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
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2
Noise Suppression Products/EMI Suppression Filters > EMIFIL
r
(Inductor type) > Chip Ferrite Bead
2012.1.10
o
This 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
BLM18SG 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
3000
1500
2500
4000
6000
c
Impedance-Frequency Characteristics (Main Items)
Impedance (Ω)
Frequency (MHz)
1 10 100 1000 3000
0
100
200
300
400
BLM18SG331TN1
BLM18SG121TN1
BLM18SG700TN1
BLM18SG260TN1
BLM18SG221TN1
c
Impedance-Frequency Characteristics
BLM18SG260TN1
1 10 100 1000 3000
Frequency (MHz)
Impedance (Ω)
0
10
20
30
40
Z
R
X
Continued on the following page.