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  • 10VA 20VA 30VA Step Down Transformer EI UI Core Low Frequency Encapsulated Transformer
  • 10VA 20VA 30VA Step Down Transformer EI UI Core Low Frequency Encapsulated Transformer
  • 10VA 20VA 30VA Step Down Transformer EI UI Core Low Frequency Encapsulated Transformer
  • 10VA 20VA 30VA Step Down Transformer EI UI Core Low Frequency Encapsulated Transformer
  • 10VA 20VA 30VA Step Down Transformer EI UI Core Low Frequency Encapsulated Transformer
  • 10VA 20VA 30VA Step Down Transformer EI UI Core Low Frequency Encapsulated Transformer
10VA 20VA 30VA Step Down Transformer EI UI Core Low Frequency Encapsulated Transformer

10VA 20VA 30VA Step Down Transformer EI UI Core Low Frequency Encapsulated Transformer

$0.80-$1.50/ Piece|50 Piece/Pieces(Min. Order)
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10VA 20VA 30VA Step Down Transformer EI UI Core Low Frequency Encapsulated Transformer

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Power Conversion: Designed to step down voltage from 230V AC to 9V AC, suitable for low-power electronic devices.
  • Insulation and Protection: Encapsulated in red plastic housing for enhanced safety and durability.

Key features

  • 1. Advanced Material Technology

    • With a robust red plastic housing and copper winding, this transformer ensures excellent insulation and durability, providing reliable performance in various applications.

  • 2. Interactive Design

    • With its compact, square-shaped design featuring rounded edges and mounting holes, you can easily integrate this transformer into your electronic projects, ensuring space efficiency and secure installation.

  • 3. Superior Performance Parameters

    • With a primary voltage of 230V AC and a secondary voltage of 9V AC, you can power a variety of electronic devices efficiently, making it suitable for both household and industrial environments.

  • 4. Versatile Scenario Solutions

    • With a high temperature rating of up to 70°C, you can confidently use this transformer in environments with elevated ambient temperatures, ensuring continuous and reliable operation.

  • 5. Certified Safety Standards

    • With CE, LVD, and EPR certifications, you can trust that this transformer adheres to strict safety, health, and environmental protection standards, making it a reliable choice for European markets.*

Product details

10VA 20VA 30VA Step Down Transformer EI UI Core Low Frequency Encapsulated Transformer

Introducing our 10VA 20VA 30VA Step Down Transformer, a versatile encapsulated transformer designed for low-frequency applications. This single-phase EI38 transformer is perfect for use in PCB mounting, offering reliable isolation and efficient power transformation in compact spaces.

Technical specifications

FeatureSpecificationBenefit
Primary Voltage230V AC, 50HzSuitable for standard household/industrial use
Secondary Voltage9V ACCompatible with various low-voltage devices
Power Rating1.8VAIdeal for low-power applications
Temperature RatingUp to 70°COperates efficiently in high-temperature environments
CertificationCE, LVD, EPRMeets European safety and environmental standards

Customization guide

Adjustable parameters include secondary voltage and power rating to meet specific low-power application needs.

Get inspired

With its compact design and robust construction, this transformer is perfect for electronic projects where space and power efficiency are paramount. Its high temperature rating ensures reliable performance even in demanding environments.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Power Rating10VA20VA [+15%]30VA [+30%]*
Temperature Rating60°C65°C [+8%]70°C [+16%]*

Supplier's note

The Pro version's high temperature rating, triple the industry standard, enables safe operation in high-heat scenarios. When paired with its encapsulated design, this creates unmatched reliability for industrial applications.

For users requiring enhanced durability and efficiency, the Advanced and Pro models offer increased power ratings and temperature resistance, making them suitable for more demanding environments.

Frequently asked questions

  • Which step-down transformer model suits small electronic devices?

  • How do I maintain and care for my encapsulated transformer?

  • What are the benefits of a copper winding in transformers?

  • Can I customize the transformer for specific applications?

  • Is the encapsulated transformer CE certified?

  • How does the plastic housing benefit the transformer?

  • What makes the EI38 transformer suitable for PCB mounting?

  • How does the low frequency characteristic enhance the transformer's performance?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Power TransformersHousehold and industrial usePrimary Voltage: 230V AC (standard household)Suitable for standard household voltage applicationsLimited to 230V environments
Secondary Voltage: 9V AC (common for electronics)Versatile for various electronics needing lower voltageOnly supports 9V secondary applications
Power Rating: 1.8VA (handles max 1.8 watts)Compact and energy-efficient for low-power devicesNot suitable for high-power applications
Temperature Rating: 70°C (high ambient capability)Reliable in high-temperature environmentsMay require additional cooling in extremely high temperatures
CE Certified (meets European standards)Safe, compliant for European marketsCertification may not cover non-European standards
Mounting: PCB compatible (easy integration)Secure and space-efficient mounting optionsRequires specific PCB configuration for mounting

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