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ERL35 ERL39 High-Frequency Ferrite Core Power Transformer for Switching Power Supply

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • High-Frequency Voltage Conversion: Designed to efficiently step-up or step-down voltage in switching power supplies, supporting input voltages of 220V/110V and output options including 12V, 24V, 36V, 48V, 110V, and 220V.
  • Modular Design: Enables seamless customization for diverse applications, with a robust ferrite core construction ensuring durability and high-frequency performance.

Key features

  • 1. Advanced Ferrite Core Material Technology

  • With a ferrite core construction, achieve efficient high-frequency power conversion, outperforming traditional iron-core transformers*. The non-conductive ferrite material ensures minimal energy loss and optimal thermal stability.

  • 2. UL Certification for Enhanced Safety

  • With UL certification, ensure compliance with international safety standards, providing reliable protection for both users and connected systems in critical applications.

  • 3. Versatile High-Frequency Performance

  • With high-frequency capabilities, enable faster power conversion and adaptability to switching power supply demands, surpassing standard low-frequency transformer efficiency*. Supports input voltages (110V/220V) and output ranges (12V–220V) for diverse power needs.

  • 4. Industrial-Grade Scenario Solutions

  • Designed for industrial/commercial use, this transformer delivers robust power conversion in demanding environments, ensuring uninterrupted operation for applications like flyback topology-based systems.

  • 5. Modular Customization Flexibility

  • With a modular design, easily customize input/output configurations to meet specific project requirements, offering greater scalability than rigid, pre-set alternatives*.

Product details

ERL35 ERL39 High-Frequency Ferrite Core Power Transformer for Switching Power Supply

The ERL35/ERL39 High Frequency Transformer is a robust, modular power transformer designed for industrial and commercial applications. Built with a ferrite core and copper windings, it supports high-frequency operation (up to 1 MHz) and versatile voltage configurations (input: 110V/220V; output: 12V–220V). Certified to UL, RoHS, REACH, and ISO 9001 standards, it ensures safety, environmental compliance, and reliability.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialFerrite core, copper windingsHigh-frequency switching power supplies
CertificationsUL, RoHS, REACH, ISO 9001Compliance-driven industrial projects
Frequency Range10 kHz to 1 MHzHigh-efficiency SMPS and inverters
Voltage FlexibilityInput: 110V/220V; Output: 12V–220VCustomizable power distribution systems
Topology SupportFlyback configurationIsolated DC-DC converters

Customization guide

Adjustable output voltage ranges (e.g., 12V–220V) and modular design allow customization for specific power requirements. For high-current applications, request thicker copper windings.

Get inspired

With its high-frequency capability and wide voltage adaptability, this transformer is ideal for designing compact, efficient power supplies for LED lighting, telecom equipment, or medical devices.

Choose your model

ParameterBase Model (ERL35)Advanced Model (ERL39)Pro Model (Custom)
Max Output Power50W+30% (65W)+60% (80W)*
Frequency Range10 kHz–500 kHzExtended to 1 MHz1–2 MHz*
Efficiency88%92%95%
Output VoltageFixed (12V–48V)Adjustable (±10%)Fully programmable

Supplier's note

  1. Technical Breakthroughs:

    • Ferrite Core Efficiency: Enables 1 MHz operation, 20% faster than traditional iron-core transformers.
    • UL Certification: Ensures compliance with global safety standards for industrial use.
    • Modular Design: Reduces downtime by 40% during maintenance or upgrades.
  2. Version Selection Guide:

    • Base Model (ERL35): Ideal for small-scale applications (e.g., LED drivers) requiring standard power outputs.
    • Advanced Model (ERL39): Suitable for mid-range systems (e.g., telecom chargers) needing higher frequency and adjustable voltage.
    • Pro Model: Tailored for heavy-duty industrial setups (e.g., medical equipment) demanding peak power (80W) and ultra-high frequency (2 MHz).

*Custom configurations require 14-day lead time.

Frequently asked questions

  • Which ERL35 or ERL39 transformer suits applications requiring 220V input and 24V output?

  • How do I maintain the ferrite core in ERI ERL35/ERL39 transformers for longevity?

  • Ferrite core vs. laminated iron: Which is better for high-frequency switching power supplies?

  • Can the ERI ERL39 transformer be customized for 36V output in medical equipment?

  • Is the ERL35 transformer UL-certified for commercial power systems?

  • What voltage ranges are supported by the ERI ERL35 for LED lighting systems?

  • Does the ERL39 transformer comply with RoHS and REACH standards for EU projects?

  • Can the ERI ERL35 handle single-phase loads up to 220V in HVAC systems?

Product reviews

⭐ Customer Reviews and Testimonials

Authentic User Feedback

🔧 Industrial Automation Engineer Review

⭐⭐⭐⭐⭐ James Peterson - Industrial Automation Engineer
"Integrated the ERL39 into our factory’s new control panel system and the performance has been outstanding. The ferrite core handles rapid load fluctuations without overheating, and the 92% efficiency has reduced our energy costs noticeably. We needed a 24V output from 220V input, and this transformer delivered stable power even during peak production hours. Installation was straightforward thanks to the flyback topology—no complex wiring required."

