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.
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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.
c
Derating of Rated Current
In operating temperature exceeding +85°C,
derating of current is necessary for
BLM18EG series.
Please apply the derating curve shown in
chart according to the operating
temperature.
Derating of Rated Current
Operating Temperature (°C)
Rated Current (mA)
850 125
0
1000
2000
500
c
Impedance-Frequency Characteristics (Main Items)
BLM18EG_TH1 Series
1000
800
600
200
400
0
1 10 100 1000 3000
Frequency (MHz)
Impedance (Ω)
BLM18EG391TH1
BLM18EG101TH1
BLM18EG221TH1
BLM18EG331TH1
c
Impedance-Frequency Characteristics (Main Items)
BLM18EG_SH1 Series
0
1 10 100 1000 3000
Frequency (MHz)
Impedance (Ω)
1000
800
600
200
400
BLM18EG601SH1
BLM18EG121SH1
BLM18EG471SH1
BLM18EG181SH1
c
Impedance-Frequency Characteristics
BLM18EG101TH1
1 10 100 1000 3000
Frequency (MHz)
Impedance (Ω)
0
25
50
75
125
100
150
Z
R
X
c
Impedance-Frequency Characteristics
BLM18EG121SH1
1 10 100 1000 3000
Frequency (MHz)
Impedance (Ω)
0
40
80
120
160
200
Z
R
X
Continued on the following page.