2

Data Sheet

!Note:

1. This datasheet is downloaded from the website of Murata Manufacturing co., ltd. Therefore, it’s specifications are subject to change or our

products in it may be discontinued without advance notice. Please check with our sales representatives or product engineers before ordering.

2. This datasheet has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product

specifications or transact the approval sheet for product specifications before ordering.

http://www.murata.com/

2

Noise Suppression Products/EMI Suppression Filters > EMIFIL

r (Inductor type) > Chip Ferrite Bead for GHz Noise

2011.11.2

oThis data sheet is applied for CHIP FERRITE BEAD used for General Electronics equipment for your design.

Continued from the preceding page.

c Derating of Rated Current

In operating temperature exceeding +85°C,

derating of current is necessary for

BLM18HE series.

Please apply the derating curve shown in

chart according to the operating

temperature.

Derating of Rated Current

Operating Temperature (°C)

125

85

0

400

500

600

800

0

c Impedance-Frequency Characteristics (Main Items)

BLM18HG Series

Frequency (MHz)

1

10

100

1000

3000

2000

1500

1000

500

0

BLM18HG102SN1

BLM18HG601SN1

BLM18HG471SN1

c Impedance-Frequency Characteristics (Main Items)

BLM18HE Series

Frequency (MHz)

1

10

100

1000

3000

0

500

1000

1500

2000

2500

BLM18HE152SN1

BLM18HE601SN1

BLM18HE102SN1

c Impedance-Frequency Characteristics (Main Items)

BLM18HD Series

Frequency (MHz)

1

10

100

1000

3000

0

3000

2000

2500

1500

500

1000

BLM18HD601SN1

BLM18HD471SN1

BLM18HD102SN1

c Impedance-Frequency Characteristics (Main Items)

BLM18HB Series

Frequency (MHz)

1

10

100

1000

3000

2000

1500

1000

500

0

BLM18HB331SN1

BLM18HB121SN1

BLM18HB221SN1

Continued on the following page.