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Horizontal EF20 flyback transformers are compact, high-frequency components commonly used in switching power supplies, LED drivers, and industrial equipment, typically managing power up to roughly 120W. These transformers use horizontal EF20 ferrite core bobbins, often in 4+4, 5+5, or 7+7 pin configurations for horizontal PCB mounting.
Key Features and Specifications:
- Dimensions: Core sizes are approximately 20mm x 20mm, with horizontal footprints often featuring a 15mm parallel distance and 3.8mm or 5.0mm pin pitches.
- Operating Frequency: Designed for high-frequency switching, often in the 20kHz - 500kHz range.
- Applications: Ideal for SMPS (Switching Mode Power Supplies), industrial converters, and audio-visual equipment.
- Materials: Frequently constructed with PBT or phenolic materials, with ferrite cores and Litz wire for high efficiency.
- Customization: Many suppliers, such as Mycoiltechand various sellers onAlibaba, offer custom winding and pin configurations.
Common Configurations:
- 4+4 Pins: Often used for basic, single-slot, or dual-slot configurations.
- 5+5 Pins: Commonly available horizontal type.
- Multi-section: High-voltage or multi-output designs may use multi-section bobbins for improved isolation.
These transformers are designed to optimize space in power supplies compared to vertical designs.
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Wholesale High Quality EF20 Flyback Transformer ...
Mycoiltech
https://www.mycoiltech.com › ef20-flyback-transformer...
Mycoiltech
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LED transformer bobbin. Horizontal EF20 bcoil former. Bobbin Size=20.0mmX19.8mmX15.6mm. Parallel Distance=15mm. Pin pitch=5.0mm. EF20 bobbin made of ...Read more
Wholesale High Quality Horizontal EF20 Flyback Transformers ...
Mycoiltech
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Mycoiltech
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ETD44 high frequency flyback transformer power range is 20~800W. Usage:DC converters,drive transformers,PFC inductors.Winding:Auto-transformer. ... EI14 audio ...
Electronic Horizontal EF20 Transformers for Versatile Uses
Alibaba.com
https://www.alibaba.com › ... › Transformers
Alibaba.com
https://www.alibaba.com › ... › Transformers
Designed with a horizontal mounting configuration, the EF20 transformer is ideal for applications where space and orientation are critical. These transformers ...
Flyback Transformer EF20 Horizontal And Vertical Type 1mH
Shaanxi Fullstar Electronics Co.,Ltd
https://www.xfullstartechs.com › News
Shaanxi Fullstar Electronics Co.,Ltd
https://www.xfullstartechs.com › News
Type: High-frequency transformer P/N: FTEF20 Horizontal Working Principle The high frequency transformer is the most important part of the switching power ...Read more
RoHS Electronic Pure Copper Vertical Horizontal SMPS Flyback ...
Transpower Electrical Equipment Co., Ltd.
https://m.sino-powers.com › showroom › rohs-electroni...
Transpower Electrical Equipment Co., Ltd.
https://m.sino-powers.com › showroom › rohs-electroni...
The transformer main body usually in nude, and the accessories are packed in plywood case with steel structure, it's worthy for ocean transportation.
EF16 EF20 EF25 High Frequency 220v 12v 1000w Flyback ...
Alibaba.com
https://www.alibaba.com › ... › Transformers old
Alibaba.com
https://www.alibaba.com › ... › Transformers old
Product name:EF Transformer;Operating frequency:20kHz - 500kHz;Output power:10W - 20W;Operating temperature:- 40℃~ + 125℃;Storage temperature:- 25℃~+ 85℃ ...
Ef20 4+2 Ef20 5+5 High Quality Mini Horizontal Type ...
Made-in-China.com
https://zjwealth.en.made-in-china.com › pUeYIGDHOJVd
Made-in-China.com
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Specifications: 1.Output:0.2W~2KW 2.Current:5A~1200A loads 3.ISO9001,RoHS approval 4.MOQ:1000piece. Features: 1. Custom designs availableRead more
$0.21In stockReview by MIC_BUYERFree delivery
Wholesale High Quality EF20 Ferrite Core Transformer ...
Mycoiltech
https://www.mycoiltech.com › ef20-ferrite-core-transfor...
Mycoiltech
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Wholesale high quality EF20 Ferrite Core Transformer at mycoiltech.com. Hefei Mycoil Technology Co.,Ltd. specialize in custom EF20 Ferrite Core Transformer ...
Flyback Transformer EF20 Horizontal E Vertical Tipo 1mH - Mostra ...
x-fullstartech.com
https://www.x-fullstartech.com › fl...
x-fullstartech.com
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Aplicação: O transformador de alta freqüência é além da freqüência de trabalho da freqüência intermediária (transformador de poder 10kHz, usado principalmente ...
