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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/

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Noise Suppression Products/EMI Suppression Filters > EMIFIL

r (Inductor type) > Chip Ferrite Bead

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 Impedance-Frequency Characteristics

BLM21PG300SN1

1

10

100

1000

3000

Frequency (MHz)

10

20

30

40

0

Z

R

X

50

c Impedance-Frequency Characteristics

BLM21PG600SN1

1

10

100

1000

3000

Frequency (MHz)

20

40

60

80

0

Z

R

X

100

c Impedance-Frequency Characteristics

BLM21PG121SN1

1

10

100

1000

3000

Frequency (MHz)

0

40

80

160

120

Z

R

X

c Impedance-Frequency Characteristics

BLM21PG221SN1

1

10

100

1000

3000

Frequency (MHz)

60

120

180

240

0

Z

R

X

300

c Impedance-Frequency Characteristics

BLM21PG331SN1

1

10

100

1000

3000

Frequency (MHz)

500

100

200

300

400

0

R

X

Z

Continued on the following page.