Ferrite transformer

EFD

EFD25

EPCOS B66421G0000X197 Transformer Cores, Half Core, EFD25, N97, 57 mm, 58 mm², Farnell €0.937 EPCOS B66422W1010D001 Transformer Coil Former, 10 Pin, EFD25, Farnell €1.37

• EPCOS B66422B2000X000 Transformer Clip, EFD25, Farnell €0.349

EFD10

• FERROXCUBE EFD10-3F3-S Transformer Cores, Full Core, EFD, EFD10, 3F3, 23.7 mm, 7.2 mm², Farnell €1.83

ETD29

File:ETD29-1.jpg File:ETD29-2.jpg

Purchase

• FARNELL EPCOS - B66358GX197 - FERRITE CORE, HALF, ETD29, N97
  • EPCOS ETD29/16/10 PDF
• EPCOS - B66363GX197 - FERRITE CORE, HALF, ETD39, N97
  • EPCOS ETD39/20/13 PDF

Understanding Specifications

• datasheet archive ETD29 N27

Abstract: 
inductor RMS current (A) BMAX = saturation limited flux density (T) (power ferrites like N27 or N67 have , calculated from the winding cross section and core cross section. 

For example, the ETD29 core with ferrite material N27 from EPCOS has a winding cross section of 97 mm2 and a core cross section of 71 mm 2. 
Maximum flux density for the N27 is 0.3 T. 
Equation 37 AP = A N A MIN AN = winding cross section (mm2 , the inductance factor AL, which depends on air gap, in the product datasheets.

WE FLEX

• WE-FLEX+ Flexible Transformer for DC/DC Converter

3D model

SOLIDCAM, Etd29 tranformer assembly, at Grabcad