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. 122-7231
Mfr. Part No.IEQ0512D12
BrandXP Power
TWD765.00
Each
units
±12V dc 4.5 → 18 V dc - 12 V dc 5W 1.5kV dc ±209mA Through Hole 2 SIP 81% - -40°C -
RS Stock No. 166-9041
Mfr. Part No.RP40-240515TG
BrandRecom
TWD11,438.00
1 Tube of 4
Tube(s)
±15 V dc, 5 V dc 18 → 36 V dc - 24 V dc 40W 1.6kV dc ±300 mA, 6 A Through Hole 3 - - - -40°C -
RS Stock No. 781-3490
Mfr. Part No.TEN 40-2423
BrandTRACOPOWER
TWD2,927.00
Each
units
±15V dc 18 → 36 V dc - 24 V dc 40W 1.5kV dc 1.8A Through Hole 2 - 90% - -40°C -
RS Stock No. 161-6505
Mfr. Part No.TEN 3-2423N
BrandTRACOPOWER
TWD4,558.00
1 Tube of 10
Tube(s)
±15V dc 18 → 36 V dc - 24 V dc 3W 1.5kV dc ±100mA Through Hole 1 DIP 24 84% - -40°C -
RS Stock No. 162-2758
Mfr. Part No.RS-2415D
BrandRecom
TWD11,129.00
1 Tube of 22
Tube(s)
±15V dc 18 → 36 V dc - 24 V dc 2W 500V ac ±67mA Through Hole 2 SIP 83% - -40°C -
RS Stock No. 510-5431
Mfr. Part No.TSM 0505S
BrandTRACOPOWER
TWD253.00
Each
units
5V dc 4.5 → 5.5 V dc - 5 V dc 1W 1kV dc 200mA Surface Mount 1 SOIC 14/18 80% - -40°C -
RS Stock No. 770-2255
Mfr. Part No.TEN 40-7215WIR
BrandTRACOPOWER
TWD3,437.00
Each
units
24V dc 43 → 160 V dc - 72 V dc 40W 1.6kV dc 1.67A Through Hole 1 1 x 2 in - No -40°C Yes
RS Stock No. 161-6597
Mfr. Part No.TSM 1205S
BrandTRACOPOWER
TWD2,751.00
1 Tube of 10
Tube(s)
5V dc 10.8 → 13.2 V dc - 12 V dc 1W 1kV dc 200mA Surface Mount 1 SOIC 14 81% - -40°C -
RS Stock No. 721-2446
Mfr. Part No.RSD-100B-24
BrandMean Well
TWD2,141.00
Each
units
24V dc 14.4 → 33.6 V dc - 24 V dc 100.8W 4kV dc 4.2A Chassis Mount 1 - - No -40°C Yes
RS Stock No. 167-0872
Mfr. Part No.NML1205SC
TWD14,539.00
1 Tube of 35
Tube(s)
5V dc 10.8 → 13.2 V dc - 12 V dc 2W 1kV dc 400mA Through Hole 1 SIP - - -40°C -
RS Stock No. 162-2781
Mfr. Part No.REC30-2415D
BrandRecom
TWD19,253.00
1 Tube of 11
Tube(s)
±15V dc 18 → 36 V dc ±14.25 V dc, ±15.75 V dc 24 V dc 30W 1.6kV dc ±1A Through Hole 2 - 89% - -40°C -
RS Stock No. 124-7603
Mfr. Part No.TEN 3-2423
BrandTRACOPOWER
TWD5,546.00
1 Tube of 10
Tube(s)
±15V dc 18 → 36 V dc - 24 V dc 3W 1.5kV dc 100mA Through Hole 2 DIP 24 82% - -40°C -
RS Stock No. 167-6207
Mfr. Part No.NXE1S0505MC-R7
TWD15,070.00
1 Reel of 180
Reel(s)
5V dc 4.5 → 5.5 V dc - 5 V dc 1W 3kV dc 200mA Surface Mount 1 SMA 66% - -40°C -
RS Stock No. 123-4639
Mfr. Part No.MGJ1D241505MPC-R7
TWD214.00
Each
units
±15V dc 21.6 → 26.4 V dc - 24 V dc 1W 5.2kV dc 50mA Surface Mount 2 - - - -40°C -
RS Stock No. 122-6055
Mfr. Part No.ITV0505SA
BrandXP Power
TWD150.00
Each
units
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. 438-367
Mfr. Part No.TEN 20-2410WIN
BrandTRACOPOWER
TWD1,769.00
Each
units
3.3V dc 9 → 36 V dc - 24 V dc 20W 1.5kV dc 5.5A Through Hole 1 2 x 1 in 85% - -40°C -
RS Stock No. 438-442
Mfr. Part No.THD 12-2423WI
BrandTRACOPOWER
TWD1,380.00
Each
units
±15V dc 9 → 36 V dc - 24 V dc 12W 1.5kV dc ±400mA Through Hole 2 DIP 24 85% - -40°C -
RS Stock No. 124-7568
Mfr. Part No.TEN 15-2411WI
BrandTRACOPOWER
TWD15,647.00
1 Tube of 10
Tube(s)
5V dc 9 → 36 V dc - 24 V dc 15W 1.5kV dc 2.95A Through Hole 1 - - - -40°C -
RS Stock No. 167-2193
Mfr. Part No.ITX0505S
BrandXP Power
TWD14,386.00
1 Tube of 20
Tube(s)
±5V dc 4.5 → 9 V dc - 5 V dc 6W 1.5kV dc ±600mA Through Hole 2 SIP 8 81% - -40°C -
RS Stock No. 167-2468
Mfr. Part No.IEQ0512S12
BrandXP Power
TWD6,659.00
1 Tube of 10
Tube(s)
12V dc 4.5 → 18 V dc - 12 V dc 5W 1.5kV dc 417mA Through Hole 1 SIP 83% - -40°C -