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. 167-6139
Mfr. Part No.NCM6S0515EC
TWD12,770.00
1 Tube of 15
Tube(s)
15V dc 4.5 → 9 V dc - 5 V dc 6W 5.2kV dc 400mA Through Hole 1 - 82% - -40°C -
RS Stock No. 167-2782
Mfr. Part No.IEQ0512D12
BrandXP Power
TWD27,547.00
1 Tube of 40
Tube(s)
±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. 239-0018
Mfr. Part No.TEN 3-0522
BrandTRACOPOWER
TWD597.00
Each
units
±12V dc 4.5 → 9 V dc - 5 V dc 3W 1.5kV dc ±125mA Through Hole 2 DIP 24 75% - -40°C -
RS Stock No. 167-6082
Mfr. Part No.MEA1D0505DC
TWD4,425.00
1 Tube of 25
Tube(s)
±5V dc 4.5 → 5.5 V dc - 5 V dc 1W 1kV dc ±100mA Through Hole 2 DIP 85% - -40°C -
RS Stock No. 166-5403
Mfr. Part No.TEN 3-0522
BrandTRACOPOWER
TWD5,546.00
1 Tube of 10
Tube(s)
±12V dc 4.5 → 9 V dc - 5 V dc 3W 1.5kV dc ±125mA Through Hole 2 DIP 24 75% - -40°C -
RS Stock No. 510-5469
Mfr. Part No.TSM 1205S
BrandTRACOPOWER
TWD306.00
Each
units
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. 494-3917
Mfr. Part No.RS-2415D
BrandRecom
TWD527.00
Each
units
±15V dc 18 → 36 V dc - 24 V dc 2W 500V ac ±67mA Through Hole 2 SIP 83% - -40°C -
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. 162-2758
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. 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. 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. 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. 167-2920
Mfr. Part No.JCD0512D09
BrandXP Power
TWD6,487.00
1 Tube of 10
Tube(s)
±9V dc 9 → 18 V dc ±8.91 V dc, ±9.09 V dc 12 V dc 5W 1.6kV dc ±278mA Through Hole 2 DIP 24 - - -40°C -
RS Stock No. 124-7638
Mfr. Part No.TSM 0505S
BrandTRACOPOWER
TWD2,472.00
1 Tube of 10
Tube(s)
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. 122-7243
Mfr. Part No.IEQ0548S05
BrandXP Power
TWD708.00
Each
units
5V dc 18 → 75 V dc - 48 V dc 5W 1.5kV dc 1A Through Hole 1 SIP 80% - -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. 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. 183-859
Mfr. Part No.SD-25C-24
BrandMean Well
TWD731.00
Each
units
24V dc 36 → 72 V dc 4.75 → 5.5V 48 V dc 25W 1.5kV ac 1.1A Chassis Mount 1 - 81% - -10°C -
RS Stock No. 672-8319
Mfr. Part No.RP30-2415DE
BrandRecom
TWD2,510.00
Each
units
±15V dc 18 → 36 V dc - 24 V dc 30W 1.6kV dc ±1A Through Hole 2 - - - -40°C -
RS Stock No. 122-6248
Mfr. Part No.JHM1524S15
BrandXP Power
TWD1,697.00
Each
units
15V dc 18 → 36 V dc - 24 V dc 15W 4kV ac 1A Through Hole 1 1 x 1.6 in - Yes -40°C No