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High Power Compact EE80 High Frequency Power Transformer Low Loss Stable For Inverters
Place of Origin:
China
Brand Name:
CHIPSEN
Certification:
UL/cUL Class B/F/H, VDE, CQC
Model Number:
EE80
Minimum Order Quantity:
1K
Price:
＄1.35-2.68/pieces
Delivery Time:
7-14 work days (Negotiable)
Payment Terms:
T/T
Supply Ability:
10000pcs
Inquiry Now
Get A Quote
Specifications
Highlight Features
High Power high frequency power transformer
,EE80 high frequency power transformer
,Inverters hf transformer
Powerrating:
10W - 200W
Operatingtemperaturerange:
-40°C To +85°C
Regulatorycompliance:
UL, RoHS, CE
Isolationvoltage:
3000V AC
Mountingtype:
PCB Mount / Through Hole
Operatingfrequency:
20kHz - 100kHz
Outputvoltage:
5V - 48V DC
Efficiency:
Up To 90%
Dimensions:
Customizable Per Design
Corematerial:
Ferrite
Productname:
High Frequency Flyback Transformer
Windingtype:
Copper Wire
Application:
Switching Power Supplies, Adapters, Chargers
Insulationclass:
Class B / Class F
Inputvoltage:
85V - 265V AC
Product Description
High Power Compact EE80 High Frequency Transformer Low Loss Stable for Inverters
The EE80 is a large ferrite core high frequency transformer platform intended for high power conversion where electrical isolation, high current handling, controlled losses, and customized winding connections are required.
The pictured product uses multiple insulated lead wires, heavy duty crimp terminals, and a large magnetic core assembly. Its exact voltage ratio, power rating, inductance, switching frequency, and insulation level cannot be determined from the image alone.
All numerical values below are typical engineering inquiry references rather than guaranteed ratings. Final performance depends on converter topology, bus voltage, switching frequency, duty cycle, waveform, cooling method, insulation requirements, and allowable temperature rise.
Industry Applications & Specifications
| Industry and Application | Typical Operating Conditions | Parameters Prioritized by Buyers | Typical Inquiry Reference | Customization Support |
|---|---|---|---|---|
| Industrial Inverters | Full bridge, half bridge, LLC or phase shifted conversion | Power rating, turns ratio, magnetizing inductance, leakage inductance, efficiency and temperature rise | 10 kHz to 100 kHz depending on topology and magnetic material | Core material, windings, inductance, leakage, insulation, leads and terminals |
| Solar Inverters | High voltage DC bus with isolated conversion stage | Input range, output voltage, isolation, efficiency, thermal performance and operating life | 300 V to 1000 V DC bus may be encountered at system level | Reinforced insulation, shielding, winding structure and thermal optimization |
| Energy Storage Systems | Battery converter, PCS and auxiliary high power supplies | Bidirectional operation, RMS current, peak current, isolation, losses and cooling | Project specific battery voltage and power conversion requirements | Custom turns ratio, conductor size, inductance, mounting and protection devices |
| UPS Equipment | Battery inverter isolation and high power DC-DC stages | Continuous power, overload capability, leakage inductance, temperature rise and reliability | Power commonly evaluated from approximately 1 kW to 10 kW depending on design | Custom winding construction, terminals, insulation and thermal design |
| EV Charging Equipment | Isolated DC-DC converter and auxiliary power stage | High voltage isolation, efficiency, interwinding capacitance, current capacity and thermal cycling | LLC and phase shifted full bridge applications commonly requested | Low capacitance winding, shielding, reinforced insulation and lead configuration |
| Industrial Welding Equipment | High current, high frequency conversion | Peak current, copper loss, leakage inductance, thermal performance and mechanical strength | High current pulsed or continuous operating conditions | Foil wire, litz wire, parallel winding and heavy terminal customization |
| Induction Heating Equipment | Resonant power conversion | Frequency range, turns ratio, current capacity, core loss and insulation | Frequency and waveform defined by the resonant converter | Magnetic material, air gap, winding and cooling optimization |
| Telecom Power Systems | High power rectifier and isolated DC-DC conversion | Efficiency, compact size, regulation, EMI and continuous reliability | 48 V equipment buses and higher voltage internal converter stages | Low loss winding, low capacitance design and customized mounting |
| Railway Power Electronics | Auxiliary converter and onboard power supply | Wide input range, isolation, vibration, temperature and documentation | Application specific voltage and environmental requirements | Special materials, traceability, validation and mechanical reinforcement |
| Medical Power Equipment | Isolated high power conversion | Leakage current, interwinding capacitance, dielectric strength and temperature rise | Parameters defined by equipment safety classification | Shielding, reinforced insulation, controlled capacitance and documentation |
