Page 1
Noise Suppression Products/EMI Suppression Filters > EMIFILr (Inductor type) > Chip Ferrite Bead
Data Sheet
EMIFILr (Inductor type) Chip Ferrite Bead
BLM18A Series (0603 Size)
■ Dimensions ■ Equivalent Circuit
0.4±0.2
0.8±0.15
1.6±0.15 0.8±0.15
(Resistance element becomes dominant
: Electrode
(in mm)
■ Packaging
Code Packaging Minimum Quantity
D 180mm Paper Tape 4000
J 330mm Paper Tape 10000
B Bulk(Bag) 1000
1
at high frequencies.)
■ Rated Value (p: packaging code)
Part Number
BLM18AG121SN1p
BLM18AG151SN1p 150ohm±25% - 500mA 0.25ohm -55°C to +125°C
BLM18AG221SN1p 220ohm±25% - 500mA 0.25ohm -55°C to +125°C
BLM18AG331SN1p 330ohm±25% - 500mA 0.30ohm -55°C to +125°C
BLM18AG471SN1p 470ohm±25% - 500mA 0.35ohm -55°C to +125°C
BLM18AG601SN1p 600ohm±25% - 500mA 0.38ohm -55°C to +125°C
BLM18AG102SN1p 1000ohm±25% - 400mA 0.50ohm -55°C to +125°C
Number of Circuits: 1
Impedance
(at 100MHz/20°C)
120ohm±25% - 500mA 0.18ohm -55°C to +125°C
Impedance
(at 1GHz/20°C)
Rated Current DC Resistance(max.)
Continued on the following page.
Operating
Temperature Range
o This data sheet is applied for CHIP FERRITE BEAD used for General 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.
http://www.murata.com/
2009.5.1
Page 2
Noise Suppression Products/EMI Suppression Filters > EMIFILr (Inductor type) > Chip Ferrite Bead
Data Sheet
Continued from the preceding page.
■ Impedance-Frequency Characteristics (Main Items) ■ Impedance-Frequency Characteristics
1200
900
600
Impedance (Ω)
BLM18AG151SN1
BLM18AG121SN1
300
0
1 10 100 1000 3000
BLM18AG102SN1
BLM18AG601SN1
BLM18AG471SN1
BLM18AG331SN1
BLM18AG221SN1
Frequency (MHz)
200
150
100
Impedance (Ω)
BLM18AG121SN1
Z
R
50
0
1 10 100 1000 3000
Frequency (MHz)
X
2
■ Impedance-Frequency Characteristics
BLM18AG151SN1
400
300
200
Impedance (Ω)
100
0
1 10 100 1000 3000
Z
R
X
Frequency (MHz)
■ Impedance-Frequency Characteristics
BLM18AG331SN1
600
450
300
Impedance (Ω)
150
0
1 10 100 1000 3000
Z
R
X
Frequency (MHz)
■ Impedance-Frequency Characteristics
BLM18AG221SN1
400
300
200
Impedance (Ω)
100
0
1 10 100 1000 3000
Z
R
X
Frequency (MHz)
■ Impedance-Frequency Characteristics
BLM18AG471SN1
800
600
400
Impedance (Ω)
200
0
1 10 100 1000 3000
Z
R
X
Frequency (MHz)
Continued on the following page.
o This data sheet is applied for CHIP FERRITE BEAD used for General 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.
http://www.murata.com/
2009.5.1
Page 3
Continued from the preceding page.
■ Impedance-Frequency Characteristics
BLM18AG601SN1
Noise Suppression Products/EMI Suppression Filters > EMIFILr (Inductor type) > Chip Ferrite Bead
Data Sheet
3
■ Impedance-Frequency Characteristics
BLM18AG102SN1
800
600
400
Impedance (Ω)
200
0
1 10 100 1000 3000
Z
R
X
Frequency (MHz)
■ !Caution/Notice
!Caution (Rating)
Do not use products beyond the rated current as
this may create excessive heat and deteriorate
the insulation resistance.
1200
900
600
Impedance (Ω)
300
0
1 10 100 1000 3000
Z
R
X
Frequency (MHz)
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.
o This data sheet is applied for CHIP FERRITE BEAD used for General 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.
http://www.murata.com/
2009.5.1
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