


Application scope: filter blocking
Type: High frequency transformer
Model: EFD15, EFD20, EFD25, EFD30
Package form :High frequency transformer
Winding form: Multi-layer flat wound
Magnetic properties: ferrite core
Core shape: EFD shape
Working frequency: High and low frequency
Installation method: DIP plug-in
Skeleton material: Bakelite
Quality factor Q: 1~100
Inductance: 1~4700uH
Allowable error: ±5~20%
Sensitivity XL: 0(Ω)
Rated current: 10~4500(mA)
Distributed capacitance: 0(F)
Nominal voltage: 0(V)
Minimum number of packages: 1000
Video Of Professional EFD Ferrite Core High Frequency Transformer For Charging Pile Manufacturer:
We have complete production line of high frequency ferrite core transformer, here are different machines:
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|---|---|---|---|
| automatic winding machine | full-automatic winding machine | small winding machine | automatic wire winding machine |
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| soldering machine | painting machine | oven machine | core instal machine |
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| In-process inspection machine 01 | In-process inspection machine 02 | finished product testing machine | production line |
| Type | A | B | C | D | E | F | G | Weight | (C1(mm-1) | Ae (mm²) | Le(mm) | Ve(mm³) | Material | AL±25% (nH/N²) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| EFD10.5 | 13.2±0.2 | 5.35±0.2 | 6.7±0.2 | 4.25±0.2 | 1.4±0.2 | 10.15min | 3.8±0.2 | 3.5 | 1.357 | 19.86 | 27.26 | 543.4 | FTP4 | 1500 |
| EFD15-T | 15.0±0.3 | 7.5±0.2 | 4.65±0.2 | 5.3±0.2 | 2.3±0.2 | 10.7min | 5.66±0.2 | 3.3 | 2.3 | 14.6 | 34 | 498 | FTP4 | 900 |
| EFD15/14A | 15.0±0.4 | 7.3±0.2 | 4.8±0.2 | 5.2±0.2 | 2.3±0.2 | 10.4min | 5.4±0.2 | 3.2 | 2.44 | 13.17 | 32 | 423 | FTP4 | 850 |
| EFD16 | 16.50±0.2 | 7.60±0.2 | 4.90±0.2 | 5.90±0.2 | 2.3±0.2 | 12.80min | 5.80±0.2 | 3.3 | 2.41 | 15.46 | 37.2 | 576 | FTP4 | 900 |
| EFD18 | 17.60±0.2 | 7.60±0.2 | 6.3±0.2 | 7.5±0.2 | 3.7±0.2 | 13.0min | 5.8±0.2 | 3.8 | 1.38 | 26.47 | 36.7 | 972 | FTP4 | 1200 |
| EFD20-T | 20.5±0.2 | 10.3±0.2 | 6.65±0.2 | 8.9±0.2 | 3.7±0.2 | 15.6min | 8.0±0.2 | 8.4 | 1.47 | 32 | 47 | 1520 | FTP4 | 1450 |
| EFD21-T | 21.2±0.2 | 10.3±0.2 | 6.75±0.2 | 8.9±0.2 | 3.6±0.2 | 15.9min | 7.7±0.2 | 8.5 | 1.6 | 29.87 | 48 | 1434.1 | FTP4 | 1250 |
| EFD25-T | 25.0±0.4 | 12.5±0.2 | 8.9±0.2 | 11±0.2 | 5.4±0.2 | 19min | 9.6±0.2 | 18.2 | 1.19 | 48.2 | 57.5 | 2773 | FTP4 | 1700 |
| EFD25.6-T | 25.58±0.4 | 12.5±0.2 | 8.95±0.2 | 11.2±0.2 | 5.2±0.2 | 19.5min | 9.6±0.2 | 18.6 | 1.01 | 54.06 | 58.86 | 3182.5 | FTP4 | 2000 |
| EFD26 | 26.4±0.4 | 12.5±0.2 | 9.1±0.2 | 11.4±0.2 | 5.2±0.2 | 19.9min | 9.3±0.2 | 18.8 | 1.1 | 56.4 | 60 | 3384.4 | FTP4 | 2000 |
| EFD30-T | 30±0.6 | 15.5±0.2 | 9.0±0.2 | 14.6±0.2 | 4.9±0.2 | 23.1min | 11.6±0.2 | 26.4 | 1.08 | 65.9 | 71.3 | 4698 | FTP4 | 2100 |
| EFD31-T | 31.40±0.5 | 15.3±0.2 | 9.1±0.3 | 14.6±0.25 | 4.9±0.2 | 24.8min | 11.5±0.2 | 26.3 | 1.1 | 65.1 | 71.6 | 4664.4 | FTP4 | 2200 |
| EFD34 | 33.7±0.6 | 20±0.2 | 9.9±0.3 | 12.2±0.3 | 4.9±0.2 | 27.0min | 15.5±0.2 | 36.5 | 0.92 | 83.3 | 77.3 | 6444 | FTP4 | 2450 |
| EFD40 | 40.0±0.6 | 21.5±0.2 | 10.0±0.2 | 18.2±0.3 | 4.9±0.2 | 33.5min | 16.8±0.2 | 44.6 | 1.08 | 104 | 112.6 | 11710.2 | FTP4 | 2200 |
| EFD50 | 50.0±1.0 | 25.5±0.3 | 8.1±0.3 | 26.1±0.3 | 4.0±0.2 | 36.3min | 18.8±0.2 | 68.3 | 0.5 | 257.8 | 129.6 | 33415.7 | FTP4 | 4500 |
| EFD65-SLJ | 65±0.5 | 29.4±0.5 | 13.9±0.4 | 29.9±0.2 | 8.6±0.2 | 46.5min | 19.4±0.4 | 97 |

| EE CORE | PQ CORE | ETD EC ER EER CORE | EFD CORE | EPC CORE |
|---|---|---|---|---|
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| click to see more details | click to see more details | click to see more details | click to see more detials | click to see more detials |
| EE Ferrite Core Transformer | PQ Ferrite Core Transformer | EC Ferrite Core Transformer | EFD Ferrite Core Transformer | EPC Ferrite Core Transformer |
|---|---|---|---|---|
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| click to see more | click to see more | click to see more | click to see more | click to see more |
A ferrite core 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 core ETD transformer find applications in various electronic devices and industries, including:
Overall, ferrite core transformers are versatile components essential for power conversion, signal processing, and voltage regulation across a wide range of industries and electronic applications.
Advantages of EFD Ferrite Core High Frequency Transformer For Charging Pile include:
Feiteng simplifies your Ferrite Core, Bobbin, EFD Ferrite Core High Frequency Transformer For Charging Pile 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.
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