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 Input Voltage Nominal Isolation Voltage Power Rating Output Current Mounting Type Medical Approved Number of Outputs Package Railway Approved Efficiency Minimum Temperature Maximum Temperature
RS Stock No. 156-3877
Mfr. Part No.TEM 2-1211
BrandTRACOPOWER
TWD802
Each
units
5V dc 10.8 → 13.2 V dc 12 V dc 1000V dc 2W 400mA Through Hole - 1 DIP 24 - 50% -25°C +60°C
RS Stock No. 161-6492
Mfr. Part No.TEM 2-1211
BrandTRACOPOWER
TWD460
Each (In a Tube of 10)
units
5V dc 10.8 → 13.2 V dc 12 V dc 1kV dc 2W 400mA Through Hole - 1 DIP 24 - 50% -25°C +60°C
RS Stock No. 905-2700
Mfr. Part No.RK-1215S/H6
BrandRecom
TWD317
Each
units
15V dc - 12 V dc 4kV 1W 66mA Through Hole - 1 - - 82% -40°C +90°C
New
RS Stock No. 166-6599
Mfr. Part No.RK-1215S/H6
BrandRecom
TWD315
Each (In a Tube of 25)
units
15V dc - 12 V dc 4kV 1W 66mA Through Hole - 1 - - 82% -40°C +90°C
RS Stock No. 441-4100
Mfr. Part No.TEN 25-4811
BrandTRACOPOWER
TWD3,083
Each
units
5V dc 36 → 75 V dc 48 V dc 1500V dc 25 W, 30 W 5A Through Hole - 1 1.6 x 2 in - 85% -40°C +85°C
New
RS Stock No. 166-5508
Mfr. Part No.TEN 25-4811
BrandTRACOPOWER
TWD2,068
Each (In a Tube of 5)
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 +85°C
RS Stock No. 524-8083
Mfr. Part No.CC1R5-2405SF-E
BrandTDK-Lambda
TWD386
Each
units
5V dc - - 500V ac 1.5W 300mA Through Hole - 1 PDIP - - -40°C +85°C
New
RS Stock No. 167-0670
Mfr. Part No.NMA1205DC
TWD269
Each (In a Tube of 25)
units
±5V dc 10.8 → 13.2 V dc 12 V dc 1kV 1W ±100mA Through Hole - 2 PDIP - 69% -40°C +85°C
RS Stock No. 544-2588
Mfr. Part No.NMA1205DC
TWD144
Each
units
±5V dc 10.8 → 13.2 V dc 12 V dc 1000V 1W ±100mA Through Hole - 2 PDIP - 69% -40°C +85°C
RS Stock No. 831-7167
Mfr. Part No.REC5-1209SRW/H4/A
BrandRecom
TWD785
Each (In a Pack of 15)
units
9V dc 9 → 18 V dc 12 V dc 4000V 5W 556mA Through Hole - 1 DIP - 82 → 83% -40°C +75°C
RS Stock No. 396-5152
Mfr. Part No.TEL 3-1212
BrandTRACOPOWER
TWD443
Each
units
12V dc 9 → 18 V dc 12 V dc 1500V dc 3W 250mA Through Hole - 1 DIP 24 - 80% -40°C +85°C
RS Stock No. 544-2538
Mfr. Part No.NMA0515SC
TWD415
Each
units
±15V dc 4.5 → 5.5 V dc 5 V dc 1000V 1W ±33mA Through Hole - 2 SIP - 78% -40°C +85°C
New
RS Stock No. 167-0665
Mfr. Part No.NMA0515SC
TWD269
Each (In a Tube of 25)
units
±15V dc 4.5 → 5.5 V dc 5 V dc 1kV 1W ±33mA Through Hole - 2 SIP - 78% -40°C +85°C
RS Stock No. 161-6475
Mfr. Part No.TEL 3-1212
BrandTRACOPOWER
TWD414
Each (In a Tube of 10)
units
12V dc 9 → 18 V dc 12 V dc 1.5kV dc 3W 250mA Through Hole - 1 DIP 24 - 80% -40°C +85°C
RS Stock No. 124-7621
Mfr. Part No.TEL 3-2423
BrandTRACOPOWER
TWD470
Each (In a Tube of 10)
units
15V dc 18 → 36 V dc 24 V dc 1500V dc 3W 100mA Through Hole - 2 DIP 24 - 81% -40°C +85°C
RS Stock No. 124-0960
Mfr. Part No.IML0212S05
BrandXP Power
TWD327
Each
units
5V dc 10.8 → 13.2 V dc 12 V dc 4000 (Minimum)V ac 2W 400mA Through Hole - 1 SIP 7 - 80% -40°C +85°C
RS Stock No. 396-5225
Mfr. Part No.TEL 3-2423
BrandTRACOPOWER
TWD827
Each
units
±15V dc 18 → 36 V dc 24 V dc 1500V dc 3W ±100mA Through Hole - 2 DIP 24 - 81% -40°C +85°C
RS Stock No. 122-7359
Mfr. Part No.ISE0512A-H
BrandXP Power
TWD225
Each
units
12V dc 4.5 → 5.5 V dc 5 V dc 3000V dc 1W 84mA Surface Mount - 1 SMD - 80% -40°C +105°C
New
RS Stock No. 173-6899
Mfr. Part No.BWR-15/330-D48A-C
TWD3,741
Each (In a Tube of 16)
units
±15V dc 18 → 75 V dc 48 V dc 1500 (Minimum)V dc 10W ±330mA Through Hole Yes 2 - Yes 82.5% -40°C +100°C
RS Stock No. 161-8931
Mfr. Part No.JCB0312D09
BrandXP Power
TWD425
Each (In a Tube of 10)
units
±9V dc 9 → 18 V dc 12 V dc 1.5kV dc 3W ±167mA Through Hole - 2 DIP 24 - 78% -40°C +100°C