Datasheet
3
Data Sheet
!
Note:
1. This datasheet is downloaded from the website of Murata Manufacturing co., ltd. Therefore, it’s specifi cations 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 specifi cations because there is no space for detailed specifi cations. Therefore, please approve our product
specifi cations or transact the approval sheet for product specifi cations before ordering.
http://www.murata.com/
3
Noise Suppression Products/EMI Suppression Filters > For Automotive > Chip Ferrite Bead for Automotive
2012.1.10
o
This data sheet is applied for CHIP FERRITE BEAD used for Automotive Electronics equipment for your design.
Continued from the preceding page.
c
Impedance-Frequency Characteristics
BLM21BD221SH1
1 10 100 1000 3000
Frequency (MHz)
Impedance (Ω)
480
80
160
240
320
400
0
R
X
Z
c
Impedance-Frequency Characteristics
BLM21BD331SH1
1 10 100 1000 3000
Frequency (MHz)
Impedance (Ω)
800
600
400
200
0
R
X
Z
c
Impedance-Frequency Characteristics
BLM21BD421SH1
1 10 100 1000 3000
Frequency (MHz)
Impedance (Ω)
800
200
400
600
0
R
X
Z
c
Impedance-Frequency Characteristics
BLM21BD471SH1
1 10 100 1000 3000
Frequency (MHz)
Impedance (Ω)
900
150
300
450
600
750
0
R
X
Z
c
Impedance-Frequency Characteristics
BLM21BD601SH1
1 10 100 1000 3000
Frequency (MHz)
Impedance (Ω)
1200
200
400
600
800
1000
0
R
X
Z
c
Impedance-Frequency Characteristics
BLM21BD751SH1
1 10 100 1000 3000
Frequency (MHz)
Impedance (Ω)
1500
1200
900
300
600
0
R
X
Z
Continued on the following page.