voltage**|**Adjustment**|**Max**|**Max**|**Ripple/Noise**|**Efficiency**|**Pack**|
|---|---|---|---|---|---|---|---|
||**(V)**|**Range**|**Current (A)**|**Power (W)**|**(mV)**|**(typ)%2**|**Size**|
|RTW03-12R|3.3V|2.6 - 4.0|12.5|41.2|120|75 / 77|50W|
|RTW03-25R|3.3V|2.6 - 4.0|25|82.5|120|79 / 81|100W|
|RTW03-35R|3.3V|2.6 - 4.0|35|115.5|120|80 / 83|150W|
|RTW03-70RH|3.3V|1.8 - 3.6|70|231|120|83 / 86|300W|
|RTW05-10R|5V|4.0 - 5.8|10|50|120|80 / 82|50W|
|RTW05-20R|5V|4.0 - 5.8|20|100|120|83 / 85|100W|
|RTW05-30R|5V|4.0 - 5.8|30|150|120|83 / 86|150W|
|RTW05-60RH|5V|3.5 - 5.6|60|300|120|84 / 87|300W|
|RTW12-4R3|12V|9.6 - 13.2|4.3|51.6|150|81 / 83|50W|
|RTW12-8R4|12V|9.6 - 13.2|8.4|100.8|150|84 / 86|100W|
|RTW12-12R|12V|9.6 - 13.2|12.5|150|150|84 / 87|150W|
|RTW12-25RH|12V|7.2 - 14.4|25|300|150|83 / 86|300W|
|RTW15-3R5|15V|12.0 - 16.5|3.5|52.5|150|82 / 85|50W|
|RTW15-6R7|15V|12.0 - 16.5|6.7|100.5|150|85 / 87|100W|
|RTW15-10R|15V|12.0 - 16.5|10|150|150|84 / 87|150W|
|RTW15-20RH|15V|10.5 - 18.0|20|300|150|83 / 86|300W|
|RTW24-2R2|24V|19.2 - 26.4|2.2|52.8|200|82 / 85|50W|
|RTW24-4R2|24V|19.2 - 26.4|4.2|100.8|200|85 / 87|100W|
|RTW24-6R3|24V|19.2 - 26.4|6.3|151.2|150|86 / 88|150W|
|RTW24-13RH|24V|16.8 - 26.4|13|312|200|85 / 88|300W|
|RTW28-1R8|28V|22.4 - 30.8|1.8|50.4|200|82 / 85|50W|
|RTW28-3R6|28V|22.4 - 30.8|3.6|100.8|200|85 / 87|100W|
|RTW28-5R4|28V|22.4 - 30.8|5.4|151.2|200|86 / 88|150W|
|RTW28-11RH|28V|19.6 - 33.6|11|308|200|85 / 88|300W|
|RTW48-1R1|48V|38.4 - 52.8|1.1|52.8|300|82 / 85|50W|
|RTW48-2R1|48V|38.4 - 52.8|2.1|100.8|300|85 / 88|100W|
|RTW48-3R2|48V|38.4 - 52.8|3.2|153.6|200|86 / 89|150W|
|RTW48-6R5H|48V|33.6 - 55.0|6.5|312|300|86 / 89|300W|



**Notes:** (2) 100/200VAC   See website technical downloads for detailed information 

|**Options**||
|---|---|
|Suffix|Description|
|L|Vertical Terminal Block (option for 50W & 100W models only)|
|C|Cover (50W, 100W & 150W models)|
|H|Cover (300W models)|



RTW Series 

**2** 

**==> picture [471 x 137] intentionally omitted <==**

**----- Start of picture text -----**<br>
Derating Curves RTW50-150W Series<br>RTW 50 - 150W (without cover option)<br>100%<br>1 MOUNTINGB, C<br>><br>* 70%  ns \ MOUNTING A<br>AT INPUT VOLTAGE 85 -9 0V, = is  ae elias (100and 150W)<br>DERATE TO 90% 4 i<br>**----- End of picture text -----**<br>


Derating Curve RTW 300W Series 

RTW Series 

**3** 

## **TDK-Lambda France SAS** 

ZAC des Delaches CS 41077 9 rue Thuillere 91978 Villebon Courtaboeuf France 

Tel: +33 1 60 12 71 65 Fax: +33 1 60 12 71 66 france@fr.tdk-lambda.com www.fr.tdk-lambda.com 

## **Italy Sales Office** 

Via dei Lavoratori 128/130 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.it.tdk-lambda.com 

## **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 powersolutions@uk.tdk-lambda.com www.uk.tdk-lambda.com 

## **TDK-Lambda Ltd.** 

Kibbutz Givat Hashlosha 48800 Israel 

Tel: +9 723 902 4333 Fax: +9 723 902 4777 info@tdk-lambda.co.il www.tdk-lambda.co.il 

## **Netherlands** 

info@tdk-lambda.nl www.tdk-lambda.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.de.tdk-lambda.com 

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

**Commercial Support:** Tel: +7 (495) 665 2627 

**Technical Support:** Tel: +7 (812) 658 0463 info@tdk-lambda.ru www.tdk-lambda.ru 

## **Local Distribution** Cd 

## **Austria Sales Office** 

Aredstrasse 22 2544 Leobersdorf Austria Tel: +43 2256 655 84 Fax: +43 2256 645 12 info.germany@de.tdk-lambda.com www.de.tdk-lambda.com 

## **Scandinavia Sales Office** 

Valdemarsgade 7 4100 Ringsted Denmark Tel: +45 24 63 95 65 Fax: +45 69 80 44 99 info@de.tdk-lambda.com www.emea.tdk-lambda.com 

## **Switzerland Sales Office** 

Bahnhofstrasse 50 8305 Dietlikon Switzerland Tel: +41 44 850 53 53 Fax: +41 44 850 53 50 info@de.tdk-lambda.com www.de.tdk-lambda.com 

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

RTW Sept15 v5 

RTW Series 

**4**

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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