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EF15 or EFD15 bobbins are specialized components used for winding high-frequency transformer coils, commonly in switching power supplies (SMPS), LED drivers, and DC-DC converters. These bobbins are designed to hold ferrite cores and are available in various pin configurations and mounting types.
Key Specifications for EFD15/EF15 Bobbins:
- Structure: Available as Horizontal or Vertical mounting.
- Pin Configurations: Commonly found in 4+4, 5+5, 6+6, or 4+5 (4 pins on one side, 5 on the other) setups.
- Material: Phenolic (UL 94V-0) is standard, ensuring flame retardancy and high thermal resistance.
- Dimensions: Typical size is roughly
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4 5 Pins Ef15 Bobbin
Mycoiltech
https://www.mycoiltech.com › 4-5-pins-ef15-bobbin_sp
Mycoiltech
https://www.mycoiltech.com › 4-5-pins-ef15-bobbin_sp
Horizontal EE65 bobbin 8+8 pins. Bobbin Size=51.5mmX43.7mmX54.8mm. Parallel Distance=44.5mm. Pin pitch=5.0mm. Good quality EE65 encapsulated transformer, ...
EFD15-EFD30 Bobbins for LLC Converters | 4kV Hi-Pot ...
CB Technology Industrial Co., Limited
https://www.custom-magnetics.com › efd-bobbins
CB Technology Industrial Co., Limited
https://www.custom-magnetics.com › efd-bobbins
Medical-grade EFD bobbins with 4000V dielectric strength, compatible with TDK/EPCOS ferrite cores. UL94V-0 flame-retardant PBT, 30% glass-fiber reinforced.
Wholesale High Quality EF15 Horizontal Bobbin ...
Mycoiltech
https://www.mycoiltech.com › ef15-horizontal-bobbin_sp
Mycoiltech
https://www.mycoiltech.com › ef15-horizontal-bobbin_sp
Bobbin Size=35.3mmX19.0mmX34.8mm. Pin pitch=5.08mm. Parallel Distance=15.24mm. SMPS transformer has small size, high power and low cost, we design and ...
CPHS-EFD15-1S-10P Ferroxcube
DigiKey Greece
https://www.digikey.gr › products › detail › ferroxcube
DigiKey Greece
https://www.digikey.gr › products › detail › ferroxcube
Buy now, ships today. CPHS-EFD15-1S-10P - Supplier Device Package EFD 15 x 8 x 5 from Ferroxcube. View datasheets, pricing and availability from DigiKey ...
Web results
EFD15 Transformer Bobbin - Horizontal 10 Pin
QuartzComponents
https://quartzcomponents.com › products › ef15-transfor...
QuartzComponents
https://quartzcomponents.com › products › ef15-transfor...
The EF15 Transformer Horizontal Bobbin (10 Pin) is designed for compact and high-frequency transformers used in switch-mode power supplies (SMPS) and DC-DCÂ ...
China EF15-10 transformer bobbin Manufacturer and Supplier
xgelectronics.com
https://www.xgelectronics.com › ef15-10-vertical-322-...
xgelectronics.com
https://www.xgelectronics.com › ef15-10-vertical-322-...
Shop the EF EF15-10 vertical transformer bobbin for SMD transformers. This 3+2+2 pin plastic bobbin is perfect for your electronic projects.
EF Bobbin
Xuyi Ouge Electronic Co.,Ltd
https://www.ougedianzi.com › productdetails
Xuyi Ouge Electronic Co.,Ltd
https://www.ougedianzi.com › productdetails
EF Bobbin · 1.Place of Origin: zhejiang, China (Mainland) · 2.Brand Name:OUGE · 3.Type: Horizontal,Vertical,SMD,DIP · 4.Material: Phenolic/PET/PBT · 5.Phenolic No: ...Read more
China SMD Bobbin Manufacturers, Suppliers, factory
Shaanxi Gold-Stone Electronics Co.,Ltd
https://www.gsmagnetics.com › ... › SMD Bobbin
Shaanxi Gold-Stone Electronics Co.,Ltd
https://www.gsmagnetics.com › ... › SMD Bobbin
Shaanxi Gold-Stone Electronics Co.,Ltd is one of the leading smd bobbin manufacturers and suppliers, welcome to buy high quality smd bobbin.Read more
10 Pin Slim Coil Former for Compact SMPS & LED Drivers
PCBVerse
https://pcbverse.com › product › efd15-transformer-bo...
PCBVerse
https://pcbverse.com › product › efd15-transformer-bo...
This EFD15 bobbin features a 10-pin layout and low-profile horizontal design, making it ideal for use in space-saving transformer applications such as LEDÂ ...