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  • Factory-Direct PQ3220 High-Frequency Transformer - Specialized Power Transformer for TV and Monitor Switches
  • Factory-Direct PQ3220 High-Frequency Transformer - Specialized Power Transformer for TV and Monitor Switches
  • Factory-Direct PQ3220 High-Frequency Transformer - Specialized Power Transformer for TV and Monitor Switches
  • Factory-Direct PQ3220 High-Frequency Transformer - Specialized Power Transformer for TV and Monitor Switches
  • Factory-Direct PQ3220 High-Frequency Transformer - Specialized Power Transformer for TV and Monitor Switches
  • Factory-Direct PQ3220 High-Frequency Transformer - Specialized Power Transformer for TV and Monitor Switches
Factory-Direct PQ3220 High-Frequency Transformer - Specialized Power Transformer for TV and Monitor Switches

Factory-Direct PQ3220 High-Frequency Transformer - Specialized Power Transformer for TV and Monitor Switches

  • 1000 - 1999 Pieces
    $0.69
  • 2000 - 4999 Pieces
    $0.68
  • >= 5000 Pieces
    $0.67
View product details

Factory-Direct PQ3220 High-Frequency Transformer - Specialized Power Transformer for TV and Monitor Switches

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Voltage Conversion: Enables step-up (e.g., 440V to 690V) and step-down (e.g., 12V to 220V) power transformations, supporting bidirectional energy transfer for diverse electrical systems.
  • Autotransformer Design: Features a single-coil autotransformer structure with EI and toroidal coil configurations, optimizing efficiency and compactness for space-constrained applications.

Key features

  • 1. Material Technology

    • With copper windings and a toroidal coil structure, you can achieve higher energy efficiency and reduced electromagnetic interference compared to traditional EI core transformers*. The compact toroidal design also minimizes energy loss for optimal performance.

  • 2. Interactive Design

    • With an autotransformer design, you can save space and reduce weight while maintaining high power conversion efficiency, making it ideal for applications where compactness is critical*.

  • 3. Performance Parameters

    • With a wide voltage range (12V to 690V) and compatibility with 110V/220V inputs, you can adapt to diverse power requirements in industrial, commercial, and consumer electronics environments*.

  • 4. Scenario Solutions

    • With a modular and compact design, you can seamlessly integrate this transformer into space-constrained systems like consumer electronics, industrial machinery, or renewable energy setups*.

  • 5. Special Feature

    • With dual-winding capabilities, you can support bidirectional power conversion for applications requiring both high

Product details

Factory-Direct PQ3220 High-Frequency Transformer - Specialized Power Transformer for TV and Monitor Switches

The 440V to 690V Step-Up Transformer 12V to 220V Inverter is a versatile power conversion solution designed for industrial and consumer applications. Built with copper windings and compact EI/toroidal coil structures, it delivers efficient voltage transformation across a wide range (12V–690V). Its modular design and customizable specifications make it ideal for inverters, power supplies, and bidirectional energy systems.

Technical specifications

FeatureSpecificationBenefit
Voltage RangeInput: 110V/220VOutput: 12V/220V/440V/690V
Coil TypeAutotransformerReduces material use and size while maintaining high efficiency.
Coil StructureEI & ToroidalCombines standard EI cores with toroidal design for compactness and low loss.
MaterialCopper windingsHigh conductivity ensures minimal energy loss and long-term durability.
ApplicationPower, Step-UpOptimized for inverters, industrial machinery, and renewable energy systems.

Customization guide

Adjustable parameters include voltage ratings (customizable between 12V–690V), current capacity, and coil structure (EI/toroidal) to meet specific power requirements. For example, increasing the toroidal core size improves efficiency in high-frequency applications.

Get inspired

Transform your power needs with this compact, high-efficiency transformer. Ideal for inverters converting 12V car batteries to 220V AC power or industrial systems stepping up 440V to 690V for heavy machinery.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Max Voltage440V600V690V
Efficiency85%90%95%
SizeStandard (EI core)Compact (Toroidal)Ultra-compact
Current Capacity5A10A15A
Protection RatingIP20IP40IP54

Supplier's note

  1. Technical Breakthroughs:

    • Toroidal Core Design: Reduces leakage flux by 30% compared to traditional EI cores, enhancing efficiency.
    • Copper Windings: Achieve 20% lower energy loss than aluminum alternatives.
    • Autotransformer Configuration: Cuts material costs by 15% while maintaining performance.

  2. Version Selection Guide:

    • Base Model: Best for basic inverters (e.g., 12V to 220V for camping gear) where cost and space are priorities.
    • Advanced Model: Ideal for industrial inverters (e.g., 440V to 600V for machinery) requiring compact size and moderate power.
    • Pro Model: Designed for high-voltage applications (e.g., 690V distribution systems) with IP54 protection for harsh environments.

With the Pro Model’s 95% efficiency and IP54 rating, you can safely power outdoor equipment in dusty conditions. Pair its toroidal core with copper windings to minimize energy waste in renewable energy setups.

Frequently asked questions

  • Which model of 440V to 690V step-up transformer is best suited for high-power inverters?

  • How do I clean and maintain the 110V to 220V transformer to prevent overheating?

  • What are the advantages of copper winding in 12V to 220V transformers vs. aluminum?

  • Can this transformer be customized for 440V to 690V applications in industrial machinery?

  • Is the 110V input to 220V output transformer CE-certified for safety?

  • What’s the difference between EI-core and toroidal coil structures in step-up transformers?

  • Can this transformer handle bidirectional power conversion for inverters and chargers?

  • Are the voltage ratings (e.g., 440V to 690V) fixed or adjustable in your transformers?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Coil StructureHigh-efficiency power systemsIndustry Standard: EI Core (92% efficiency)
Our Advanced: Toroidal Core (▲95% efficiency)		▲Toroidal reduces EMI and size by 30% (IEC 60076-7 compliant)EI cores are cheaper but bulkier (weight: 1.2kg vs 0.8kg for Toroidal)
Voltage RangeIndustrial machinery, heavy-duty systemsIndustry Standard: Up to 480V
Our Advanced: 440V-690V (▲IEC 60076-9 compliant)		▲Handles high-voltage applications (e.g., industrial motors)Requires reinforced insulation (cost ↑15%)
Transformer TypeCost-sensitive vs efficiency-criticalIndustry Standard: Distribution Transformer (88% efficiency)
Our Base: Auto Transformer (▲92% efficiency)		▲Auto reduces size/cost by 20% (shared winding)Less isolation risk in Auto vs Distribution type
Material (Copper Windings)High-current applicationsAll Versions: Copper (ISO 1702 certified, 1.72 S/m conductivity)Superior heat dissipation (operates at <70°C)30% heavier than aluminum alternatives
Winding ConfigurationMulti-output systemsOur Advanced: Multi-tap windings (12V/220V/440V)
Industry: Fixed outputs		▲Flexibility for solar inverters or hybrid systemsComplex wiring increases assembly costs (↑25%)
Efficiency RatingEnergy-sensitive environmentsIndustry Standard: 85-90%
Our Advanced: ▲95% (per IEC 60085)		▲Reduces energy waste by 20% (e.g., data centers)Higher manufacturing precision required (lead time ↑10 days)

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