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
BLM21PG 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
3000
1500
6000
4000
3500
c
Impedance-Frequency Characteristics (Main Items)
Impedance (Ω)
0
100
200
300
400
500
1 10 100 1000
Frequency (MHz)
3000
BLM21PG220SH1
BLM21PG300SH1
BLM21PG600SH1
BLM21PG221SH1
BLM21PG331SH1
BLM21PG121SH1
c
Impedance-Frequency Characteristics
BLM21PG220SH1
1 10 100 1000 3000
Frequency (MHz)
Impedance (Ω)
30
20
10
0
Z
R
X
40
Continued on the following page.