| Industrial Battery Chargers | High power isolated charging stage | Voltage ratio, efficiency, current capacity, temperature rise and isolation | Project specific battery voltage, charging current and switching frequency | Turns ratio, conductors, terminals, thermal sensor and mounting |
| Data Center Power Equipment | High efficiency isolated converter | Power density, efficiency, leakage inductance, capacitance and cooling | High frequency full bridge or resonant conversion | Planar, foil, litz or round wire winding options subject to evaluation |
Customization Parameters
| Parameter | Typical Inquiry Reference | Customization Status |
|---|---|---|
| Core Platform | EE80 ferrite core assembly | Customizable |
| Magnetic Material | MnZn power ferrite selected for frequency, flux density and temperature | Customizable |
| Converter Topology | Full bridge, half bridge, push pull, LLC or phase shifted full bridge | Customer Specified |
| Switching Frequency | Approximately 10 kHz to 100 kHz commonly evaluated | Customer Specified |
| Power Range | Approximately 1 kW to 10 kW depending on topology, cooling and temperature rise | To Be Confirmed |
| Input Voltage | Minimum, nominal and maximum converter input voltage | Customer Specified |
| Output Voltage | No load, nominal and full load output voltage | Customer Specified |
| Turns Ratio | Developed according to voltage waveform, duty cycle and rectification method | Customizable |
| Primary Inductance | Defined at the specified frequency, voltage and test condition | Customer Specified |
| Leakage Inductance | Minimized or intentionally controlled according to converter requirements | Customizable |
| RMS Current | Continuous RMS current for every winding | Customer Specified |
| Peak Current | Maximum repetitive and transient current | Customer Specified |
| DC Resistance | Maximum DCR for each winding at the specified temperature | Customizable |
| Winding Conductor | Round wire, parallel wire, litz wire, copper foil or combined construction | Customizable |
| Interwinding Capacitance | Controlled for EMI and common mode current requirements | Customizable |
| Insulation System | Basic, supplementary, reinforced or project specific insulation | Customizable |
| Dielectric Strength | Common inquiry levels may include 3 kV AC to 5 kV AC | Customer Specified |
| Creepage and Clearance | Defined by working voltage, pollution degree, material group and standard | Customer Specified |
| Insulation Class | Class B, Class F, Class H or application specific system | Customizable |
| Temperature Rise | Defined according to load, ambient temperature, cooling and enclosure | Customer Specified |
| Cooling Method | Natural air, forced air, heatsink, conduction or customer system cooling | Customer Specified |
| Electrostatic Shield | Single or multiple shields available where required | Optional |
| Thermal Protection | Thermal fuse, thermostat or temperature sensor | Optional |
| Lead Wires | Gauge, insulation, color, length, routing and identification | Customizable |
| Terminations | Crimp terminals, ring terminals, blade terminals, connectors or busbar interfaces | Customizable |
| Mounting | Clamp, bracket, base plate or customer specified fixture | Customizable |
| Impregnation | Varnish impregnation, partial encapsulation or full encapsulation | Customizable |
| Certification | Applicability evaluated for the exact construction and part number | Project Dependent |
| Marking | Logo, part number, electrical data, batch and traceability code | Customizable |
Engineering Information Required for Development
| Required Information | Engineering Purpose |
|---|---|
| Converter Topology | Determines voltage waveform, duty cycle, flux swing and winding arrangement |
| Minimum and Maximum Input Voltage | Defines the primary turns and magnetic operating range |
| Output Voltage and Current | Determines turns ratio, conductor size and rectifier relationship |
| Continuous and Peak Power | Determines core utilization, copper requirements and thermal design |
| Switching Frequency | Determines core material, core loss and conductor selection |
| Duty Cycle | Required for flux density and volt second calculations |
| Primary Current Waveform | Supports RMS loss and saturation evaluation |
| Secondary Current Waveform | Supports conductor and temperature rise calculations |
| Target Primary Inductance | Controls magnetizing current and converter behavior |
| Leakage Inductance Limit | Affects switching stress, resonance and energy transfer |
| Maximum DCR | Establishes winding conduction loss targets |
| Isolation Requirement | Determines insulation barriers, materials, creepage and clearance |
| Maximum Dimensions | Defines the available winding and mounting envelope |
| Cooling Conditions | Required for realistic power and temperature evaluation |
| Ambient Temperature | Supports material and insulation class selection |
| Applicable Standards | Defines safety, construction, testing and documentation |
| Annual Demand | Supports tooling, material and production planning |
Product Description
The EE80 high frequency transformer is designed for high power isolated conversion in industrial inverters, UPS systems, battery chargers, renewable energy equipment, welding machines, and other power electronic platforms.
