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PC40EE25

TDK
Part Number PC40EE25
Manufacturer TDK
Description Cores
Published Feb 19, 2009
Detailed Description (1/71) Ferrite For Switching Power Supplies www.DataSheet4U.com TECHNICAL DATA EI Cores (EI12.5 to EI60) EE Cores (EE1...
Datasheet PDF File PC40EE25 PDF File

PC40EE25
PC40EE25

Overview
(1/71) Ferrite For Switching Power Supplies www.
DataSheet4U.
com TECHNICAL DATA EI Cores (EI12.
5 to EI60) EE Cores (EE10/11 to EE62.
3/62/6) EER Cores (EER25.
5 to EER42/42/20) ETD Cores (ETD19 to ETD49) PQ Cores (PQ20/16 to PQ50/50) LP Cores (LP23/8 to LP32/13) RM Cores (RM4 to RM14) EPC Cores (EPC13 to EPC30) • All specifications are subject to change without notice.
002-02 / 20050114 / e148.
fm (2/71) EI Series EI12.
5 Cores(JIS FEI 12.
5) www.
DataSheet4U.
com 1.
6 Parameter Core factor Effective magnetic path length Effective cross-sectional area Effective core volume Cross-sectional center leg area Minimum cross-sectional 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.
48 21.
3 14.
4 308 11.
6 10.
8 17.
3 1.
9 12.
4 ± 0.
3 2.
3 5.
1± 0.
1 4.
85 ± 0.
15 4.
85 ± 0.
15 1.
5 ± 0.
1 Dimensions in mm 7.
4 ± 0.
1 1.
6 12.
4 ± 0.
3 2.
4 ± 0.
1 8.
8 – 0 Part No.
PC40EI12.
5-Z ∗ Coil: AL-value (nH/N2) 1200±25% (1kHz, 0.
5mA)∗ 2120 min.
(100kHz, 200mT) Core loss (W) at 100°C 100kHz, 200mT 0.
12 max.
Calculated output power (forward converter mode) 8.
8W (100kHz) ø0.
2 2UEW 100Ts NI limit vs.
AL-value for PC40EI12.
5 gapped core (Typical) Temperature: 100˚C AL-value vs.
Air gap length for PC40EI12.
5 core (Typical) Temperature rise vs.
Total loss for EI12.
5 core (Typical) (Ambient temperature: 25°C) 100 NI limit (AT) 10 2 40% 20% 10 2 Center leg gap Spacer gap Temperature rise of hot spot ∆T (˚C) AL-value(nH/N2) 50 101 1 10 10 2 A L-value (nH/N 2) 101 0.
1 Air gap length (mm) 1 0 0 0.
2 0.
4 0.
6 0.
8 Total loss Pm (W) 1 Note: NI limit shows the point where the exciting current is 20% and 40% away from its extended linear part.
Measuring conditions • Coil: ø0.
2 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...


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