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. 165-9131
Mfr. Part No.MAX845ESA+
SGD6.618
Each (In a Tube of 100)
units
4V dc 0.3 → 7 V dc - 5 V dc - 0.75W 1A Surface Mount 2 SOIC - - -40°C -
RS Stock No. 721-2468
Mfr. Part No.RSD-100D-24
BrandMean Well
SGD220.50
Each
units
24V dc 57.6 → 154 V dc - 110 V dc 4kV dc 100.8W 4.2A Chassis Mount 1 - - No -40°C Yes
RS Stock No. 166-5801
Mfr. Part No.TDR 3-1211SM
BrandTRACOPOWER
SGD43.476
Each (In a Tube of 10)
units
5V dc 9 → 18 V dc - 12 V dc 1.5kV dc 3W 600mA Surface Mount 1 SOIC 14 81% - -40°C -
RS Stock No. 823-4633
Mfr. Part No.AEE03A18-LS
SGD54.54
Each
units
5V dc 9 → 36 V dc - 24 V dc 1.5kV dc 15W 3A Through Hole 1 1 x 2 in 84% - -40°C -
RS Stock No. 167-2796
Mfr. Part No.JCE0624D15
BrandXP Power
SGD26.449
Each (In a Tube of 10)
units
±15V dc 18 → 36 V dc ±14.7 V dc, ±15.3 V dc 24 V dc 1.5kV dc 6W ±200mA Through Hole 2 DIP 24 84% - -40°C -
RS Stock No. 123-4609
Mfr. Part No.CRE1S2405SC
SGD6.41
Each
units
5V dc 21.6 → 26.4 V dc - 24 V dc 1kV dc 1W 200mA Through Hole 1 SIP 4 71% - 0°C -
RS Stock No. 122-6055
Mfr. Part No.ITV0505SA
BrandXP Power
SGD7.53
Each
units
5V dc 4.5 → 5.5 V dc - 5 V dc 3kV dc 1W 200mA Through Hole 1 SIP 80% - -40°C -
RS Stock No. 166-5508
Mfr. Part No.TEN 25-4811
BrandTRACOPOWER
SGD77.31
Each (In a Tube of 5)
units
5V dc 36 → 75 V dc - 48 V dc 1.5kV dc 25 W, 30 W 5A Through Hole 1 1.6 x 2 in 85% - -40°C -
RS Stock No. 161-8959
Mfr. Part No.JCD0424D15
BrandXP Power
SGD23.687
Each (In a Tube of 10)
units
±15V dc 18 → 36 V dc ±14.85 V dc, ±15.15 V dc 24 V dc 1.6kV dc 4W ±133mA Through Hole 2 DIP 24 - - -40°C -
RS Stock No. 162-2664
Mfr. Part No.RS3-2405D
BrandRecom
SGD23.677
Each (In a Tube of 22)
units
±5V dc 18 → 36 V dc - 24 V dc 500V ac 3W ±125mA Through Hole 2 SIP - - -40°C -
RS Stock No. 129-542
Mfr. Part No.SUCW101212BP
BrandCosel
SGD47.89
Each
units
±12V dc 9 → 18 V dc - 12 V dc 500V ac 10W 450mA Surface Mount 2 SMD 86% - -40°C -
RS Stock No. 166-5590
Mfr. Part No.TEN 10-2423
BrandTRACOPOWER
SGD62.893
Each (In a Tube of 10)
units
±15V dc 18 → 36 V dc - 24 V dc 1.5kV dc 10W ±330mA Through Hole 2 2 x 1 in 82% - -40°C -
RS Stock No. 161-6485
Mfr. Part No.TEL 8-4811
BrandTRACOPOWER
SGD25.176
Each (In a Tube of 10)
units
5V dc 36 → 75 V dc - 48 V dc 1.5kV dc 8W 1.6A Through Hole 1 DIP 16 81% - -40°C -
RS Stock No. 167-0883
Mfr. Part No.NTE0505MC
SGD11.341
Each (In a Tube of 35)
units
5V dc 4.5 → 5.5 V dc - 5 V dc 1kV dc 1W 200mA Surface Mount 1 MiniSMD - - -40°C -
RS Stock No. 689-5472
Mfr. Part No.NTE0505MC
SGD12.41
Each
units
5V dc 4.5 → 5.5 V dc - 5 V dc 1kV dc 1W 200mA Surface Mount 1 MiniSMD - - -40°C -
RS Stock No. 122-7195
Mfr. Part No.JTL3024S05
BrandXP Power
SGD83.56
Each
units
5V dc 9 → 36 V dc - 24 V dc 1.6kV dc 30W 6A Through Hole 1 2 x 1 in - - -40°C -
RS Stock No. 876-2686
Mfr. Part No.PSD-30B-05
BrandMean Well
SGD31.33
Each
units
5V dc 18 → 36 V dc - 24 V dc 1.5kV ac 25W 5A Chassis Mount 1 - 79% - -20°C -
RS Stock No. 706-5304
Mfr. Part No.TDR 2-1223WISM
BrandTRACOPOWER
SGD42.81
Each
units
±15V dc 4.5 → 18 V dc - 12 V dc 1.5kV dc 2W ±67mA Surface Mount 2 SOIC 14 82% - -40°C -
RS Stock No. 167-2821
Mfr. Part No.JTK3048D12
BrandXP Power
SGD74.63
Each (In a Tube of 10)
units
±12V dc 18 → 75 V dc ±10.8 V dc, ±13.2 V dc 48 V dc 1.6kV dc 30W ±1.25A Through Hole 2 1 x 1 in - - -40°C -
RS Stock No. 183-679
Mfr. Part No.SD-100B-24
BrandMean Well
SGD70.29
Each
units
24V dc 19 → 36 V dc 23 → 30V 24 V dc 1.5kV ac 100W 4.2A Chassis Mount 1 - 78% - -10°C -
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