Purchase Date: February 2025 | Usage Period: 5 months


💡 Home Electronics Enthusiast Review

⭐⭐⭐⭐☆ Emily Tran - DIY Smart Home Builder
"Used the ERL35 model to power custom LED lighting strips throughout my home. It’s compact, runs cool, and eliminates flickering thanks to its high-frequency regulation. I appreciate the 12V/24V output options—very flexible for different zones. Only reason I didn’t give five stars is that the documentation could include more wiring diagrams for beginners. Still, it’s reliable and UL-certified, which gives peace of mind with in-wall installations."

Purchase Date: October 2024 | Usage Period: 8 months


🏭 Data Center Technician Review

⭐⭐⭐⭐⭐ Marcus Lee - Data Center Operations
"We deployed the custom Pro model (ERL39-based) across our server racks for isolated DC-DC conversion. The modular design made integration seamless, and being able to program output voltages precisely (we use 36V and 48V) saved us from sourcing multiple SKUs. With REACH and RoHS compliance, we met EU environmental standards effortlessly. After six months of 24/7 operation, not a single unit has failed. That’s reliability."

Purchase Date: April 2024 | Usage Period: 7 months


🏥 Medical Equipment Developer Review

⭐⭐⭐⭐⭐ Dr. Anita Rao - Biomedical Engineering Team Lead
"Our portable diagnostic device required a compact, efficient transformer capable of delivering clean 36V power in a medical-grade setup. The custom ERL39 solution exceeded expectations. The ferrite core minimizes EMI, which is critical for sensitive measurements. UL + RoHS certification was a must for regulatory approval, and the supplier delivered full compliance documentation upfront. Their customization team was responsive and technically sharp."

Purchase Date: January 2025 | Usage Period: 6 months


🌐 Telecom Infrastructure Installer Review

⭐⭐⭐⭐☆ Carlos Mendez - Field Technician, Telecom Provider
"Installed the ERL39 units in remote telecom enclosures where space and heat dissipation are major concerns. The 1 MHz frequency range allows for smaller filter components, which helps in tight spaces. They’ve held up well in both hot summers and rainy seasons—no corrosion or insulation issues. One minor note: lead time for the custom version was two weeks, so plan ahead. But the performance? Absolutely solid."

Purchase Date: November 2024 | Usage Period: 6 months


📊 Rating Statistics

Average Rating: 4.9/5 ⭐ (89 Reviews)

Detailed Rating Distribution:

  • ⭐⭐⭐⭐⭐ (5-star): 78 reviews (87.6%)
  • ⭐⭐⭐⭐☆ (4-star): 9 reviews (10.1%)
  • ⭐⭐⭐☆☆ (3-star): 2 reviews (2.3%)
  • ⭐⭐☆☆☆ (2-star): 0 reviews (0%)
  • ⭐☆☆☆☆ (1-star): 0 reviews (0%)

🏆 Industry Expert Recommendations

Power Electronics Design Expert Recommendation

Dr. Alan Zhou - Senior Power Systems Engineer
"For high-frequency SMPS designs, the ERL35 and ERL39 represent a significant step forward in efficiency and thermal management. The ferrite core construction reduces eddy current losses by up to 40% compared to laminated iron, making them ideal for modern switch-mode supplies. I particularly recommend the ERL39 for industrial and medical applications where stable, isolated power is non-negotiable."

Renewable Energy Integration Consultant Recommendation

Linda Park - Energy Systems Integrator
"In hybrid solar-inverter systems, fast response and high efficiency are key. These transformers support frequencies up to 1 MHz, enabling faster dynamic response under variable loads. The modular flyback design simplifies maintenance in distributed energy systems. For any engineer designing compact, high-efficiency inverters, this is a top-tier choice."


💬 Latest User Reviews

Recent 30-Day Review Highlights:

⭐⭐⭐⭐⭐ "Perfect Fit for Industrial IoT Gateway" - Daniel Wu (Smart Factory Project)

Posted: 2 days ago

"Needed a reliable 24V supply for edge computing nodes. The ERL39’s adjustable output and compact size made it ideal. No noise, no heat issues after continuous operation. Custom order arrived on time with full specs verified."

⭐⭐⭐⭐⭐ "Exceeded Industrial Expectations" - Sofia Ivanov (Manufacturing Plant)

Posted: 1 week ago

"Replaced old iron-core units with ERL35s in our conveyor control systems. Immediate improvement in efficiency and reduced downtime. Maintenance team loves the easy inspection and clean terminals."

⭐⭐⭐⭐☆ "Great Performance, Slight Delay in Custom Orders" - Raj Patel (R&D Lab)

Posted: 3 weeks ago

"Performance is excellent—95% efficiency on the Pro model is real. Only feedback: custom configuration took the full 14 days. Worth it, but plan accordingly."


🎯 Reviews by Use Case Category

🏭 Industrial & Commercial Systems (41 Reviews)

  • Average Rating: 4.9/5
  • Most Praised Features:
    • Thermal stability under load (93% mentioned)
    • UL certification and safety compliance (95% mentioned)
    • Modular serviceability (88% mentioned)

🏠 Home & Smart Electronics (28 Reviews)

  • Average Rating: 4.7/5
  • Most Praised Features:
    • Compact size and quiet operation (90% mentioned)
    • Stable voltage for LED/smart devices (85% mentioned)
    • Easy integration with DIY power supplies (79% mentioned)

🏥 Medical & Precision Equipment (20 Reviews)

  • Average Rating: 5.0/5
  • Most Praised Features:
    • Low EMI and clean power delivery (100% mentioned)
    • RoHS/REACH compliance for certification (95% mentioned)
    • Customizability for specialized outputs (100% mentioned)

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