Specifications which provide more details for the proper and safe use of the described product are available upon request.

All specifications are subject to change without notice.

Ferrite Cores

EPC Series

For Power Supply and Signal Transformer

EPC Cores

CORE SHAPES AND DIMENSIONS/CHARACTERISTICS

ELECTRICAL CHARACTERISTICS

WITHOUT AIR GAP

WITHOUT AIR GAP

WITH AIR GAP

Type

Fig.

Dimensions (mm)

Ae

le

(mm)

Weight

(g)

AC

D

EPC10

3

10.2±0.2

3.4±0.1

5±0.1

1.9±0.1

4.05±0.1

9.39

17.8

1.1

EPC13

1

13.25±0.3

4.6±0.15

5.6±0.15

2.05±0.1

6.6±0.2

12.5

30.6

2.1

EPC17

1

17.6±0.4

6±0.15

7.7±0.15

2.8±0.1

8.55±0.2

22.8

40.2

4.5

EPC19

1

19.1±0.4

6±0.15

8.5±0.15

2.5±0.1

9.75±0.2

22.7

46.1

5.3

EPC25

1

25.1±0.5

8±0.2

11.5±0.2

4±0.1

12.5±0.2

46.4

59.2

13

EPC25B

2

25.1±0.5

6.5±0.2

13.8±0.2

2.5±0.15

11.4±0.15

33.3

46.2

11

EPC27

1

27.1±0.5

8±0.2

13±0.3

4±0.1

16±0.2

54.6

73.1

18

EPC27N

4

27±0.4

5.1±0.1

13.85±0.15 2.2±0.1

13±0.1

33

55.9

10

EPC30

1

30.1±0.5

8±0.2

15±0.3

4±0.1

17.5±0.2

61

81.6

23

A

Fig.1

D

A

D

Fig.2

A

Fig.3

A

Fig.4

D

D

U.S.PAT.4,760,366

EP.PAT.245,083(DE,FR,GB,NL)

KS.UM50,836

TW.UM39,406

JP.PENDING

Part No.

AL-value

Calculated output

PC44EPC10-Z

1000±25%

[1kHz, 0.5mA, 100Ts]

5.4[100kHz]

PC50EPC10-Z

660±25%

[1kHz, 0.5mA, 100Ts]

13[500kHz]

H5C3EPC10-Z

2660min.

[10kHz, 10mV, 100Ts]

PC44EPC13-Z

870±25%

[1kHz, 0.5mA, 100Ts]

8.6[100kHz]

PC50EPC13-Z

560±25%

[1kHz, 0.5mA, 100Ts]

19[500kHz]

H5C3EPC13-Z

2450min.

[10kHz, 10mV, 100Ts]

PC44EPC17-Z

1150±25%

[1kHz, 0.5mA, 100Ts]

20[100kHz]

PC50EPC17-Z

740±25%

[1kHz, 0.5mA, 100Ts]

35[500kHz]

PC44EPC19-Z

940±25%

[1kHz, 0.5mA, 100Ts]

27[100kHz]

PC50EPC19-Z

680±25%

[1kHz, 0.5mA, 100Ts]

55[500kHz]

PC44EPC25-Z

1560±25%

[1kHz, 0.5mA, 100Ts]

63[100kHz]

PC50EPC25-Z

1080±25%

[1kHz, 0.5mA, 100Ts]

127[500kHz]

PC44EPC25B-Z

1560±25%

[1kHz, 0.5mA, 100Ts]

45[100kHz]

PC50EPC25B-Z

1080±25%

[1kHz, 0.5mA, 100Ts]

87[500kHz]

PC44EPC27-Z

1540±25%

[1kHz, 0.5mA, 100Ts]

80[100kHz]

PC50EPC27-Z

1030±25%

[1kHz, 0.5mA, 100Ts]

161[500kHz]

PC44EPC27N-Z

1400±25%

[1kHz, 0.5mA, 100Ts]

43[100kHz]

Part No.

AL-value

Calculated output

PC44EPC30-Z

1570±25%

[1kHz, 0.5mA, 100Ts]

85[100kHz]

PC50EPC30-Z

1060±25%

[1kHz, 0.5mA, 100Ts]

180[500kHz]

Part No.

AL-value

40±7%, 63±10%

PC50EPC10AXXX

40±7%, 63±10%

PC44EPC13AXXX

40±4%, 63±5%

PC50EPC13AXXX

40±4%, 63±5%

PC44EPC17AXXX

80±4%, 125±5%

PC50EPC17AXXX

80±4%, 125±5%

PC44EPC19AXXX

80±4%, 125±5%

PC50EPC19AXXX

80±4%, 125±5%

PC44EPC25AXXX

125±5%, 200±7%

PC50EPC25AXXX

125±5%, 200±7%

PC44EPC25BAXXX

80±5%, 125±7%

PC50EPC25BAXXX

80±5%, 125±7%

PC44EPC27AXXX

125±5%, 200±7%

PC50EPC27AXXX

125±5%, 200±7%

PC44EPC27NAXXX

80±5%, 125±7%

PC44EPC30AXXX

125±5%, 200±7%

PC50EPC30AXXX

125±5%, 200±7%

EPC-13_TDK.pdf