DC-DC Converter
RDE20 Series
20 Watts
• Regulated Single & Dual Output
xxx Series
• 24-48 VDC & 72-110 VDC nominal inputs for Railway Applications
• 3000 VDC Isolation
• High Efficiency
• EN50155 Certified for Railway Applications
• EN50121-3-2 with External Components
• Remote On/Off
• Output Voltage Trim 10%
• Operating Temperature -40 °C to +100 °C
• Full Power to +55 °C
Dimensions:
RDE20:
• 3 Year Warranty
1.0 x 1.0 x 0.41” (25.4 x 25.4 x 10.4 mm)
The RDE20 series provides a comprehensive wide DC input voltage range covering all requirements of the railway standard EN50155. The product
features a robust design tested to railway standards and includes a remote on /off function, output voltage trimming, protection against short
circuit, undervoltage lockout, overload and overvoltage.
Models & Ratings
Input current(1)
Maximum
capacitive load
7000 µF
5000 µF
850 µF
Input voltage
Output voltage
Output current
Efficiency
Model number
No load
Full load
3.3 V
5.0 V
4500 mA
4000 mA
1670 mA
1330 mA
2000 mA
833 mA
711.20 mA
946.96 mA
936.33 mA
925.92 mA
968.99 mA
925.92 mA
925.92 mA
156.97 mA
206.61 mA
211.41 mA
211.41 mA
216.45 mA
208.98 mA
208.98 mA
87%
88%
89%
90%
86%
90%
90%
86%
88%
86%
86%
84%
87%
87%
RDE2024S3V3
RDE2024S05
RDE2024S12
RDE2024S15
RDE2024D05
RDE2024D12
RDE2024D15
RDE20110S3V3
RDE20110S05
RDE20110S12
RDE20110S15
RDE20110D05
RDE20110D12
RDE20110D15
12.0 V
15.0 V
5.0 V
13-70 VDC
10 mA
700 µF
1000 µF
680 µF
12.0 V
15.0 V
3.3 V
666 mA
470 µF
4500 mA
4000 mA
1670 mA
1330 mA
2000 mA
833 mA
7000 µF
5000 µF
850 µF
5.0 V
12.0 V
15.0 V
5.0 V
42-176 VDC
10 mA
700 µF
1000 µF
680 µF
12.0 V
15.0 V
666 mA
470 µF
Notes
1. Input current measured at nominal input voltage.
2. For heatsink add suffix ‘-HK’, e.g. RDE2024S15-HK
Mechanical Details
Optional
Heatsink (-HK)
0.4
0.4
0.41
(10.4)
Pin Connections
Pin Single Output Dual Output
(10.16) (10.16)
1.0
(25.4)
1.0
0.02
(0.5)
(25.4)
0.66
(16.8)
1
2
3
4
5
6
+Vin
-Vin
Control
+Vout
Trim
+Vin
-Vin
Control
+Vout
Com
1.0
(25.4)
0.6
(15.24)
0.8
Bottom View
Top View
1.0 (25.4)
ø0.04
(20.32)
(1.0)
-Vout
-Vout
Notes
1. All dimensions are in inches (mm)
0.24
(6.0)
1.0
(25.4)
0.2
(5.08)
1.0
(25.4)
0.3
(7.62)
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