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. 122-7250
Mfr. Part No.IMM0205D05
BrandXP Power
$26.00
Each
units
±5V dc 4.5 → 9 V dc - 5 V dc 2W 1.5kV ac ±200mA Through Hole 2 SIP 8 - Yes -20°C No
RS Stock No. 122-6037
Mfr. Part No.ITQ4805S
BrandXP Power
$43.60
Each
units
±5V dc 18 → 75 V dc - 48 V dc 6W 1.5kV dc ±600mA Through Hole 2 SIP 8 - - -40°C -
RS Stock No. 137-3044
Mfr. Part No.TRN 1-0522
BrandTRACOPOWER
$19.20
Each
units
±12V dc 4.5 → 13.2 V dc - 9 V dc 1W 1.6kV dc ±45mA Through Hole 2 SIP 83% - -40°C -
RS Stock No. 166-5474
Mfr. Part No.TEN 8-2413WI
BrandTRACOPOWER
$523.61
1 Tube of 10
Tube(s)
15V dc 9 → 36 V dc - 24 V dc 8W 1.5kV dc 533mA Through Hole 1 DIP 24 86% No -40°C Yes
RS Stock No. 162-2710
Mfr. Part No.R12P21509D
BrandRecom
$480.50
1 Tube of 25
Tube(s)
-9 V dc, 15 V dc 10.8 → 13.2 V dc - 12 V dc 2W 6.4kV dc -111 mA, 67 mA Through Hole 2 SIP 7 70 → 82% - -40°C -
RS Stock No. 166-6460
Mfr. Part No.TMV 2412DHI
BrandTRACOPOWER
$146.90
1 Tube of 10
Tube(s)
±12V dc 21.6 → 26.4 V dc - 24 V dc 1W 5.2kV dc ±42mA Through Hole 2 SIP 7 77% - -40°C -
RS Stock No. 167-6188
Mfr. Part No.MEU1S0303ZC
$510.11
1 Tube of 60
Tube(s)
3.3V dc 2.97 → 3.63 V dc - 3.3 V dc 1W 1kV dc 300mA Through Hole 1 ZIF 76% - -40°C -
RS Stock No. 111-6176
Mfr. Part No.ATA00A36-L
$25.46
Each
units
5V dc 18 → 75 V dc - 48 V dc 3W 1.5kV dc 600mA Through Hole 1 DIP 78% - -40°C -
RS Stock No. 162-1907
Mfr. Part No.AYA01C05-L
$276.47
1 Tube of 10
Tube(s)
15V dc 4.5 → 10 V dc - 5 V dc 3W 1.5kV dc 200mA Through Hole 1 DIP 85% - -40°C -
RS Stock No. 132-5427
Mfr. Part No.DHS50A24
BrandCosel
$194.67
Each
units
24V dc 60 → 160 V dc 21.6 → 26.4V 110 V dc 50.4W 3 kV ac, 500 V dc 2.1A PCB Mount 1 - 86% - -40°C -
RS Stock No. 438-111
Mfr. Part No.TMR 3-0511
BrandTRACOPOWER
$31.23
Each
units
5V dc 4.5 → 9 V dc - 5 V dc 3W 1.5kV dc 600mA Through Hole 1 SIP 8 79% - -40°C -
RS Stock No. 124-0973
Mfr. Part No.IML0215S15
BrandXP Power
$14.91
Each
units
15V dc 13.5 → 16.5 V dc - 15 V dc 2W 4kV ac 133mA Through Hole 1 SIP 7 - Yes -40°C -
RS Stock No. 139-2800
Mfr. Part No.ROE-1505S
BrandRecom
$205.38
1 Tube of 42
Tube(s)
5V dc 13.5 → 16.5 V dc - 15 V dc 1W 1kV dc 200mA Through Hole 1 SIP 4 79% - -40°C -
RS Stock No. 166-5429
Mfr. Part No.TEN 3-2413
BrandTRACOPOWER
$265.33
1 Tube of 10
Tube(s)
15V dc 18 → 36 V dc - 24 V dc 3W 1.5kV dc 200mA Through Hole 1 DIP 24 84% - -40°C -
RS Stock No. 122-7300
Mfr. Part No.ISA2415
BrandXP Power
$8.26
Each
units
±15V dc 21.6 → 26.4 V dc - 24 V dc 1W 1.5kV dc ±33mA Surface Mount 2 SMD 82% - -40°C -
RS Stock No. 122-7229
Mfr. Part No.IEQ0512S15
BrandXP Power
$38.63
Each
units
15V dc 4.5 → 18 V dc - 12 V dc 5W 1.5kV dc 334mA Through Hole 1 SIP 83% - -40°C -
RS Stock No. 187-4218
Mfr. Part No.TBA 2-2423
BrandTRACOPOWER
$7.16
Each
units
±15V dc 21.6 → 26.4 V dc - 24 V dc 2W 1.5kV dc ±65mA Through Hole 2 SIP 84% - -40°C -
RS Stock No. 781-6947
Mfr. Part No.TEP 75-7211WI
BrandTRACOPOWER
$326.84
Each
units
5V dc 43 → 160 V dc - 72 V dc 75W 2.25kV dc 15A Through Hole 1 - - No -40°C Yes
RS Stock No. 132-7398
Mfr. Part No.DHS250B24
BrandCosel
$312.12
Each
units
24V dc 200 → 400 V dc 14.4 → 26.4V 280 V dc 252W 3 kV ac, 500 V dc 10.5A PCB Mount 1 - 88% - -40°C -
RS Stock No. 167-2099
Mfr. Part No.ITB0512S
BrandXP Power
$133.80
1 Tube of 20
Tube(s)
12V dc 4.5 → 5.5 V dc - 5 V dc 1W 1.5kV dc 83.3mA Through Hole 1 SIP 81% - -40°C -
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