PC44EPC25B-Z datasheet(30/45 Pages) TDK

30 / 45 page

(29/44)

002-03 / 20100305 / e143.fm

• All specifications are subject to change without notice.

EPC Series EPC10 Cores

∗ Coil: ø0.1 2UEW 100Ts

NI limit vs. AL-value for

AL-value vs. Air gap length for

Temperature rise vs. Total loss for

PC44EPC10 gapped core (Typical)

PC44EPC10 core (Typical)

EPC10 core (Typical)

(Ambient temperature: 25°C)

PARAMETER

Core factor

mm–1

1.89

Effective magnetic path length

emm

17.8

Effective cross-sectional area

mm2

9.39

Effective core volume

mm3

167

Cross-sectional center pole area

mm2

8.73

Minimum cross-sectional area

cp min. mm2

8.13

Cross-sectional winding area of core

Acw

mm2

7.69

Weight (approx.)

g1.1

7.6min.

10.2

±0.2

5.0

±0.1

5.3min.

2.65

±0.1

4.05

±0.1

Dimensions in mm

Part No.

AL-value (nH/N2)∗

Core loss (W) max.

Calculated output power

(forward converter mode)

100kHz, 200mT

PC44EPC10-Z

1000±25% (1kHz, 0.5mA)

0.072(100°C)

5.4W (100kHz)

PC90EPC10-Z

900±25% (1kHz, 0.5mA)

0.090(100°C)

5.4W

PC95EPC10-Z

1040±25% (1kHz, 0.5mA)

0.100/0.080/0.100(25°C/80°C/120°C)

5.6W

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)

102

103

AL-value(nH/N2)

103

104

102

101

Temperature: 100˚C

40%

20%

NI20%=1465×AL–0.843

NI40%=1453.7×AL–0.8318

104

103

102

101

Air gap length(mm)

0.01

0.10

Center pole gap

Temperature: 25˚C

AL=21.488×lg –0.6799

100

Total loss Pm(W)

0.5

Measuring point

Coil

Core

Note: NI limit shows the point where the exciting

current is 20% and 40% away from its

extended linear part.

Measuring conditions • Coil: ø0.1 2UEW 100Ts

• Frequency: 1kHz

• Level: 0.5mA

PC44EPC25B-Z Datasheet(PDF) 30 Page - TDK Electronics

PC44EPC25B-Z Datasheet(HTML) 30 Page - TDK Electronics

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45

Datasheet Download

Link URL