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EER25.5

TDK
Part Number EER25.5
Manufacturer TDK
Description (EER Series) Available Core
Published Apr 7, 2009
Detailed Description (25/71) www.datasheet4u.com EER Series EER25.5 Cores(JIS FEER 25.5A) 2.6 Parameter Core factor Effective magnetic pat...
Datasheet PDF File EER25.5 PDF File

EER25.5
EER25.5

Overview
(25/71) www.
datasheet4u.
com EER Series EER25.
5 Cores(JIS FEER 25.
5A) 2.
6 Parameter Core factor Effective magnetic path length Effective cross-sectional area Effective core volume Cross-sectional center pole area Minimum cross-sectional center pole area Cross-sectional winding area of core Weight (approx.
) C1 e Ae Ve Acp Acp min.
Acw mm–1 mm mm2 mm3 mm2 mm2 mm2 g 1.
08 48.
2 44.
8 2160 44.
2 42.
4 79.
4 11 ø7.
5 ± 0.
15 25.
5 ± 0.
5 6.
2 ± 0.
2 9.
3 ± 0.
2 Dimensions in mm 2.
6 7.
5 ± 0.
2 19.
8 – 0 Part No.
PC40EER25.
5-Z ∗ Coil: AL-value (nH/N2) 1920±25% (1kHz, 0.
5mA)∗ 2910 min.
(100kHz, 200mT) Core loss (W) at 100°C 100kHz, 200mT 0.
98 max.
Calculated output power (forward converter mode) 87W (100kHz) ø0.
35 2UEW 100Ts NI limit vs.
AL-value for PC40EER25.
5 gapped core (Typical) Temperature: 100˚C 10 3 AL-value vs.
Air gap length for PC40EER25.
5 core (Typical) 10 3 Temperature rise vs.
Total loss for EER25.
5 core (Typical) (Ambient temperature: 25°C) 100 Temperature rise of hot spot ∆T (˚C) AL-value(nH/N2) Center pole gap NI limit (AT) 10 2 50 40% 10 2 20% 10 2 10 3 A L-value (nH/N 2) 101 0.
1 Air gap length (mm) 1 0 0 0.
5 1 1.
5 Total loss Pm (W) 2 2.
5 Note: NI limit shows the point where the exciting current is 20% and 40% away from its extended linear part.
Measuring conditions • Coil: ø0.
35 2UEW 100Ts • Frequency: 1kHz • Level: 0.
5mA Note: The temperature rise is measured in the room whose temperature and humidity are fixed to 25°C and 45(%)RH.
respectively.
(approx.
400×300×300cm) Measuring point Core Coil • All specifications are subject to change without notice.
002-01 / 20040913 / e148.
fm (26/71) www.
datasheet4u.
com EER Series EER28 Cores(JIS FEER 28.
5A) 3.
4 Parameter Core factor Effective magnetic path length Effective cross-sectional area Effective core volume Cross-sectional center pole area Minimum cross-sectional center pole area Cross-sectional winding area of core Weight (approx.
) C1 e Ae Ve Acp Acp min.
Acw mm–1 mm mm2 mm3 mm2 m...


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