Transformer Design Interface Please enable JavaScript in your browser to complete this form.Please enable JavaScript in your browser to complete this form.Contact / Job InformationJob Name *Customer Name *Email *PhoneElectrical RequirementsMinimum Input Voltage *Minimum input voltage in volts.Maximum Input Voltage *Maximum input voltage in volts.Output Voltage *Main output voltage in volts.Output Current *Main output current in amps.Switching Frequency *Switching frequency in kHz.Estimated Efficiency *75%80%85%88%90%92%95%Maximum Duty Cycle *35%40%45%50%55%60%Ripple / Current Mode Target *Conservative / lower rippleBalancedAggressive / smaller transformerDiscontinuous conduction mode preferredBoundary conduction mode preferredContinuous conduction mode preferredIsolation / Safety RequirementsIsolation Requirement *None / non-isolatedFunctional isolationBasic isolationReinforced isolationMedical / high isolation requirementPrimary Insulation Class *Class A – 105°CClass B – 130°CClass F – 155°CClass H – 180°CSecondary Insulation Class *Class A – 105°CClass B – 130°CClass F – 155°CClass H – 180°CSafety / Compliance TargetULCEIECRoHSREACHOther / custom requirementCore / Material PreferencesCore Material Preference *Auto selectFerriteNanocrystallineAmorphousIron Powder Output Voltage Rise Core Family Preference *Auto selectEEEFDETDPQRMPlanarToroidMaximum Temperature Rise *Maximum allowed temperature rise in °C.Ambient Temperature *Ambient operating temperature in °C.Optimization Mode *BalancedSmallest sizeHighest efficiencyLowest costLowest temperature riseBest regulation / lowest leakageMechanical / Winding PreferencesMounting Style *— Select Choice —Through-holeSMDFlying leadsCustomWinding Type *Round wireLitz wireFoilPlanar windingPreferred Winding ArrangementAuto selectPrimary then secondarySplit primarySplit secondarySandwich winding – lower leakageHigh isolation spacing – easier safety clearanceInclude Auxiliary Winding?Yes, include an auxiliary windingAuxiliary Output CurrentAuxiliary winding output current in amps. Only needed if auxiliary winding is selected.Auxiliary Output VoltageAuxiliary winding output voltage in volts. Only needed if auxiliary winding is selected.Notes / Special RequirementsInclude any special requirements such as creepage, clearance, insulation tape, shielding, bobbin constraints, preferred core series, agency requirements, or mechanical limits.Design Preference PrioritiesMinimize Size Selected Value: 50 Higher values favor a smaller transformer, even if losses or temperature rise may increase.Maximize Efficiency Selected Value: 70 Higher values favor lower total loss and better efficiency.Minimize Temperature Rise Selected Value: 70 Higher values favor cooler operation and more thermal margin.Minimize Cost Selected Value: 40 Higher values favor lower-cost materials, simpler construction, and more common core families.Improve Regulation / Reduce Leakage Selected Value: 60 Higher values favor winding arrangements that improve coupling, reduce leakage inductance, and improve output regulation.Maximize Isolation / Safety Margin Selected Value: 80 Higher values favor more creepage, clearance, insulation margin, and safety spacing between primary and secondary windings.Improve Manufacturability Selected Value: 70 Higher values favor simpler winding structure, reasonable fill factor, fewer layers, and easier assembly.Minimize EMI / Noise Selected Value: 60 Higher values favor lower-noise construction, shielding options, reduced leakage energy, and more conservative layout choices.Generate Design
