RDE20 Series

DC-DC Converters

RDE20 Series

20W 1" x 1" PCB mount 4:1 wide input DC-DC converters for railway equipment

Designed for railway applications, the RDE20 series converters are certified to EN50155 and comply with EN50121-3-2 railway standards for electronic equipment used on traction & rolling stock. They are housed in a compact 1” x 1” footprint PCB mount package.

The 20 watt RDE20 is available in two wide input ranges covering all standard railway traction battery voltages: 13 to 70VDC for 24, 37.5 & 48VDC nominal supplies; 42 to 176VDC for 72, 96 & 110VDC nominal supplies.

Typically used on traction & rolling stock to power: Telemetry; Door control; System & safety monitors; Communication & infotainment systems; Video surveillance; Access & ticketing machines; Drive controls; Power controls; Information systems; Lighting; Passenger device-charging USB ports; HVAC systems; Sanitation control.

 

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Features

  • Regulated single & dual outputs
  • 4:1 input range
  • Covers 24/48 & 72/110VDC for railway applications
  • Single outputs 3.3 to 15VDC
  • Dual outputs ±5.0 to ±15VDC
  • Output trim ±10%
  • 1" x 1" PCB mount package
  • 3.0kVAC reinforced isolation
  • Remote On/Off
  • Complies with EN50155 for railway applications
  • Meets EMC standard EN50121-3-2
  • No external filter required
  • -40°C to +100°C operating temperature
  • Full power to +55°C
  • 3 year warranty
Model Name Power Input Voltage Output Voltage Output Current Datasheet Stock Check RFQ
RDE20 RDE2024S3V3 20 W 13 to 70 VDC 3.3V 4.5A
RDE20 RDE2024S05 20 W 13 to 70 VDC 5V 4A
RDE20 RDE2024S12 20 W 13 to 70 VDC 12V 1.67A
RDE20 RDE2024S15 20 W 13 to 70 VDC 15V 1.33A
RDE20 RDE2024D05 20 W 13 to 70 VDC 5V, -5V 2A, -2A
RDE20 RDE2024D12 20 W 13 to 70 VDC 12V, -12V 0.833A, -0.833A
RDE20 RDE2024D15 20 W 13 to 70 VDC 15V, -15V 0.666A, -0.666A
RDE20 RDE20110S3V3 20 W 42 to 176 VDC 3.3V 4.5A
RDE20 RDE20110S05 20 W 42 to 176 VDC 5V 4A
RDE20 RDE20110S12 20 W 42 to 176 VDC 12V 1.67A
RDE20 RDE20110S15 20 W 42 to 176 VDC 15V 1.33A
RDE20 RDE20110D05 20 W 42 to 176 VDC 5V, -5V 2A, -2A
RDE20 RDE20110D12 20 W 42 to 176 VDC 12V, -12V 0.833A, -0.833A
RDE20 RDE20110D15 20 W 42 to 176 VDC 15V, -15V 0.666A, -0.666A

Specifications


Dimensions

RDE20: 1.0 x 1.0 x 0.41‚ (25.4 x 25.4 x 10.4 mm)

Input Voltage

13-70 VDC 42-176 VDC

Efficiency

84% min, 90% max

Operating Temperature

-40 to +100 °C (see datasheet)

Isolation

Input to Output: 3000 VDC (60 s functional 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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