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 Power Rating Isolation Voltage Output Current Mounting Type Number of Outputs Package Efficiency Medical Approved Minimum Temperature Railway Approved
RS Stock No. 161-6480
Mfr. Part No.THD 15-2411N
BrandTRACOPOWER
SGD568.48
1 Tube of 10
Tube(s)
5V dc 18 → 36 V dc - 24 V dc 15W 1.5kV dc 3A Through Hole 1 DIP 24 - - -40°C -
RS Stock No. 721-2468
Mfr. Part No.RSD-100D-24
BrandMean Well
SGD99.58
Each
units
24V dc 57.6 → 154 V dc - 110 V dc 100.8W 4kV dc 4.2A Chassis Mount 1 - - No -40°C Yes
RS Stock No. 161-9097
Mfr. Part No.ITV0505SA
BrandXP Power
SGD136.81
1 Tube of 20
Tube(s)
5V dc 4.5 → 5.5 V dc - 5 V dc 1W 3kV dc 200mA Through Hole 1 SIP 80% - -40°C -
RS Stock No. 706-5701
Mfr. Part No.THD 15-2411N
BrandTRACOPOWER
SGD61.81
Each
units
5V dc 18 → 36 V dc - 24 V dc 15W 1.5kV dc 3A Through Hole 1 DIP 24 - - -40°C -
RS Stock No. 122-4533
Mfr. Part No.RCQ50110S24
BrandXP Power
SGD152.69
Each
units
24V dc 66 → 160 V dc - 110 V dc 50W 3kV ac 2.08A Through Hole 1 Quarter Brick - No -40°C Yes
RS Stock No. 441-4100
Mfr. Part No.TEN 25-4811
BrandTRACOPOWER
SGD104.44
Each
units
5V dc 36 → 75 V dc - 48 V dc 25 W, 30 W 1.5kV dc 5A Through Hole 1 1.6 x 2 in 85% - -40°C -
RS Stock No. 167-0714
Mfr. Part No.NMA2412SC
SGD312.87
1 Tube of 25
Tube(s)
±12V dc 21.6 → 26.4 V dc - 24 V dc 1W 1kV dc ±42mA Through Hole 2 SIP - - 0°C -
RS Stock No. 706-5338
Mfr. Part No.TDR 3-1211SM
BrandTRACOPOWER
SGD51.18
Each
units
5V dc 9 → 18 V dc - 12 V dc 3W 1.5kV dc 600mA Surface Mount 1 SOIC 14 81% - -40°C -
RS Stock No. 166-6018
Mfr. Part No.TEN 50-4811
BrandTRACOPOWER
SGD1,143.61
1 Tube of 10
Tube(s)
5V dc 36 → 75 V dc - 48 V dc 50W 1.5kV dc 10A Through Hole 1 - 92% - -40°C -
RS Stock No. 122-6987
Mfr. Part No.IM4815SA
BrandXP Power
SGD21.60
Each
units
15V dc 18 → 75 V dc - 48 V dc 2W 1.5kV dc 135mA Through Hole 1 SIP 84% - -40°C -
RS Stock No. 167-2434
Mfr. Part No.JTF1224S12
BrandXP Power
SGD458.40
1 Tube of 10
Tube(s)
12V dc 9 → 36 V dc - 24 V dc 12W 1.6kV dc 1A Through Hole 1 DIP 24 - - -40°C -
RS Stock No. 161-6485
Mfr. Part No.TEL 8-4811
BrandTRACOPOWER
SGD306.15
1 Tube of 10
Tube(s)
5V dc 36 → 75 V dc - 48 V dc 8W 1.5kV dc 1.6A Through Hole 1 DIP 16 81% - -40°C -
RS Stock No. 739-7913
Mfr. Part No.2320115
SGD388.14
Each
units
12V dc 18 → 32 V dc 5 → 18V 24 V dc 96W 1.5kV dc 8A DIN Rail Mount 1 - - - -25°C -
RS Stock No. 123-1206
Mfr. Part No.JSM2512S05
BrandXP Power
SGD67.11
Each
units
5V dc 9 → 18 V dc - 12 V dc 25W 1.5kV dc 5A Through Hole 1 1 x 1 in - - -40°C -
RS Stock No. 122-7195
Mfr. Part No.JTL3024S05
BrandXP Power
SGD84.28
Each
units
5V dc 9 → 36 V dc - 24 V dc 30W 1.6kV dc 6A Through Hole 1 2 x 1 in - - -40°C -
RS Stock No. 167-2471
Mfr. Part No.JTL3024S05
BrandXP Power
SGD793.92
1 Tube of 10
Tube(s)
5V dc 9 → 36 V dc - 24 V dc 30W 1.6kV dc 6A Through Hole 1 2 x 1 in - - -40°C -
RS Stock No. 161-6447
Mfr. Part No.TEL 3-2023
BrandTRACOPOWER
SGD330.17
1 Tube of 10
Tube(s)
±15V dc 10 → 30 V dc - 20 V dc 3W 1.5kV dc ±100mA Through Hole 2 DIP 24 80% - -40°C -
RS Stock No. 167-0883
Mfr. Part No.NTE0505MC
SGD385.88
1 Tube of 35
Tube(s)
5V dc 4.5 → 5.5 V dc - 5 V dc 1W 1kV dc 200mA Surface Mount 1 MiniSMD - - -40°C -
RS Stock No. 166-6591
Mfr. Part No.RH-0515D/H6
BrandRecom
SGD311.57
1 Tube of 25
Tube(s)
±15V dc ±4.5 V dc, ±5.5 V dc ±14.25 V dc, ±15.75 V dc ±5 V dc 1W 4kV dc ±33mA Through Hole 2 SIP 7 78 → 80% - -40°C -
RS Stock No. 163-984
Mfr. Part No.RS3-2405D
BrandRecom
SGD23.89
Each
units
±5V dc 18 → 36 V dc - 24 V dc 3W 500V ac ±125mA Through Hole 2 SIP - - -40°C -
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