Isolated DC-DC Converters

Isolated DC-DC converters convert a source of direct current (DC) from one voltage to another, and contain an electrical barrier between the input and output to improve safety. They are suitable for a range of applications, including telecommunication equipment, industrial equipment and consumer electronics.


What are isolated DC-DC converters used for?

Isolated DC-DC converters are used within equipment and devices containing different circuits or sub-circuits where it is necessary to convert the voltage of a DC supply from one level to another. For converting AC to DC, an AC-DC converter would be used.


Types of isolated DC-DC converters

Isolated DC-DC converters come in a wide range of input and output voltages and a variety of mountings, such as:

  • Chassis mount
  • DIN Rail mount
  • Flange mount
  • PCB mount
  • Rack mount
  • Surface mount
  • Through hole

The advantages of isolated DC-DC converters:

  • Meet international safety standards and regulations.
  • Electrical isolation provides additional safety to personnel in case of internal failure.
  • Wide range of voltage conversion with high efficiency.

Certain models are railway- and medical-approved.


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Description Price Output Voltage Input Voltage Range Output Voltage Adjustment Range Input Voltage Nominal Isolation Voltage Power Rating Output Current Mounting Type Number of Outputs Package Efficiency Medical Approved Minimum Temperature Railway Approved
RS Stock No. 500-4186
Mfr. Part No.SUCS1R52405C
BrandCosel
TWD483.00
Each
units
5V dc 18 → 36 V dc - 18 → 36 V dc 500V ac 1.5W 300mA Through Hole 1 DIP 74% - -40°C -
RS Stock No. 500-4209
Mfr. Part No.SUCS30505C
BrandCosel
TWD604.00
Each
units
5V dc 4.5 → 9 V dc - 4.5 → 9 V dc 500V ac 3W 600mA Through Hole 1 DIP 75% - -40°C -
RS Stock No. 128-555
Mfr. Part No.SUCS1R54815C
BrandCosel
TWD521.00
Each
units
15V dc 36 → 76 V dc - 48 V dc 500V ac 1.5W 100mA Through Hole 1 DIP 75% - -40°C -
RS Stock No. 138-209
Mfr. Part No.ZUS1R50512
BrandCosel
TWD710.00
Each
units
12V dc 4.5 → 9 V dc - 5 V dc 500V ac 1.56W 130mA Through Hole 1 - - - -20°C -
RS Stock No. 128-561
Mfr. Part No.SUCS1R5483R3B
BrandCosel
TWD521.00
Each
units
3.3V dc 36 → 76 V dc - 48 V dc 500V ac 1.32W 400mA Surface Mount 1 SMD 70% - -40°C -
RS Stock No. 137-644
Mfr. Part No.SUW34812C
BrandCosel
TWD597.00
Each
units
±12V dc 36 → 76 V dc - 48 V dc 500V ac 3.12W 130mA Through Hole 2 DIP - - -40°C -
RS Stock No. 128-599
Mfr. Part No.SUCS30505B
BrandCosel
TWD651.00
Each
units
5V dc 4.5 → 9 V dc - 5 V dc 500V ac 3W 600mA Surface Mount 1 SMD 75% - -40°C -
RS Stock No. 690-4431
Mfr. Part No.SUTS3053R3
BrandCosel
TWD890.00
Each
units
3.3V dc 4.5 → 9 V dc - 5 V dc 500V ac 1.98W 600mA Through Hole 1 - - - -40°C -
RS Stock No. 328-686
Mfr. Part No.CBS50242R5
BrandCosel
TWD4,056.00
Each
units
2.5V dc 18 → 36 V dc - 18 → 36 V dc 1 kV ac, 1.5 kV dc 29.25W 11.7A Through Hole 1 - 77% - -40°C -
RS Stock No. 102-878
Mfr. Part No.SUCS104815C
BrandCosel
TWD1,366.00
Each
units
15V dc 36 → 76 V dc - 48 V dc 500V ac 12W 800mA Through Hole 1 DIP 87% - -40°C -
RS Stock No. 132-7508
Mfr. Part No.STMGFS304815-N1
BrandCosel
TWD3,930.00
Each
units
15V dc 18 → 76 V dc 13.5 → 16.5V 48 V dc 500V dc 30W 2A PCB Mount 1 - 89% - -20°C -
RS Stock No. 102-591
Mfr. Part No.SUCS10053R3BP
BrandCosel
TWD1,366.00
Each
units
3.3V dc 4.5 → 9 V dc - 5 V dc 500V ac 8.58W 2.6A Surface Mount 1 SMD 81% - -40°C -
RS Stock No. 136-691
Mfr. Part No.SUS3243R3BP
BrandCosel
TWD597.00
Each
units
3.3V dc 18 → 36 V dc - 24 V dc 500V ac 1.98W 600mA Surface Mount 1 SMD 75% - -40°C -
RS Stock No. 171-4667
Mfr. Part No.MGS1R5123R3
BrandCosel
TWD362.70
1 Tube of 10
Tube(s)
3.3V dc 9 → 18 V dc - 12 V dc 1kV dc 1.32W 400mA PCB Mount 1 SIP 6 80% - -40°C -
RS Stock No. 130-637
Mfr. Part No.SUS104812C
BrandCosel
TWD1,301.00
Each
units
12V dc 36 → 76 V dc - 48 V dc 500V ac 10W 1A Through Hole 1 DIP 87% - -40°C -
RS Stock No. 138-578
Mfr. Part No.ZUW102415
BrandCosel
TWD1,912.00
Each
units
±15V dc 18 → 36 V dc - 24 V dc 500V ac 10.5W 350mA Through Hole 2 - - - -40°C -
RS Stock No. 132-7470
Mfr. Part No.SNDHS250B03
BrandCosel
TWD12,031.00
Each
units
3.3V dc 200 → 400 V dc 2.97 → 3.63V 280 V dc 3 kV ac, 500 V dc 165W 50A PCB Mount 1 - 86% - -20°C -
RS Stock No. 171-5144
Mfr. Part No.MGFW1R54815
BrandCosel
TWD454.00
Each
units
±15V dc 18 → 76 V dc - 48 V dc 1kV dc 1.5W 50mA PCB Mount 2 SIP 6 79% - -40°C -
RS Stock No. 128-606
Mfr. Part No.SUCS30505BP
BrandCosel
TWD651.00
Each
units
5V dc 4.5 → 9 V dc - 5 V dc 500V ac 3W 600mA Surface Mount 1 SMD 75% - -40°C -
RS Stock No. 690-4494
Mfr. Part No.SUTS62415
BrandCosel
TWD1,281.00
Each
units
15V dc 18 → 36 V dc - 24 V dc 500V ac 6W 400mA Through Hole 1 - - - -40°C -