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EFD15 Phenolic bobbins are high-frequency transformer components designed for efficient PCB mounting, featuring durable, heat-resistant phenolic material (UL 94V-0) and multiple pin configurations (typically 4+4, 5+5, or 6+6). These horizontal, compact, or surface-mount (SMD) bobbins provide electrical insulation for components used in power supplies, DC converters, and LED drivers.
Key Features and Options
- Material: Phenolic (high dielectric strength, thermal stability).
- Pin Configuration: Common configurations include 4+4 pins, 2+4 pins, 5+5 pins, and 6+6.
- Mounting Type: Horizontal and SMD.
- Applications: Auxiliary power supply transformers, DC converters, and LED drivers.
- Design: 1-section or multi-section options available, often with CP wire pins.
Commonly Available EFD15 Bobbin Types
- 4+4 Pin Horizontal (Mycoiltech): Horizontal bobbin, phenolic material, pin pitch 2.5mm or 3.75mm.
- 5+5 Pin Horizontal (Mycoiltech): Often used for more complex winding, measuring 42.0mm x 25.5mm x 13.5mm or smaller custom sizes.
- 2+4 Pin (Transformer-Bobbin.com): F1509 model using phenolic PM9630.
- 6+6 Pin SMD (Mycoiltech): High power SMT type with a 2.5mm pin pitch.
Industry Standards & Manufacturers
- Material: Frequently UL 94V-0 rated phenolic, suitable for high-frequency applications.
- Suppliers: Mycoiltech (wide range of SMD/horizontal), CB-Magnetics, and Alibaba suppliers offer various custom EFD15 bobbins.
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Web results
Horizontal Bobbin EFD15 Phenolic Material With 5+5 Pins
Mycoiltech
https://www.mycoiltech.com › horizontal-bobbin-efd15-...
Mycoiltech
https://www.mycoiltech.com › horizontal-bobbin-efd15-...
Pin pitch2=3.5mm, Bobbin Size=42.0mmX25.5mmX13.5mm. EFD25 high frequency transformers widely used in electrical equipments, DC converters, medical equipments, ...Read more
EFD15 Horizontal Bobbin With 4+4 Pins Phenolic Material
Mycoiltech
https://www.mycoiltech.com › efd15-horizontal-bobbin-...
Mycoiltech
https://www.mycoiltech.com › efd15-horizontal-bobbin-...
EFD15 Horizontal Bobbin With 4+4 Pins Phenolic Material. 4+4 Pins Horizontal Bobbin,Phenolic Material,UL REC:94V-0. Pin pitch=2.5mm, Parallel ...Read more
EFD15 Transformer Bobbin (2+4Pin) F1509
transformer-bobbin.com
https://transformer-bobbin.com › efd15-transformer-bo...
transformer-bobbin.com
https://transformer-bobbin.com › efd15-transformer-bo...
Nov 5, 2021 — EFD15 Transformer Bobbin (2+4Pin). Model:F1509. Material: Phenolic PM9630. Pin Material: CP wire. 86 13862298767. sales@transformer-bobbin.Read more
EFD15 Bobbin, 4+4 Pins, 1 Section - CB-Magnetics
cb-magnetics.com
https://cb-magnetics.com › ... › EFD Bobbin
cb-magnetics.com
https://cb-magnetics.com › ... › EFD Bobbin
EFD15 Bobbin. 4+4 Pins, 1 Section. Material: Phenolic; Pin Material: CP Wire. Related products. Quick ViewQuick View · EE42 Bobbin, Horizontal, 7+7 Pins, ...Read more
EFD
Ferriwo
http://www.ferriwo.com › Bobbins_view
Ferriwo
http://www.ferriwo.com › Bobbins_view
01, FWB1501-J · TH BOBBIN, EFD15, PHENOLIC ; 02, FWB1501-Y · TH BOBBIN, EFD15, PHENOLIC ...Read more
Efd15 Mobile Phone Bobbin with L Pin, Horizontal, Pin4+4
Made-in-China.com
https://ougeelectronic.en.made-in-china.com › product
Made-in-China.com
https://ougeelectronic.en.made-in-china.com › product
The feature: 1. EFD15 transformer bobbin in electronic components &supplies 2. Bobbin|transformer bobbin|coil bobbin 3. Bobbin material: PhenolicRead more
$0.01In stockFree delivery
Transformer Bobbin, 8 Pin, EFD15 RoHS Compliant: Yes
Newark Electronics
https://www.newark.com › ... › Transformer Coilformers
Newark Electronics
https://www.newark.com › ... › Transformer Coilformers
Transformer Bobbin, 8 Pin, EFD15 RoHS Compliant: Yes ; Quantity, Price ; 1+, $2.420 ; 10+, $1.820 ; 25+, $1.740 ; 50+, $1.660.Read more
In stockFree delivery over $15060-day returns
Ferrites and accessories - EFD 15/8/5
TDK Electronics
https://www.tdk-electronics.tdk.com › inf › fer
TDK Electronics
https://www.tdk-electronics.tdk.com › inf › fer
PDF
Coil former. Material: GFR thermosetting plastic (UL 94 V-0, insulation class to IEC 60085: F max.operating temperature 155 °C), color code black.Read more
Efd15 Transformer Bobbin(844)
Alibaba.com
https://www.alibaba.com › ... › Transformers
Alibaba.com
https://www.alibaba.com › ... › Transformers
The bobbin ensures precise coil alignment, provides electrical insulation between windings and the core, and enhances thermal stability. Made from various high-Â ...Read more
EFD15 horizontal 5+5 L-shaped pin four-slot smd plastic bobbin
xgelectronics.com
https://www.xgelectronics.com › efd15-horizontal-55-l-...
xgelectronics.com
https://www.xgelectronics.com › efd15-horizontal-55-l-...
Buy EFD15 horizontal 5+5 L-shaped pin four-slot smd plastic bobbin for your electronic applications. Quality design and durable construction. Order now!
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