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 Isolation Voltage Power Rating Output Current Mounting Type Number of Outputs Package Efficiency Medical Approved Minimum Temperature Railway Approved
RS Stock No. 544-2780
Mfr. Part No.NMA2412SC
SGD9.38
Each
units
±12V dc 21.6 → 26.4 V dc - 24 V dc 1kV dc 1W ±42mA Through Hole 2 SIP - - 0°C -
RS Stock No. 166-5801
Mfr. Part No.TDR 3-1211SM
BrandTRACOPOWER
SGD43.476
Each (In a Tube of 10)
units
5V dc 9 → 18 V dc - 12 V dc 1.5kV dc 3W 600mA Surface Mount 1 SOIC 14 81% - -40°C -
RS Stock No. 441-4100
Mfr. Part No.TEN 25-4811
BrandTRACOPOWER
SGD94.59
Each
units
5V dc 36 → 75 V dc - 48 V dc 1.5kV dc 25 W, 30 W 5A Through Hole 1 1.6 x 2 in 85% - -40°C -
RS Stock No. 122-4533
Mfr. Part No.RCQ50110S24
BrandXP Power
SGD158.31
Each
units
24V dc 66 → 160 V dc - 110 V dc 3kV ac 50W 2.08A Through Hole 1 Quarter Brick - No -40°C Yes
RS Stock No. 167-0714
Mfr. Part No.NMA2412SC
SGD10.972
Each (In a Tube of 25)
units
±12V dc 21.6 → 26.4 V dc - 24 V dc 1kV dc 1W ±42mA Through Hole 2 SIP - - 0°C -
RS Stock No. 622-8254
Mfr. Part No.MAX845ESA+
BrandMaxim
SGD6.01
Each
units
- - - - - - - Surface Mount - - - - - -
RS Stock No. 166-5718
Mfr. Part No.TMR 3-1211E
BrandTRACOPOWER
SGD19.216
Each (In a Tube of 10)
units
5V dc 9 → 18 V dc - 12 V dc 1.5kV dc 3W 600mA Through Hole 1 SIP 8 78% - -40°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 1.5kV dc 3W 600mA Surface Mount 1 SOIC 14 81% - -40°C -
RS Stock No. 123-4609
Mfr. Part No.CRE1S2405SC
SGD6.41
Each
units
5V dc 21.6 → 26.4 V dc - 24 V dc 1kV dc 1W 200mA Through Hole 1 SIP 4 71% - 0°C -
RS Stock No. 833-7877
Mfr. Part No.DFC10U24D15
SGD142.18
Each
units
±15V dc 9 → 36 V dc - 9 → 36 V dc 700V dc 10W ±320mA Through Hole 2 - 78% - -40°C -
RS Stock No. 161-6480
Mfr. Part No.THD 15-2411N
BrandTRACOPOWER
SGD47.369
Each (In a Tube of 10)
units
5V dc 18 → 36 V dc - 24 V dc 1.5kV dc 15W 3A Through Hole 1 DIP 24 - - -40°C -
RS Stock No. 167-0692
Mfr. Part No.NDY2405C
SGD20.567
Each (In a Tube of 15)
units
5V dc 18 → 36 V dc - 24 V dc 1kV dc 3W 600mA Through Hole 1 DIP - - -40°C -
RS Stock No. 177-6871
Mfr. Part No.MAX845ESA+T
BrandMaxim
SGD8.963
Each (On a Reel of 2500)
units
4V dc 0.3 → 7 V dc - 5 V dc - 0.75W 1A Surface Mount 2 SOIC - - -40°C -
RS Stock No. 165-9131
Mfr. Part No.MAX845ESA+
BrandMaxim
SGD6.618
Each (In a Tube of 100)
units
4V dc 0.3 → 7 V dc - 5 V dc - 0.75W 1A Surface Mount 2 SOIC - - -40°C -
RS Stock No. 761-3802
Mfr. Part No.MAX845ESA+T
BrandMaxim
SGD5.74
Each
units
4V dc 0.3 → 7 V dc - 5 V dc - 0.75W 1A Surface Mount 2 SOIC - - -40°C -
RS Stock No. 689-4927
Mfr. Part No.NDY2405C
SGD25.03
Each
units
5V dc 18 → 36 V dc - 24 V dc 1kV dc 3W 600mA Through Hole 1 DIP - - -40°C -
RS Stock No. 823-4633
Mfr. Part No.AEE03A18-LS
SGD54.54
Each
units
5V dc 9 → 36 V dc - 24 V dc 1.5kV dc 15W 3A Through Hole 1 1 x 2 in 84% - -40°C -
RS Stock No. 670-0630
Mfr. Part No.CD5.242
BrandPULS
SGD345.86
Each
units
24V dc 36 → 60 V dc 24 → 28V 48 V dc 500V dc 120W 5A DIN Rail Mount 1 - 90.3% - -25°C -
RS Stock No. 166-6591
Mfr. Part No.RH-0515D/H6
BrandRecom
SGD12.685
Each (In a Tube of 25)
units
±15V dc ±4.5 V dc, ±5.5 V dc ±14.25 V dc, ±15.75 V dc ±5 V dc 4kV dc 1W ±33mA Through Hole 2 SIP 7 78 → 80% - -40°C -
RS Stock No. 464-3544
Mfr. Part No.ZUW30515
BrandCosel
SGD32.07
Each
units
±15V dc 4.5 → 9 V dc - 4.5 → 9 V dc 500V ac 3W 100mA Through Hole 2 - - - -20°C -
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