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The ETD39 ferrite core transformer is a high-frequency, power-optimized component used in SMPS (switch-mode power supplies), DC-DC converters, and resonant transformers, typically handling power from tens to hundreds of watts. Featuring a 39mm core size designed for efficient thermal dissipation and high permeability, these cores are often made from soft ferrites like N27 or 3C90/3C94.
Key Features & Applications
- Designation: ETD (Electrical/Energy Transfer Design) 39/20/13.
- Optimal Frequency: Optimized for switching frequencies generally ranging from 50 kHz to 200 kHz+.
- Power Capability: Suitable for 200W+ applications (e.g., [Signal Transformer SLLC-ETD39-12] 12V 200W resonant transformer).
- Material: Made of manganese-zinc (MnZn) ferrites (e.g., 3C94) that reduce eddy current losses.
- Structure: Offers a large center leg area () for high power density and optimized winding window, allowing for better bobbin utilization.
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Web results
ETD39/20/13-3C90 - Transformer Cores
Newark Electronics
https://www.newark.com › ... › Transformer Cores
Newark Electronics
https://www.newark.com › ... › Transformer Cores
The ETD39/20/13-3C90 from Ferroxcube is an ETD ferrite core. It is optimized for use in SMPS transformers with switching frequencies between 50KHz and 200KHz.Read more
$1.12In stockFree delivery over $15060-day returns
Ferrites and accessories - ETD 39/20/13
TDK Electronics
https://www.tdk-electronics.tdk.com › inf › fer
TDK Electronics
https://www.tdk-electronics.tdk.com › inf › fer
PDF
As valid for any ceramic material, ferrite cores are brittle and sensitive to any shock, fast tempera- ture changing or tensile load. Especially high cooling ...Read more
11 pages
[4 pc] ETD39 Transformer Cores, Power Ferrite, 500mT ...
eBay
https://www.ebay.com › ... › Inductors, Coils & Filters
eBay
https://www.ebay.com › ... › Inductors, Coils & Filters
Case: ETD39. ETD39 Ferrite Cores. Low core loss ferrite. Each pair of cores is matched and marked from the factory, so the facing surfaces mate perfectly.
$23.09In stockFree delivery30-day returns
12% off on 2 items
ETD39/20/13-3C94 Ferroxcube | Ferrite Cores
DigiKey
https://www.digikey.com › ... › Ferrite Cores
DigiKey
https://www.digikey.com › ... › Ferrite Cores
Buy now, ships today. ETD39/20/13-3C94 - Uncoated 3C94 Ferrite Core ETD Type 1.575" (40.00mm) Length 0.504" (12.80mm) Width Diameter 0.780" (19.80mm) Height ...
$2.05In stock$4.99 delivery30-day returns
Wholesale High Quality ETD39 Magnetic Material Ferrite Core ...
Mycoiltech
https://www.mycoiltech.com › etd39-magnetic-material-f...
Mycoiltech
https://www.mycoiltech.com › etd39-magnetic-material-f...
ETD39 high frequency flyback transformers mainly for SPC exchanges,color TV,VCD,DVD,mobile charger,PC power,other electronic instruments.Our product number is ...
Ferrites and accessories - ETD 39/20/13
RS-online.com
https://docs.rs-online.com › ...
RS-online.com
https://docs.rs-online.com › ...
PDF
The magnetic properties of NiZn-materials can change irreversible in high magnetic fields. Processing notes. – The start of the winding process should be soft.Read more
ETD 39/20/13 Transformer Ferrite Cores
Careful Magnetism
http://www.careful.cn › News
Careful Magnetism
http://www.careful.cn › News
Oct 19, 2022 — Air gaps allow for more effective storage of magnetic energy in a ferrite core. ... High-Frequency Transformer Made with Amorphous Core Material.Read more
ETD ferrite core
Encyclopedia Magnetica
http://www.e-magnetica.pl › doku.php › etd_ferrite_core
Encyclopedia Magnetica
http://www.e-magnetica.pl › doku.php › etd_ferrite_core
Jan 7, 2015 — The ETD cores are widely used for transformers and inductors in higher power applications like power supplies from tens to thousands of watts.Read more
ETD39 High Frequency Transformer Ferrite Core SMPS
Golden Eagle Coil & Plastic Co., Ltd.
https://www.jyinductor.com › Products › Transformers
Golden Eagle Coil & Plastic Co., Ltd.
https://www.jyinductor.com › Products › Transformers
Specification name: ETD 39. List of materials: skeleton, magnetic core, enameled wire, insulating tape, epoxy resin glue, every vertical water, steel clip, ...Read more
Popular products
- Feryster Ti-ETD39-1131tme.com
Feryster Ti-ETD39-1131tme.com - Ferroxcube ETD39/20/13-3C94 FERRITE CORE ETD 3C94DigiKeyFerroxcube ETD39/20/13-3C94 FERRITE CORE ETD 3C94DigiKey
- [2 Pc] Etd39 Transformer Cores Gapped 0.06" 1.4mm, Power Ferrite, 2eBay - tevatronix[2 Pc] Etd39 Transformer Cores Gapped 0.06" 1.4mm, Power Ferrite, 2eBay - tevatronixFree delivery
- Epcos (Tdk) B66363G0000X127 Core Transformer, N27, Etd39/20/13 Rohs Compliant: Yes | Transformer CoresNewarkEpcos (Tdk) B66363G0000X127 Core Transformer, N27, Etd39/20/13 Rohs Compliant: Yes | Transformer CoresNewarkFree delivery on $150+
- Bel SLLC-ETD39-12 Audio Transformers / Signal TransformersMouser ElectronicsBel SLLC-ETD39-12 Audio Transformers / Signal TransformersMouser Electronics
- Ferroxcube ETD39-3C94tme.euFerroxcube ETD39-3C94tme.eu
- Signal Transformer SLLC-ETD39-12 RESONANT XFMR ETD39 12V 200WDigiKeySignal Transformer SLLC-ETD39-12 RESONANT XFMR ETD39 12V 200WDigiKey
- 1pcs For Harman Audio Transformer Etd39 Amplifier Transformer ArteBay - wangcai801pcs For Harman Audio Transformer Etd39 Amplifier Transformer ArteBay - wangcai80
Web results
Buy Ferrite Core ETD39 Customizable & High Permeability
Alibaba.com
https://www.alibaba.com › ... › Magnetic Materials
Alibaba.com
https://www.alibaba.com › ... › Magnetic Materials
These pot-core style ferrite transformers are ideal for switch-mode power supplies (SMPS), inductors, and high-frequency transformers. The "ETD" designation ...Read more