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. 896-2209
Mfr. Part No.DRD15-05
BrandChinfa
$86.33
Each
units
5V dc 9 → 36 V dc - 24 V dc 13.5W 1.5kV dc 2.7A DIN Rail Mount 1 - 80% - -40°C -
RS Stock No. 183-792
Mfr. Part No.SD-15B-5
BrandMean Well
$41.98
Each
units
5V dc 18 → 36 V dc 4.75 → 5.5V 24 V dc 15W 2kV ac 3A Chassis Mount 1 - 76% - -10°C -
RS Stock No. 739-7916
Mfr. Part No.2320128
$657.94
Each
units
48V dc 18 → 32 V dc 30 → 56V 24 V dc 240W 1.5kV dc 5A DIN Rail Mount 1 - - - -25°C -
RS Stock No. 670-0636
Mfr. Part No.CD5.241
BrandPULS
$359.65
Each
units
24V dc 18 → 32.4 V dc 24 → 28V 24 V dc 120W 500V dc 5A DIN Rail Mount 1 - 90.5% - -25°C -
RS Stock No. 761-7636
Mfr. Part No.2320144
$431.42
Each
units
24V dc 30 → 60 V dc 18 → 29.5V 48 V dc 120W 1.5kV dc 5A DIN Rail Mount 1 - - - -25°C -
RS Stock No. 739-7904
Mfr. Part No.2320092
$581.10
Each
units
24V dc 18 → 32 V dc 18 → 29.5V 24 V dc 240W 1.5kV dc 10A DIN Rail Mount 1 - - - -25°C -
RS Stock No. 544-2651
Mfr. Part No.NME0505SC
$8.62
Each
units
5V dc 4.5 → 5.5 V dc - 5 V dc 1W 1kV dc 200mA Through Hole 1 SIP - - -40°C -
RS Stock No. 167-0635
Mfr. Part No.NME0505SC
$296.06
1 Tube of 35
Tube(s)
5V dc 4.5 → 5.5 V dc - 5 V dc 1W 1kV dc 200mA Through Hole 1 SIP - - -40°C -
RS Stock No. 843-1679
Mfr. Part No.TMDC 20-2412
BrandTRACOPOWER
$132.65
Each
units
12V dc 9 → 36 V dc - 24 V dc 20W 2.5kV dc 1.67A Chassis Mount 1 - 91% - -40°C -
RS Stock No. 167-2770
Mfr. Part No.IL0509S
BrandXP Power
$388.50
1 Tube of 40
Tube(s)
9V dc 4.5 → 5.5 V dc - 5 V dc 2W 1kV dc 222mA Through Hole 1 SIP 80% - -40°C -
RS Stock No. 122-6956
Mfr. Part No.IL0509S
BrandXP Power
$11.37
Each
units
9V dc 4.5 → 5.5 V dc - 5 V dc 2W 1kV dc 222mA Through Hole 1 SIP 80% - -40°C -
RS Stock No. 167-0664
Mfr. Part No.NMA0512SC
$191.84
1 Tube of 25
Tube(s)
±12V dc 4.5 → 5.5 V dc - 5 V dc 1W 1kV dc ±42mA Through Hole 2 SIP - - -40°C -
RS Stock No. 544-2522
Mfr. Part No.NMA0512SC
$13.55
Each
units
±12V dc 4.5 → 5.5 V dc - 5 V dc 1W 1kV dc ±42mA Through Hole 2 SIP - - -40°C -
RS Stock No. 183-809
Mfr. Part No.SD-15B-12
BrandMean Well
$28.40
Each
units
12V dc 18 → 36 V dc 10.8 → 13.2V 24 V dc 15W 2kV ac 1.25A Chassis Mount 1 - 76% - -10°C -
RS Stock No. 843-1676
Mfr. Part No.TMDC 20-2411
BrandTRACOPOWER
$128.10
Each
units
5V dc 9 → 36 V dc - 24 V dc 20W 2.5kV dc 4A Chassis Mount 1 - - - -40°C -
RS Stock No. 122-7363
Mfr. Part No.ISE0524A-H
BrandXP Power
$10.31
Each
units
24V dc 4.5 → 5.5 V dc - 5 V dc 1W 3kV dc 42mA Surface Mount 1 SMD 80% - -40°C -
RS Stock No. 167-2676
Mfr. Part No.ISE0524A-H
BrandXP Power
$337.70
1 Tube of 38
Tube(s)
24V dc 4.5 → 5.5 V dc - 5 V dc 1W 3kV dc 42mA Surface Mount 1 SMD 80% - -40°C -
RS Stock No. 801-9392
Mfr. Part No.TEN 3-2411WIN
BrandTRACOPOWER
$31.25
Each
units
5V dc 9 → 36 V dc - 24 V dc 3W 1.5kV dc 600mA Through Hole 1 DIP 24 79% - -40°C -
RS Stock No. 124-7708
Mfr. Part No.TEN 3-2411WIN
BrandTRACOPOWER
$196.67
1 Tube of 10
Tube(s)
5V dc 9 → 36 V dc - 24 V dc 3W 1.5kV dc 600mA Through Hole 1 DIP 24 79% - -40°C -
RS Stock No. 896-2206
Mfr. Part No.DRD15-24
BrandChinfa
$82.41
Each
units
24V dc 9 → 36 V dc - 24 V dc 15W 1.5kV dc 630mA DIN Rail Mount 1 - 83% - -40°C -