Noise Suppression Products/EMI Suppression Filters > For Automotive > Chip Ferrite Bead for Automotive
Data Sheet
1
For Automotive Chip Ferrite Bead for Automotive
BLM21A Series (0805 Size)
c Dimensions
c Equivalent Circuit
0.85±0.2
0.5±0.2
2.0±0.2
1.25±0.2
(Resistance element becomes dominant
at high frequencies.)
EIA CODE : 0805
: Electrode
(in mm)
c Packaging
Code
Packaging
D
180mm Paper Tape
Minimum Quantity
4000
J
330mm Paper Tape
10000
B
Bulk(Bag)
1000
c Rated Value (p: packaging code)
Impedance
(at 100MHz/20°C)
Impedance
(at 1GHz/20°C)
Rated Current
DC Resistance
Operating
Temperature Range
BLM21AG121SH1p
120ohm ±25%
-
800mA
0.1ohm max.
-55 to +125°C
BLM21AG151SH1p
150ohm ±25%
-
800mA
0.1ohm max.
-55 to +125°C
BLM21AG221SH1p
220ohm ±25%
-
800mA
0.13ohm max.
-55 to +125°C
BLM21AG331SH1p
330ohm ±25%
-
700mA
0.16ohm max.
-55 to +125°C
BLM21AG471SH1p
470ohm ±25%
-
700mA
0.19ohm max.
-55 to +125°C
BLM21AG601SH1p
600ohm ±25%
-
600mA
0.21ohm max.
-55 to +125°C
BLM21AG102SH1p
1000ohm ±25%
-
500mA
0.28ohm max.
-55 to +125°C
Part Number
Number of Circuits: 1
c Impedance-Frequency Characteristics (Main Items)
1200
BLM21AG102SH1
BLM21AG601SH1
Impedance (Ω)
900
BLM21AG471SH1
BLM21AG331SH1
BLM21AG221SH1
600
BLM21AG151SH1
BLM21AG121SH1
300
0
1
10
100
1000
3000
Frequency (MHz)
Continued on the following page.
oThis data sheet is applied for CHIP FERRITE BEAD used for Automotive Electronics equipment for your design.
!Note:
1. This datasheet is downloaded from the website of Murata Manufacturing co., ltd. Therefore, it’s specifications 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 specifications because there is no space for detailed specifications. Therefore, please approve our product
specifications or transact the approval sheet for product specifications before ordering.
2012.1.10
http://www.murata.com/
Noise Suppression Products/EMI Suppression Filters > For Automotive > Chip Ferrite Bead for Automotive
Data Sheet
2
Continued from the preceding page.
c Impedance-Frequency Characteristics
c Impedance-Frequency Characteristics
BLM21AG121SH1
BLM21AG151SH1
200
200
Z
150
Z
Impedance (Ω)
Impedance (Ω)
150
R
100
X
50
0
1
10
100
Frequency (MHz)
R
100
X
50
1000
0
3000
c Impedance-Frequency Characteristics
1
1000
3000
BLM21AG331SH1
300
400
Z
240
Z
300
Impedance (Ω)
Impedance (Ω)
100
Frequency (MHz)
c Impedance-Frequency Characteristics
BLM21AG221SH1
R
180
120
X
1
10
100
Frequency (MHz)
R
200
X
100
60
0
10
1000
0
3000
c Impedance-Frequency Characteristics
1
10
100
Frequency (MHz)
1000
3000
c Impedance-Frequency Characteristics
BLM21AG471SH1
BLM21AG601SH1
600
800
Z
Z
600
R
Impedance (Ω)
Impedance (Ω)
450
300
150
R
400
200
X
X
0
1
10
100
Frequency (MHz)
1000
0
3000
1
10
100
Frequency (MHz)
1000
3000
Continued on the following page.
oThis data sheet is applied for CHIP FERRITE BEAD used for Automotive Electronics equipment for your design.
!Note:
1. This datasheet is downloaded from the website of Murata Manufacturing co., ltd. Therefore, it’s specifications 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 specifications because there is no space for detailed specifications. Therefore, please approve our product
specifications or transact the approval sheet for product specifications before ordering.
2012.1.10
http://www.murata.com/
Noise Suppression Products/EMI Suppression Filters > For Automotive > Chip Ferrite Bead for Automotive
Data Sheet
3
Continued from the preceding page.
c Impedance-Frequency Characteristics
BLM21AG102SH1
1200
Z
Impedance (Ω)
900
600
R
300
X
0
1
10
100
Frequency (MHz)
1000
3000
c !Caution/Notice
!Caution (Rating)
1. Do not use products beyond the rated current as
this may create excessive heat and deteriorate
the insulation resistance.
2. Be sure to provide an appropriate fail-safe
function on your product to prevent a second damage
that may be caused by the abnormal function or
the failure our product.
Notice
Solderability of Tin plating termination chip might be
deteriorated when low temperature soldering profile
where peak solder temperature is below the Tin melting
point is used. Please confirm the solderability of Tin
plating termination chip before use.
oThis data sheet is applied for CHIP FERRITE BEAD used for Automotive Electronics equipment for your design.
!Note:
1. This datasheet is downloaded from the website of Murata Manufacturing co., ltd. Therefore, it’s specifications 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 specifications because there is no space for detailed specifications. Therefore, please approve our product
specifications or transact the approval sheet for product specifications before ordering.
2012.1.10
http://www.murata.com/
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