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  • EE22 Vertical Type PIN5+3+2 Wide Isolation Power 12V Transformer
  • EE22 Vertical Type PIN5+3+2 Wide Isolation Power 12V Transformer
  • EE22 Vertical Type PIN5+3+2 Wide Isolation Power 12V Transformer
  • EE22 Vertical Type PIN5+3+2 Wide Isolation Power 12V Transformer
  • EE22 Vertical Type PIN5+3+2 Wide Isolation Power 12V Transformer
  • EE22 Vertical Type PIN5+3+2 Wide Isolation Power 12V Transformer
EE22 Vertical Type PIN5+3+2 Wide Isolation Power 12V Transformer

EE22 Vertical Type PIN5+3+2 Wide Isolation Power 12V Transformer

$0.60-$0.80/ Piece|3000 Piece/Pieces(Min. Order)
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EE22 Vertical Type PIN5+3+2 Wide Isolation Power 12V Transformer

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • High-Frequency Voltage Conversion: The EF20 Mini Transformer efficiently steps down voltage to 5V, optimized for high-frequency switching mode power applications.
  • Compact Autotransformer Design: Utilizes a toroidal coil structure for minimal size and optimal magnetic efficiency, ideal for space-constrained environments.

Key features

  • 1. Advanced Material Technology for Efficient Operation

    • With a toroidal coil structure and insulated copper windings, achieve high efficiency and minimal energy loss. The ferrite/powdered iron core ensures stable high-frequency performance, outperforming traditional open-core designs*.

  • 2. Compact Design for Space-Conscious Applications

    • With its streamlined, compact build, easily integrate into tight spaces without compromising power delivery. Up to 20% smaller than standard transformers*, ideal for electronics and industrial systems with limited installation areas.

  • 3. High-Frequency Performance for Modern Electronics

    • Support high-frequency applications with a stable 5V output, ensuring reliability in switching power supplies. Delivers 30% faster response times than conventional low-frequency transformers*, meeting demands for rapid energy conversion.

  • 4. Versatile Scenario Adaptability

    • Designed for dual-use scenarios, from low-power consumer electronics to high-current industrial setups. Its autotransformer configuration allows seamless voltage adjustments, covering a broader range of applications than single-purpose models*.

  • 5. Eco-Friendly Compliance with Global Standards

    • Certified RoHS-compliant, guaranteeing the use of non-toxic materials and adherence to environmental regulations. Meets stricter safety and sustainability criteria than non-certified alternatives*.

Product details

EE22 Vertical Type PIN5+3+2 Wide Isolation Power 12V Transformer

The EF20 Mini Transformer 5V is a high-frequency autotransformer designed for compact, efficient power conversion in switching mode power supplies. Built with a toroidal coil structure and ferrite core, it delivers reliable 5V output while minimizing electromagnetic interference. Certified to RoHS standards, it ensures environmental compliance and safety in diverse applications.

Technical specifications

FeatureSpecificationApplication Scenario
Coil MaterialInsulated copper wireEnsures low resistance and high efficiency in electronics
Core MaterialFerrite/powdered ironIdeal for high-frequency applications (e.g., SMPS)
Coil StructureToroidalReduces stray magnetic fields for noise-free operation
Output Voltage5VPowers low-voltage devices like IoT sensors or LED systems
Frequency RangeHigh frequency (up to 100kHz)Enables compact design in high-speed power circuits
CertificationRoHS-compliantMeets global environmental and safety standards
TypeAutotransformer (single-coil)Efficient voltage regulation in space-constrained systems

Customization guide

Adjustable voltage and current parameters to meet specific power requirements. The toroidal design allows for customization of frequency ranges and thermal ratings for specialized industrial or medical applications.

Get inspired

With its compact toroidal design and high-frequency capability, the EF20 Mini Transformer 5V is perfect for modern electronics. Whether you need a reliable power source for a smart home device or a rugged solution for industrial control systems, this transformer ensures seamless performance under varying loads.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Efficiency85%+15% (98.5%)+30% (99.5%)
Power Handling50W100W150W
Frequency Range20–50kHz20–100kHz20–200kHz
Weight200g250g300g

Supplier's note

  1. Technical Breakthroughs:

    • Toroidal Design: Reduces energy loss by 20% compared to traditional E-I core transformers.
    • High-Frequency Core: Enables miniaturization while maintaining 100kHz operation, 50% faster than industry benchmarks.
    • RoHS Compliance: Eliminates hazardous materials, aligning with global sustainability mandates.

  2. Version Selection Guidance:

    • Base Model: Ideal for basic electronics (e.g., LED lighting) where cost efficiency is prioritized.
    • Advanced Model: Suitable for mid-range applications like industrial sensors, offering 15% higher efficiency than competitors.
    • Pro Model: Designed for high-power systems (e.g., server power supplies), with triple the thermal stability of standard models. Its 200kHz frequency capability ensures compatibility with next-gen switching technologies.

Frequently asked questions

  • Which transformer model is best for low-power electronics requiring 5V output?

  • How do I maintain the toroidal coil structure of the EF20 Mini Transformer?

  • Is the EF20 Mini Transformer RoHS certified for industrial use?

  • What’s the advantage of an autotransformer design in the EF20?

  • Can the EF20 handle high-frequency switching power applications?

  • Is the 5V output voltage adjustable on the EF20 Mini Transformer?

  • Why choose the EF20 over larger transformers for space-constrained projects?

  • Does the EF20 support customization for specific voltage or current needs?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Frequency CharacteristicsHigh-Frequency Applications (e.g., SMPS, LED Drivers)Industry Standard: 50–60 HzEnables compact designs, reduced sizeRequires compatible high-frequency components
Our Base: 100–200 kHz (▲20× industry standard)Our Advanced: 200–500 kHz (▲2× Base)
Core DesignSpace-Constrained ElectronicsIndustry Standard: E-I laminated cores (bulky, 65 dBA noise)Reduced noise and sizeHigher cost
Our Base: Toroidal ferrite core (43 dBA ▲quieter than refrigerator hum)Our Advanced: Hybrid core (35 dBA ▲ultra-quiet)
Output Voltage StabilitySensitive Electronics (e.g., medical devices)Industry Standard: ±10% tolerance (IEC 60038)Precision for critical systemsComplex regulation circuits
Our Base: ±5% (▲halved tolerance)Our Advanced: ±2% (▲industry-leading stability)
EfficiencyEnergy-Efficient SystemsIndustry Standard: 85–90% efficiencyLower heat generation, energy savingsHigher initial cost
Our Base: 92% (▲7% improvement)Our Advanced: 95% (▲10% improvement)
Compliance CertificationsGlobal MarketsIndustry Standard: Basic safety certs (e.g., UL)Meets strict environmental/regulatory standardsLonger certification process
Our Base: RoHS, CE (▲environmental compliance)Our Advanced: RoHS, CE, REACH (▲full EU compliance)
Physical DimensionsCompact Devices (e.g., IoT)Industry Standard: 100×50 mm (bulky)Fits miniaturized electronicsLimited power capacity
Our Base: 60×30 mm (▲50% smaller)Our Advanced: 45×20 mm (▲70% smaller)

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