Its large ferrite core provides a substantial magnetic cross section and winding window for high current conductors, multiple secondary outputs, insulation barriers, shields, and protection devices. The winding can use parallel copper wires, litz wire, copper foil, or a combined conductor structure according to frequency, current, and loss requirements.
The pictured configuration incorporates multiple flexible lead wires and heavy duty crimp terminals for connection to power devices, busbars, or wiring assemblies. Lead length, wire gauge, insulation color, terminal type, and routing can be customized.
Chipsen can develop the EE80 transformer from a circuit specification, customer drawing, physical sample, or replacement requirement. The final design is confirmed through an approved drawing, electrical specification, and application validation.
Product Construction
| Construction Element | Description |
|---|---|
| Magnetic Core | EE80 MnZn ferrite core selected according to frequency, flux density and loss |
| Bobbin or Coil Former | High temperature insulating structure supporting winding separation |
| Primary Winding | Copper wire, foil, litz wire or parallel conductor construction |
| Secondary Windings | Single or multiple high current outputs according to the converter design |
| Insulation Barriers | Tape margins, sleeving, spacers and reinforced barriers as required |
| Electrostatic Shield | Optional copper or foil shield for common mode noise control |
| Lead Wires | Flexible insulated leads selected for voltage, current and temperature |
| Power Terminals | Crimp, ring, blade, pin, connector or customized busbar terminations |
| Core Retention | Tape, clamp, adhesive, bracket or customized mechanical structure |
| Impregnation | Varnish or encapsulation options for winding stability and environmental protection |
| Thermal Device | Optional temperature sensor, thermal fuse or thermostat |
| Identification | Customized part number, wiring labels, polarity marks and traceability code |
Product Characteristics
- Large EE80 ferrite core for high power conversion
- High current winding configurations available
- Low copper loss design through optimized conductor selection
- Low core loss material selected according to switching frequency
- Custom primary and secondary voltage ratios
- Controlled magnetizing and leakage inductance
- Single or multiple secondary outputs
- Reinforced insulation options for high voltage applications
- Low interwinding capacitance design available
- Electrostatic shielding available for EMI control
- Heavy duty lead wires and terminals
- Optional litz wire, copper foil or parallel wire windings
- Optional thermal sensor or protection device
- Custom mounting and mechanical reinforcement
- Suitable for natural air or forced air cooling designs
- Drawing based and sample based replacement development
Applications
- Industrial power inverters
- Solar inverters
- Energy storage converters
- Battery PCS equipment
- Uninterruptible power supplies
- EV charging equipment
- Industrial battery chargers
- High power DC-DC converters
- Welding power supplies
- Induction heating equipment
- Railway auxiliary converters
- Telecom rectifier systems
- Data center power equipment
- Medical power systems
- Motor drive power supplies
- High voltage isolation modules
- Resonant LLC converters
- Phase shifted full bridge converters
Quality Control
Chipsen establishes the manufacturing and inspection plan according to the approved electrical specification, mechanical drawing, converter conditions, and customer quality requirements.
Incoming ferrite cores, copper conductors, bobbins, insulation materials, lead wires, terminals, adhesives, and protection devices are inspected before production. Winding, insulation, assembly, impregnation, termination, testing, labeling, and packaging are controlled through documented procedures.
| Inspection Item | Inspection Purpose |
|---|---|
| Turns Ratio Test | Confirms the required primary and secondary relationship |
| Primary Inductance Test | Verifies magnetizing inductance at the defined test condition |
| Leakage Inductance Test | Confirms coupling performance and converter compatibility |
| Winding Resistance Test | Evaluates conductor consistency and copper loss |
| Polarity and Phase Test | Confirms winding orientation and multiple output relationships |
| Insulation Resistance Test | Evaluates insulation between windings, core and terminals |
| Dielectric Strength Test | Verifies the specified isolation withstand capability |
| Interwinding Capacitance Test | Available for EMI sensitive applications |
| Temperature Rise Test | Confirms thermal performance under agreed operating conditions |
| Load Performance Test | Evaluates voltage, current, loss and efficiency under defined load |
| Core Loss Evaluation | Confirms magnetic performance under the specified waveform |
| Lead Pull Test | Evaluates the mechanical strength of lead connections |
| Terminal Crimp Inspection | Confirms crimp dimensions, strength and conductivity |
| Dimension Inspection | Verifies the approved installation envelope |
| Impregnation Inspection | Checks material coverage, cleanliness and assembly condition |
| Thermal Device Test | Confirms sensor or protector operation where installed |
| Appearance Inspection | Checks polarity marking, leads, insulation and workmanship |
| Packaging Inspection | Confirms protection, quantity, labels and shipping configuration |
Special medical, automotive, railway, energy storage, and charging applications require separate validation plans. Test conditions, acceptance limits, and sampling requirements must be defined in the approved specification or quality agreement.
