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Engineering Center SZL and LEPCOS
— General representative of Epcos AG by ferrite in the CIS
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Products » TDK ETD cores »

TDK ETD cores

ETD cores are applied in modern switched mode power supplies and power devices. Particularly they are ofen applied in cores od compact transformers operating in weak high-frequency fields.Among advantages of such ferrite forms one can mention:
  • easy mounting
  • compact design
  • easy winding
  • low cost
TDK produces a standard size range of ETD cores in PC47 material in accordance with modern standards (IEC 61185). In a set with cores additional accessories can be supplied:clamps, coilformers etc.
ферриты ETD фирмы TDK ETD TDK

Sizetypes of ETD cores

Sizetype A [mm] B [mm] C [mm] ØD [mm] E [mm] F [mm]
ETD 19 19.6±0.5 13.65±0.15 7.4±0.2 7.4±0.2 14.9±0.5 9.4±0.2
ETD 24 24.4±0.6 14.45±0.15 8.5±0.4 8.5±0.2 18.6±0.6 10.1±0.2
ETD 29 29.8±0.8 15.8±0.15 9.5±0.3 9.5±0.3 22.7±0.7 11.0±0.3
ETD 34 34.2±0.8 17.3±0.2 10.88±0.38 10.8±0.3 26.3±0.7 12.1±0.3
ETD 39 39.1±0.9 19.8±0.2 12.58±0.38 12.5±0.3 30.1±0.8 14.6±0.4
ETD 44 44.0±1.0 22.3±0.2 14.98±0.5 14.8±0.4 33.3±0.8 16.5±0.4
ETD 49 48.7±1.1 24.7±0.2 16.48±0.5 16.3±0.4 37.0±0.9 18.1±0.4

ETD cores produced by TDK

Sizetype Material Ordering code Al [nH/T²] ∑l/A
[mm-1]
le [mm] Ae [mm²] Ve [mm³]
Ungapped Gapped
ETD 19 PC47 PC47 ETD19-Z 1720±25% 80±5% 1.32 54.6 41.3 2260
160±7%
ETD 24 PC47 PC47 ETD24-Z 2125±25% 100±5% 1.10 61.9 56.3 3480
200±7%
ETD 29 PC47 PC47 ETD29-Z 2500±25% 200±5% 0.959 70.6 73.6 5200
400±7%
ETD 34 PC47 PC47 ETD34-Z 2780±25% 200±5% 0.810 78.6 97.1 7630
400±7%
ETD 39 PC47 PC47 ETD39-Z 3150±25% 200±5% 0.737 92.1 125 11500
400±7%
ETD 44 PC47 PC47 ETD44-Z 4000±25% 250±5% 0.589 103 175 18000
400±7%
ETD 49 PC47 PC47 ETD49-Z 4440±25% 250±5% 0.535 114 213 24300
400±7%

To check the presence of the cores and their accessories in stock

The structure of ordering code

The example of TDK code and determination in technical documentation:

Measurement unit — piece (half-piece).
PC47 ETD19 -Z — designation of ferrite core
PC47 — РС47 ferrite material .
ETD19 — form and sizetype of a core.
Z — AL value; Z - ungapped.

 
NORTH-WESTERN LABORATORY: NEWS
 
09.10 19 

LEPCOS invites you to attend the Stand C23 at ChipEXPO 2019 exhibition, which will be held from 16 to 18 October 2019 in Moscow in the Expocentre, in the pavilion "Forum".

chip_expo



26.06 19 
According to the results of 2018 Lepcos has received "best ferrites seller 2018" seal of excellence from TDK company.



18.04 19 
Dear colleagues! We would like to draw your attention to the fact that, since December 2018, the package content of electrolytic capacitors has been changed.



 
 


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