EMI Core

16

Ring Type

●All specifications in this catalog and production status of products are subject to change without notice. Prior to the purchase, please contact NEC TOKIN for updated product data.

●Please request for a specification sheet for detailed product data prior to the purchase.

●Before using the product in this catalog, please read "Precautions" and other safety precautions listed in the printed version catalog.

9634ESDVOL09E1003E1

3.0

C

ø5.1

bESD-R-B Series

Shape and Dimensions

Toroidal Cores with

Snail-shaped Case

[RoHS Compliant]

Toroidal Cores with

Snail-shaped Case

[RoHS Compliant]

1

10

100

1000

1

10

100

1000

1

10

100

1000

1

10

100

1000

1

10000

1000

100

10

1T

2T

3T

1

10000

1000

100

10

1T

2T

3T

1

10000

1000

100

10

1T

2T

3T

1

10000

1000

100

10

1T

2T

3T

Frequency (MHz)

ESD-R-19B

Frequency (MHz)

ESD-R-19D-B

Frequency (MHz)

ESD-R-25B

Frequency (MHz)

ESD-R-25D-B

Impedance vs. Frequency

[mm]

ESD-R-19B

21.5

8.8

13.0

18.5

●

white

ESD-R-19S

ESD-R-19D-B

21.5

8.8

13.0

18.5

●

black

ESD-R-19SD

ESD-R-25B

29.3

13.9

15.0

23.0

●

white

ESD-R-25S

ESD-R-25D-B

29.3

13.9

15.0

23.0

●

black

ESD-R-25SD

ESD-R-38B

42.4

17.9

16.0

28.0

●

white

ESD-R-38D

ESD-R-38D-B

42.4

17.9

16.0

28.0

●

black

−

ESD-R-47B

51.5

25.5

17.5

34.0

●

white

−

ESD-R-47D-B

51.5

25.5

17.5

34.0

●

black

−

Model

Dimensions (mm)

Frequency range

Color of case

Compatible toroidal core

A

B

C

D

up to 100MHz

up to 300MHz

(bare type)

(mainly AM band range)

(mainly FM band range)

※Above frequency range is a reference only. Please test with actual device before use.

※Flame resistant grade of the case : UL94V-2