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DC-DC Converters

At Daburn Electronics & Cable, we offer an impressive variety of DC-DC converters through our Polytron Devices division.  Our comprehensive inventory spans a range from half a Watt to 200 Watts, with a wide variety of output types and packaging options.  With dozens of options available for a range of applications, our DC-DC converters are available with single, dual, or triple output, as well as wide and ultra-wide input ranges. They are useful in many different industries, including rail transportation and the medical field.  We also offer custom designs to meet your application.  Please call for a quote or a custom design today.

DC-DC Converter

Seven different power-range classifications

With a large range of designs available, we classify our DC-DC converters into seven different groups based on their power usage:  Please click a link below to see a full listing of our standard DC-DC converter power supplies.

  • 0.5 to 3 Watt  More than 20 series options in this category, built with single or dual output. Feature variations include internal SMD construction, continuous short-circuit protection, reinforced insulation, high-performance pi input filters, low noise, epoxy encapsulation, or no minimum load requirements. The SWU2/MHIA and TWB3/MHIA5 series are recommended for medical applications.
  • 5 to 12 Watt  Most of these converter series are available with single and dual output, while some have 2:1 or 4:1 wide input ranges. Built-in features include continuous short-circuit protection, over-voltage protection, fixed switching frequency, miniature packaging for tight spaces, six-sided shielding, or low output noise. Several series are useful for medical applications, including the TWA6/MHIA and the TWB6/MHIA5.
  • 15 to 30 Watt This category includes more than 20 series of converters, most of which have single and dual output, a few with triple output. Features include fixed switching frequency, short-circuit or over-voltage protection, internal input fuses, six-sided metal shielding, epoxy encapsulation, and no minimum load requirements. The LWA15 series is ideal for medical applications, with several others recommended for the rail industry, like the DMWB30 series. 
  • 40 to 60 Watt  Polytron carries ten series of converters in this category, several offering triple output models in addition to the single and dual. The LWB40 and DMWB40 series are perfect for railway applications.
  • 75 to 200 Watt  Fourteen series options in this wattage range, some of which are ideal for applications in the railway sector, including the HWB200 and the FWB150. 
  • 5 to 10 Amp  Three types of non-isolated, point-of-load converters, two of which have input under-voltage protection
  • 15 to 30 Amp  Three more non-isolated, point-of-load converters with high efficiency.

