RDF25 Series

DC-DC Converters

RDF25 Series

Ultra-wide 10:1 input 25W DC-DC converters for railway applications

RDF25 series converters, designed for railway applications and certified to EN50155 & EN50121-3-2 railway standards for electronic equipment used on traction & rolling stock.

The 25 watt RDF25 has an ultra-wide input range from 16 to 160VDC enabling it to cover all standard traction battery voltages: 24; 37.5; 48; 72, 96 & 110VDC with the one device. The modules are fully protected against input UVLO (under voltage lock out), output short circuit, output over voltage and over temperature conditions.

Typical applications on traction & rolling stock include: Door control; Safety monitors; Communication systems; Video surveillance; Access & ticketing machines; Drive controls; Power controls; Information systems; Lighting; Passenger device-charging USB ports.

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Features

  • Regulated single output 
  • Covers all nominal inputs from 24 to 110VDC for railway applications 
  • Wide 10:1 input range
  • Output voltage trim ±10% 
  • 3kVDC isolation 
  • High efficiency 
  • EN50155 certified for railway applications 
  • EN50121-3-2 with external components 
  • Remote On/Off 
  • Operating temperature -40°C to +100°C 
  • Full power to +55°C 
  • 3 year warranty
Model Name Power Input Voltage Output Voltage Output Current Datasheet Stock Check RFQ
RDF25 RDF2572S05 25 W 16 to 160 VDC 5V 5A
RDF25 RDF2572S12 25 W 16 to 160 VDC 12V 2.08A
RDF25 RDF2572S15 25 W 16 to 160 VDC 15V 1.67A
RDF25 RDF2572S24 25 W 16 to 160 VDC 24V 1.04A

Specifications


Dimensions

RDF25: 2.0 x 1.0 x 0.45‚ (50.8 x 25.4 x 11.5 mm)

Input Voltage

16-160 VDC

Efficiency

85% typical

Operating Temperature

-40 °C to +100 °C (see datasheet)

Isolation

Input to Output: 3000 VDC (60 s basic isolation)

European Safety Approvals

EN50155, EN62368-1

Other Safety Approvals

CE (Meets all applicable directives), UKCA (Meets all applicable legislation)

EMC

Conducted and Radiated: EN50121-3-2

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