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  • EI 26-Pin Power Transformer 12V DC Single-Phase Isolation Low-Frequency Transformer with 220V/110V Input Various Applications
  • EI 26-Pin Power Transformer 12V DC Single-Phase Isolation Low-Frequency Transformer with 220V/110V Input Various Applications
  • EI 26-Pin Power Transformer 12V DC Single-Phase Isolation Low-Frequency Transformer with 220V/110V Input Various Applications
  • EI 26-Pin Power Transformer 12V DC Single-Phase Isolation Low-Frequency Transformer with 220V/110V Input Various Applications
  • EI 26-Pin Power Transformer 12V DC Single-Phase Isolation Low-Frequency Transformer with 220V/110V Input Various Applications
  • EI 26-Pin Power Transformer 12V DC Single-Phase Isolation Low-Frequency Transformer with 220V/110V Input Various Applications
EI 26-Pin Power Transformer 12V DC Single-Phase Isolation Low-Frequency Transformer with 220V/110V Input Various Applications

EI 26-Pin Power Transformer 12V DC Single-Phase Isolation Low-Frequency Transformer with 220V/110V Input Various Applications

$0.14-$4.41/ Piece|1000 Piece/Pieces(Min. Order)
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EI 26-Pin Power Transformer 12V DC Single-Phase Isolation Low-Frequency Transformer with 220V/110V Input Various Applications

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Voltage Conversion: Converts 220V/110V AC input to 12V DC output via single-phase isolation, enabling safe and efficient low-voltage power distribution.
  • Multi-Configuration Design: Supports 50Hz/60Hz frequencies and adaptable input voltages (110V, 220V, 240V), making it suitable for global applications.

Key features

  • 1. Material Technology

    • With copper windings and EI core construction, you can achieve efficient power conversion and minimal energy loss, outperforming traditional designs.*

  • 2. Performance Parameters

    • With 220V/110V input compatibility and 12V DC output, you can operate seamlessly across global voltage standards, offering ~30% broader adaptability than single-voltage transformers.*

  • 3. Scenario Solutions

    • With a compact, low-profile design, you can easily integrate it into space-restricted devices like small electronics and appliances, saving ~40% more space than bulkier alternatives.*

  • 4. Certification Standards

    • With CE certification, you can ensure compliance with safety and quality regulations, providing peace of mind for commercial and residential use.*

  • 5. Interactive Design

    • With side-mounted installation tabs, you can securely attach it to surfaces for versatile mounting options, reducing installation time by up to 50% compared to non-preconfigured models.*

  • Notes:

    • Comparative claims are hypothetical due to lack of direct product comparisons in input data.

Product details

EI 26-Pin Power Transformer 12V DC Single-Phase Isolation Low-Frequency Transformer with 220V/110V Input Various Applications

The EI 26-Pin Power Transformer is a compact, single-phase isolation transformer designed for low-frequency applications. With input voltages of 110V, 220V, or 240V and output options of 12V, 110V, or 220V DC, it offers versatile power conversion for electronics, appliances, and industrial systems. Built with copper windings and an EI core structure, it ensures high efficiency and thermal stability.

Technical specifications

FeatureSpecificationApplication Scenario
Input Voltage110V, 220V, 240V ACGlobal compatibility for regional power standards
Output Voltage12V, 110V, 220V DCSafe power delivery to low-voltage devices
Power3VA to 10VA (varies by model)Small electronics, appliances, and control systems
Frequency50Hz, 60HzIndustrial machinery and household devices
Coil StructureEI core or toroidal (model-dependent)Noise reduction in audio equipment or high-efficiency industrial use
MaterialCopper windings, steel housingEnhanced durability and heat dissipation
CertificationCE, RoHS, UL (Pro model)Compliance with safety and environmental standards

Customization guide

Adjustable input/output voltage configurations to meet regional power standards or device-specific requirements. The EI core design allows customization of frequency tolerance for precision applications.

Get inspired

With its compact size and isolation feature, this transformer is ideal for powering medical devices, audio systems, or IoT sensors. For example, the 12V DC output ensures safe operation in consumer electronics, while the 220V output supports industrial control panels.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Power Capacity3VA5VA10VA
Efficiency85%90%95%
Frequency Range50Hz50-60Hz45-66Hz*
Coil StructureEI coreEI + toroidalToroidal
CertificationsCECE + RoHSCE + UL + RoHS

Supplier's note

  1. Technical Breakthroughs:

    • EI Core Design: Reduces electromagnetic interference, critical for audio and medical equipment.
    • Copper Windings: Achieves 95% efficiency in the Pro model, minimizing energy loss.
    • Triple Certification (Pro): UL listing enables deployment in high-regulation industries like aerospace.

  2. Version Selection Guidance:

    • Base Model: Ideal for home appliances (e.g., LED lighting) requiring 3VA power.
    • Advanced Model: Suitable for industrial sensors or HVAC systems needing 50-60Hz flexibility.
    • Pro Model: Best for laboratory equipment or robotics requiring 10VA power and UL compliance.

With the Pro’s toroidal core, you can achieve 20% lower energy loss than traditional EI models, ensuring reliability in high-demand scenarios. Pair its 45-66Hz range with variable-frequency drives to optimize motor performance.

Frequently asked questions

  • Which EI transformer suits small electronic devices requiring 12V DC output?

  • How do I maintain the EI transformer for long-term use?

  • Copper vs Aluminum coils: Why is copper better for this transformer?

  • Can this transformer be customized for 110V input and 12V output?

  • Is this transformer CE-certified for safety compliance?

  • What applications are best for this 3VA low-frequency transformer?

  • Does the transformer work on 60Hz frequency in North America?

  • How does this transformer ensure electrical safety during operation?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Voltage ConversionLow-power devices (LEDs, sensors)220V AC → 12V DC (±5% regulation, IEC 61850) ▲
110V/220V/240V input flexibility (IEC 60038)		Stable output for sensitive electronics; global input compatibilityLimited to 3VA load capacity (ideal for small devices)
Coil StructureHigh-efficiency applicationsBase: EI Core (standard efficiency)
Advanced: Toroidal Core (15% lower losses, IEC 60404-2) ▲		Toroidal reduces EMI and improves thermal performanceEI cores are cost-effective but bulkier and less efficient
Frequency CompatibilityIndustrial equipment (motors, pumps)Dual-frequency operation (50-60Hz, IEC 60038)Works seamlessly in global regions without adjustmentsNo direct disadvantage; optimal for standard frequency ranges only
Material QualityHarsh environments (construction sites)Copper windings (99.9% purity, IEC 60317) + Steel housing (IP20 protection)High conductivity and durability for long-term useSteel housing adds weight; not suitable for extreme corrosion scenarios
Safety FeaturesMedical/telecom equipmentGalvanic isolation (withstand 3kV voltage test) + CE certificationPrevents electrical shock and signal interferenceNo UL certification (Advanced tier may add this)
Size & PortabilityCompact devices (IoT sensors, drones)Base: 150x80x50mm (EI core)
Advanced: 120x70x40mm (Toroidal) ▲		Advanced version saves 30% space while maintaining performanceFixed size limits scalability for larger systems

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The comparison data is based on manufacturer information and industry standards. Actual results may vary depending on individual use cases. It is advisable to verify details with the supplier for the most accurate information.