Datasheet

2
Data Sheet
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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.
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2
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.
Part Number
Impedance
(at 100MHz/20°C)
Impedance
(at 1GHz/20°C)
Rated Current DC Resistance
Operating
Temperature Range
BLM21BB221SH1
p
220ohm ±25% - 500mA 0.26ohm max. -55 to +125°C
BLM21BB331SH1
p
330ohm ±25% - 400mA 0.33ohm max. -55 to +125°C
BLM21BB471SH1
p
470ohm ±25% - 400mA 0.4ohm max. -55 to +125°C
Number of Circuits: 1
c
Impedance-Frequency Characteristics (Main Items)
BLM21BD Series
3000
600
1200
1800
2400
0
1 10 100 1000 3000
Frequency (MHz)
Impedance (Ω)
BLM21BD331SH1
BLM21BD471SH1
BLM21BD221SH1
BLM21BD152SH1
BLM21BD151SH1
BLM21BD121SH1
BLM21BD601SH1
BLM21BD222TH1
BLM21BD102SH1
BLM21BD751SH1
BLM21BD272SH1
BLM21BD222SH1
BLM21BD182SH1
BLM21BD421SH1
c
Impedance-Frequency Characteristics (Main Items)
BLM21BB Series
2000
1200
1600
800
400
0
1 10 100 1000 3000
Frequency (MHz)
Impedance (Ω)
BLM21BB151SH1
BLM21BB121SH1
BLM21BB471SH1
BLM21BB201SH1
BLM21BB600SH1
BLM21BB331SH1
BLM21BB221SH1
BLM21BB750SH1
BLM21BB050SH1
c
Impedance-Frequency Characteristics
BLM21BD121SH1
1 10 100 1000 3000
Frequency (MHz)
Impedance (Ω)
300
180
60
240
120
0
R
X
Z
c
Impedance-Frequency Characteristics
BLM21BD151SH1
1 10 100 1000 3000
Frequency (MHz)
Impedance (Ω)
360
60
120
180
240
300
0
R
X
Z
Continued on the following page.