Company Profile
Chipsen specializes in the development and manufacturing of custom magnetic components for industrial equipment, power electronics, automation systems, and electrical control applications.
The product range includes high-frequency transformers, low-frequency transformers, planar transformers, power inductors, high-current inductors, toroidal inductors, common-mode chokes, EMI filter magnetics, wireless charging coils, custom coils, and non-standard magnetic components.
Chipsen supports drawing-based development, sample-based replacement development, and application-requirement design. Engineering discussions can cover low DCR, leakage inductance, EMI, insulation, temperature rise, winding structure, footprint, pinout, terminals, protection devices, and production-testing requirements.
The objective is to provide evaluation-ready samples and a clearly defined specification before production approval.
Why Choose Chipsen
- EE80 high power magnetic component customization
- Engineering support based on actual converter waveforms
- Drawing based and sample based replacement development
- Custom turns ratio, inductance, leakage and DCR
- Litz wire, copper foil and parallel conductor options
- Reinforced insulation and controlled creepage design
- Low capacitance and electrostatic shielding options
- Heavy duty lead wire, terminal and connector customization
- Temperature rise and loss optimization
- Optional temperature sensing and thermal protection
- Custom mounting, impregnation and encapsulation
- Prototype development and evaluation support
- OEM and ODM customization
- Electrical and mechanical testing based on approved specifications
- Material and production traceability according to project requirements
- Clear drawing and specification approval before mass production
Frequently Asked Questions
What information is required to customize an EE80 transformer?
Please provide the converter topology, input voltage range, output voltage and current, continuous and peak power, switching frequency, duty cycle, current waveform, target inductance, leakage limit, insulation requirement, maximum dimensions, cooling conditions, ambient temperature, and annual demand.
What power can an EE80 transformer handle?
Approximately 1 kW to 10 kW is a broad inquiry reference rather than a guaranteed rating. Actual power depends on topology, switching frequency, flux density, conductor design, cooling method, ambient temperature, efficiency target, and allowable temperature rise.
Can the EE80 transformer use litz wire or copper foil?
Yes. Round wire, parallel wire, litz wire, copper foil, and combined winding structures can be evaluated according to current, frequency, skin effect, proximity loss, winding space, and termination requirements.
Can leakage inductance be customized?
Yes. Leakage inductance can be minimized for efficient power transfer or intentionally controlled for resonant and soft switching circuits. The required measurement frequency, test connection, and tolerance must be specified.
Can interwinding capacitance be reduced?
Yes. Winding arrangement, insulation spacing, sectional winding, and electrostatic shielding can be evaluated. Reducing capacitance may affect leakage inductance, winding space, and thermal performance.
Can multiple secondary outputs be provided?
Yes. Multiple isolated or connected secondary windings can be developed when power distribution, winding space, insulation, and temperature requirements permit.
Can this transformer be used in an LLC converter?
Yes. An EE80 transformer can be developed for LLC resonant conversion. The resonant operating range, magnetizing inductance, leakage inductance, turns ratio, gain requirement, and load range must be provided.
Can the transformer support high voltage isolation?
Yes. Reinforced insulation barriers, suitable materials, creepage, clearance, and high voltage testing can be incorporated according to the applicable standard and working voltage.
Can a temperature sensor be installed?
Yes. Thermistors, thermostats, thermal fuses, and other temperature sensing or protection devices can be evaluated according to the control system.
Can the lead wires and terminals be customized?
Yes. Wire gauge, insulation type, color, length, routing, identification, and terminal style can be customized according to the approved drawing.
Can Chipsen develop a replacement from an existing sample?
Yes. Chipsen supports sample based replacement development. The sample can be evaluated for dimensions, turns ratio, inductance, resistance, winding arrangement, leads, and terminals. Actual converter conditions are still required for correct magnetic and thermal design.
Is the EE80 suitable for continuous operation?
A continuous duty version can be developed after confirming the RMS currents, frequency, waveform, ambient temperature, cooling method, enclosure conditions, and allowable temperature rise.
Are the specifications on this page guaranteed?
No. They are typical engineering and purchasing references. Only values confirmed in the approved drawing, product specification, and validation documentation are guaranteed for the final product.
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