Polytron LWA10 Series DC-DC Converters, 10 Watt Single and Dual Output Regulated, Wide Input, 2:1 and 4:1
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Polytron LWA10 Series DC-DC Converters, 10 Watt Single and Dual Output Regulated,  Wide Input, 2:1 and 4:1
Our 10 watt single and dual output DC-DC converter is epoxy encapsulated and features six-sided continuous metal shielding. With operating temperatures up to 85°C, this design has short circuit and overvoltage protection and input/output isolation.
Polytron LWA15 Series DC-DC Converters, 15 Watt Single and Dual Output Isolated, Wide Input
Price (Each):
Polytron LWA15 Series DC-DC Converters, 15 Watt Single and Dual Output Isolated, Wide Input
UL and CE-approved and epoxy-encapsulated, our 15 Watt single and dual output DC-DC converters features an operating temperature up to 85°C, input/output isolation, short circuit and over-voltage protection and six-sided continuous metal shielding.
Polytron LWB40 Series DC-DC Converters, 40 Watt 4:1 Ultra Wide Input Range
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Polytron LWB40 Series DC-DC Converters, 40 Watt 4:1 Ultra Wide Input Range
Good for railway applications, our 40 watt wide input range LWB40 series DC-DC converter features a low profile package, an operating temperature from -40 to 85°C and a minimum input/output isolation of 1600 Vdc.
Polytron LWB60 Series DC-DC Converters, 60 Watt Single and Dual Output Regulated, Wide Input, 4:1, Extra Wide
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Polytron LWB60 Series DC-DC Converters, 60 Watt Single and Dual Output  Regulated, Wide Input, 4:1, Extra Wide
With a low profile package of 1.00" x 2.00" x 0.40", our 60 watt single and dual output DC-DC converter features six-sided continuous metal shielding, RoHS compliance and a minimum input/output isolation of 1600 Vdc. Safety-approved.
Polytron MWA40/B2A Series DC-DC Converters, 40 Watt Single, Dual and Triple Output, Isolated, Wide Input Range
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Polytron MWA40/B2A Series DC-DC Converters, 40 Watt Single, Dual and Triple Output, Isolated, Wide Input Range
With a miniature case of 2.0" x 2.0" x 0.4", our 40 watt single, dual and triple output DC-DC converter features over current protection, an on/off control and a six-sided shield. This design is ideal for telecom and networking applications.
Polytron MWB40/B2A Series DC-DC Converters, 40 Watt Single and Dual Output, Isolated, 4:1 Wide Input Range
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Polytron MWB40/B2A Series DC-DC Converters, 40 Watt Single and Dual Output, Isolated, 4:1 Wide Input Range
Our MWB40/B2A Series of isolated 4:1 wide input range 40-watt single & dual-output DC-DC converters are housed in a miniature 2.0” x 2.0” x 0.4” package for space-constrained designs. High efficiency up to 89%, 1600 V dc isolation, remote ON/OFF control.
Polytron SPU1 Series DC-DC Converters, 1 Watt Single & Dual Output, Unregulated single inline package
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Polytron SPU1 Series DC-DC Converters, 1 Watt Single & Dual Output, Unregulated single inline package
With 80% efficiency, our 1 watt single and dual output DC-DC converter offers the options of 1000 Vdc or 3000 Vdc input/output isolation. The design also features 1-watt unregulated output power and a miniature single-inline package (SIP).
Polytron SWA2 Series DC-DC Converters, 2 Watt Single and Dual Output With Miniature SIP Package
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Polytron SWA2 Series DC-DC Converters, 2 Watt Single and Dual Output With Miniature SIP Package
Regulated design, wide input voltage range. Our 2 watt single and dual DC-DC converter offers continuous short circuit protection and has low ripple and noise. This design also features an external on/off control and a SIP package of 0.86" x 0.36" x 0.44"
Polytron SWB3 Series DC-DC Converters, 3 Watt Single & Dual Output, Regulated Wide Input, 4:1
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Polytron SWB3 Series DC-DC Converters, 3 Watt Single & Dual Output, Regulated Wide Input, 4:1
Our 3 watt single and dual output DC-DC converter with a 4:1 input voltage range provides continuous short circuit protection, a SIP package of 0.86" x 0.36" x 0.44" and 82% efficiency. This design also has an external on/off control and is RoHS compliant
Polytron SWB9 Series DC-DC Converters, 9 Watt Single and Dual Output, Ultra Wide Input, 4:1
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Polytron SWB9 Series DC-DC Converters, 9 Watt Single and Dual Output, Ultra Wide Input, 4:1
With a 4:1 ultra wide input range, our SWB9 series of DC-DC converters feature a miniature SIP package of 0.86 x 0.36 x 0.44 inches, fixed switching frequency and input/output isolation up to 1600 Vdc. Also features continuous short circuit protection.
Polytron TW3 Series DC-DC Converters, 3 Watt Single & Dual Output, Isolated, Regulated 24 Pin DIP Package
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Polytron TW3 Series DC-DC Converters, 3 Watt Single & Dual Output, Isolated, Regulated 24 Pin DIP Package
With a high performance pi input filter, our highly efficient and reliable 3 watt single and dual DC-DC converter has highly regulated isolated outputs, 100% burn-in, and no external components. Isolated, Regulated 24 Pin DIP Package.
Polytron TWA3 Series DC-DC Converters, 3 Watt Single & Dual Output, 24 Pin DIP Package
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Polytron TWA3 Series DC-DC Converters, 3 Watt Single & Dual Output, 24 Pin DIP Package
With no external components, our 3 watt single output model of DC-DC converter has short circuit protection, a 2:1 wide input range and new 3.3 Vdc outputs. Dual output models are also available. Regulated 24 Pin DIP Package. Efficiency to 76% @ FL.
Polytron TWA3/MHIA5 Series DC-DC Converters, 3 Watt Single and Dual Output 2:1 Wide Input Range for Medical Applications
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Polytron TWA3/MHIA5 Series DC-DC Converters, 3 Watt Single and Dual Output 2:1 Wide Input Range for Medical Applications
Our 3 watt 2:1 wide input TWA3/MHIA DC-DC converter features a clearance & creepage distance of 8 mm/2 MOPP, EMI class A filter & miniature DIP package. Also features reinforced insulation & operating temperatures between -40 & 105°C with derating.
Polytron TWA8 Series DC-DC Converters, 8 Watt Single and Dual Output, 24 Pin DIP Package
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Polytron TWA8 Series DC-DC Converters, 8 Watt Single and Dual Output, 24 Pin DIP Package
Our 8 watt single and dual output DC-DC converter features a five-sided EMI shield and no derating up to 70°C. It has an efficiency of 80% and a minimum input/output isolation of 1500 Vdc.
Polytron LPB30 Series DC-DC Converters, 30 Watt Single and Dual Output Low Profile Regulated, 4:1 Wide Input
Price (Each):
Polytron LPB30 Series DC-DC Converters, 30 Watt Single and Dual Output Low Profile Regulated, 4:1 Wide Input
Our 30 watt single and dual output LPB30 series DC-DC converter features high efficiency up to 92%, no minimum load requirement, RoHS, Reach compliance. With a six-sided continuous shield, extra small low profile package,4:1 ultra wide input voltage range
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