Ei Ferrite Core Low Frequency Transformer

Providing with quality and standard customer-made electronic and passive components ei ferrite core low frequency transformer and solution products, Fullstar Electronics is a leading ei ferrite core low frequency transformer manufacturer and supplier in China. welcome to wholesale electronics ei ferrite core low frequency transformer from our factory.

EI ferrite core low frequency transformers are highly efficient, compact passive components designed for voltage transformation, electrical isolation, and power conversion in 50Hz/60Hz mains power circuits. Constructed with high-grade Mn-Zn ferrite cores and precision-wound copper coils, they deliver stable performance, low energy loss, and reliable operation for a vast range of electronic and electrical applications.

Core Features

• High-Quality Ferrite Core: Made of premium Mn-Zn ferrite material with high magnetic permeability, low core loss, and excellent anti-saturation properties, ensuring efficient energy transfer and minimal heat generation.
• Standard EI Series Sizes: Available in a complete range of models from EI24 to EI144, covering power ratings from 0.3VA up to 5000VA to meet diverse project requirements.
• High Efficiency & Low Loss: Optimized core and coil design delivers ≥90% conversion efficiency, low no-load current, and quiet operation (low noise).
• Superior Insulation: Class B/F insulation with high dielectric strength (up to 4000V AC), providing robust electrical isolation and enhanced safety.
• Compact & Durable: Robust encapsulated or open-frame construction, available in vertical PCB mount, horizontal chassis mount, or lead wire types for flexible installation.

• Customizable Specifications:

○ Input: 100V, 110V, 120V, 220V, 230V, 240V, 380V (50/60Hz)

○ Output: Dual/multi outputs from 3V to 600V (custom voltages available)

○ Windings: Single, dual, or multi-winding configurations

○ Compliance: RoHS, CE, ISO9001 certified

Typical Applications

• Consumer Electronics: Audio amplifiers, LED drivers, TVs, home appliances, and small power adapters.
• Industrial Equipment: Control panels, instrumentation, security systems, and factory automation.
• Lighting Systems: LED drivers, fluorescent ballasts, and low-voltage lighting transformers.
• Communication & Medical: Telecom power supplies, IGBT gate drivers, and low-power medical devices.
• Power Supplies: UPS systems, inverters, battery chargers, and AC/DC converters.

Advantages for Buyers

1. Cost-Effective: Economical mass-produced design with excellent performance-to-price ratio.
2. Reliable Performance: Stable voltage output, low temperature rise, and long service life.
3. Easy Integration: Standardized footprints and mounting options for seamless PCB/chassis design.
4. Low EMI: Reduced electromagnetic interference, ideal for noise-sensitive circuits.
5. Wide Compatibility: Works with global mains voltages (50/60Hz).

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