


EC, ETD, ER, EER are same core in different names
Material:
• MnZn soft ferrite(PC30, PC35, PC38, PC40, PC44, PC95, 3C96, 3F3, N87, N97, P4, P41, NC-2H, 2HM5)
Advantage:
• Economical
• Minimum winding resistance
• Optimum efficiency
• Standard channel for clamping on PCB and bobbins
Disadvantage:
• Expensive than E Core
• Productivity is less
Application:
• Power conditioning
• lighting
• Solar
• Differential inductors and power transformers
• EC printed circuit bobbins
Hot Item:
• EC2834, EC2510, EC2820, EC2828, EC2934, EC2928, EC3536, EC3643, EC3742, EC4243, EC4950, EC3115
Professional MnZn soft ferrite transformer ETD Core, EC Core, ER Core, EER Core manufacturer

| Type | Data Sheet | FIG | A | B | C | F | E | F | G | 重量(克/付) weight (g/set) |
|---|---|---|---|---|---|---|---|---|---|---|
| ETD28-34 | EC28-34 data sheet | 1 | 28.5±0.7 | 17.0±0.3 | 11.4±0.3 | 9.9±0.3 | 21.5min | 12.8±0.2 | 19.3min | 36.1 |
| ETD25-10 | EC25-10 data sheet.xlsx | 1 | 25.6±0.4 | 5.4±0.2 | 10.0±0.3 | 8.0±0.2 | 18.6min | 3.4±0.2 | 10.4 | |
| ETD28-20 | EC28-20 data sheet | 1 | 28.5±0.7 | 10.3±0.2 | 11.4±0.3 | 9.8±0.3 | 21.5min | 5.9±0.2 | 25 | |
| EC28-25 | EC28-25 data sheet | |||||||||
| ETD28-28 | EC28-28 data sheet | 1 | 28.5±0.7 | 14.0±0.2 | 11.4±0.3 | 9.9±0.2 | 21.5min | 9.8±0.3 | 19.3min | 30.2 |
| EC28-34 | EC28-34 data sheet | |||||||||
| ETD29-34 | EC29-34 data sheet | 1 | 29±0.7 | 17.0±0.2 | 11.35±0.3 | 9.8±0.2 | 22.1min | 12.8±0.2 | 36.4 | |
| ETD29-28 | EC29-28 PC44 data sheet | 1 | 29±0.4 | 14.3±0.2 | 11.35±0.3 | 9.8±0.2 | 22.1min | 9.9±0.2 | 31.2 | |
| EC29-35 | EC29-35 data sheet | |||||||||
| ETD35-36 | 1 | 34.5±0.4 | 18.2±0.2 | 11.3±0.3 | 11.3±0.3 | 25.6min | 12.2±0.2 | 48.9 | ||
| EC36-42 | EC36-42 data sheet | |||||||||
| ETD36-43 | EC36-43 PC95 data sheet | 1 | 36±0.5 | 21.5±0.2 | 11.3±0.3 | 11.3±0.3 | 27.8min | 15.5±0.2 | 54.4 | |
| ETD36-44 | EC36-44 data sheet | 1 | 36±0.5 | 21.9±0.2 | 11.3±0.3 | 11.3±0.3 | 27.8min | 15.9±0.2 | 54.6 | |
| ETD37 | 2 | 37.2±0.5 | 21.2±0.2 | 11.3±0.3 | 11.3±0.3 | 28.2min | 15.1±0.2 | 56.5 | ||
| EC39-45 | EC39-45 data sheet | |||||||||
| ETD42-43 | 1 | 42.2±0.5 | 21.8±0.2 | 15.0±0.3 | 15.0±0.3 | 30.3min | 15.6±0.2 | 100 | ||
| ETD49-50 | EC49-50 data sheet | 1 | 49.0±0.8 | 25.0±0.3 | 16.2±0.3 | 16.1±0.3 | 37.6min | 18.3±0.3 | 129 | |
| ETD54-56 | ETD54-56 data sheet | 1 | 54.0±0.5 | 28.0±0.3 | 18.9±0.3 | 18.9±0.3 | 41.2min | 20.3±0.3 | 189 | |
| ETD31 | 3 | 32.3±0.35 | 12.3±0.2 | 20.30±0.35 | 13.25±0.15 | 27.2min | 9.35±0.2 | 42.5 |
| EE CORE | PQ CORE | ETD EC ER EER CORE | EFD CORE | EPC CORE |
|---|---|---|---|---|
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EC ferrite cores also called ER core, EER core, ETD core, offer advantages in electronic applications:
The choice of ETD Core, EC Core, ER Core depends on specific application needs, with different materials and geometries tailored for different purposes.
Feiteng simplifies your ferrite ETD Core, EC Core, ER Core, EER Core needs. We’re here to offer you cost-effective, customizable solutions with a focus on quality, reliability, and your satisfaction. Contact us today to explore how we can work together.

| EE Ferrite Core Transformer | PQ Ferrite Core Transformer | EC Ferrite Core Transformer | EFD Ferrite Core Transformer | EPC Ferrite Core Transformer |
|---|---|---|---|---|
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A ETD ferrite core low voltage transformer uses ferrite as its core material. Ferrite, a ceramic with magnetic properties, is ideal for transformers due to low losses and high permeability, especially at high frequencies. The core efficiently transfers energy via magnetic induction. It offers a low reluctance path for magnetic flux, minimizing losses. Ferrite core transformers are vital in electronics like power supplies, audio, and telecom, prioritizing size, weight, and efficiency. They excel in high-frequency applications like switch-mode power supplies and RF circuits.
Ferrite ETD Core, EC Core, ER Core, EER Core low voltage transformer find applications in various electronic devices and industries, including:
Overall, ferrite core low voltage transformer is versatile components. It’s essential for power conversion, signal processing, and voltage regulation across a wide range of industries and electronic applications.
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