Noise Suppression Products/EMI Suppression Filters > EMIFILr (Inductor type) > Chip Ferrite Bead
Data Sheet
1
EMIFIL
r
(Inductor type)
Chip Ferrite Bead
BLM21B Series (0805 Size)
c
Dimensions
E
c
Equivalent Circuit
2.0±0.2
1.25±0.2
Part Number
T
E
T
BLM21B
0.85±0.2 0.5±0.2
(exclude items below)
BLM21BD222SN1
1.25±0.2 0.5±0.2
BLM21BD272SN1
1.25±0.2 0.3±0.2
: Electrode
(in mm)
(Resistance element becomes dominant
at high frequencies.)
c
Packaging
Code
D
J
B
Packaging
180mm Paper Tape
330mm Paper Tape
Bulk(Bag)
Minimum Quantity
4000
10000
1000
BLM21BD222SN1/21BD272SN1
Code
L
K
B
180mm Plastic Tape
330mm Plastic Tape
Bulk(Bag)
3000
10000
1000
c
Rated Value (p: packaging code)
Part Number
BLM21BD121SN1p
BLM21BD151SN1p
BLM21BD221SN1p
BLM21BD331SN1p
BLM21BD421SN1p
BLM21BD471SN1p
BLM21BD601SN1p
BLM21BD751SN1p
BLM21BD102SN1p
BLM21BD152SN1p
BLM21BD182SN1p
BLM21BD222TN1p
BLM21BD222SN1p
BLM21BD272SN1p
BLM21BB050SN1p
BLM21BB600SN1p
BLM21BB750SN1p
BLM21BB121SN1p
BLM21BB151SN1p
BLM21BB201SN1p
Number of Circuits: 1
Continued on the following page.
Impedance
(at 100MHz/20°C)
120ohm ±25%
150ohm ±25%
220ohm ±25%
330ohm ±25%
420ohm ±25%
470ohm ±25%
600ohm ±25%
750ohm ±25%
1000ohm ±25%
1500ohm ±25%
1800ohm ±25%
2200ohm ±25%
2250ohm (Typ.)
2700ohm ±25%
5ohm ±25%
60ohm ±25%
75ohm ±25%
120ohm ±25%
150ohm ±25%
200ohm ±25%
Impedance
(at 1GHz/20°C)
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Rated Current
200mA
200mA
200mA
200mA
200mA
200mA
200mA
200mA
200mA
200mA
200mA
200mA
200mA
200mA
1000mA
800mA
700mA
600mA
600mA
500mA
DC Resistance
0.25ohm max.
0.25ohm max.
0.25ohm max.
0.30ohm max.
0.30ohm max.
0.35ohm max.
0.35ohm max.
0.40ohm max.
0.40ohm max.
0.45ohm max.
0.50ohm max.
0.60ohm max.
0.60ohm max.
0.80ohm max.
0.02ohm max.
0.13ohm max.
0.16ohm max.
0.19ohm max.
0.21ohm max.
0.26ohm max.
Operating
Temperature Range
-55 to +125°C
-55 to +125°C
-55 to +125°C
-55 to +125°C
-55 to +125°C
-55 to +125°C
-55 to +125°C
-55 to +125°C
-55 to +125°C
-55 to +125°C
-55 to +125°C
-55 to +125°C
-55 to +125°C
-55 to +125°C
-55 to +125°C
-55 to +125°C
-55 to +125°C
-55 to +125°C
-55 to +125°C
-55 to +125°C
oThis
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.
2011.11.2
http://www.murata.com/
Noise Suppression Products/EMI Suppression Filters > EMIFILr (Inductor type) > Chip Ferrite Bead
Data Sheet
Continued from the preceding page.
2
Part Number
BLM21BB221SN1p
BLM21BB331SN1p
BLM21BB471SN1p
Number of Circuits: 1
Impedance
(at 100MHz/20°C)
220ohm ±25%
330ohm ±25%
470ohm ±25%
Impedance
(at 1GHz/20°C)
-
-
-
Rated Current
500mA
400mA
400mA
DC Resistance
0.26ohm max.
0.33ohm max.
0.40ohm max.
Operating
Temperature Range
-55 to +125°C
-55 to +125°C
-55 to +125°C
c
Impedance-Frequency Characteristics (Main Items)
BLM21BD Series
3000
BLM21BD272SN1
BLM21BD222SN1
BLM21BD222TN1
BLM21BD182SN1
c
Impedance-Frequency Characteristics (Main Items)
BLM21BB Series
2000
2400
BLM21BD152SN1
BLM21BD102SN1
BLM21BD751SN1
BLM21BD601SN1
BLM21BD471SN1
BLM21BD421SN1
BLM21BD331SN1
BLM21BD221SN1
BLM21BD151SN1
BLM21BD121SN1
1600
BLM21BB471SN1
Impedance (Ω)
1200
BLM21BB331SN1
BLM21BB221SN1
800
BLM21BB151SN1
BLM21BB121SN1
BLM21BB600SN1
400
BLM21BB050SN1
BLM21BB750SN1
BLM21BB201SN1
Impedance (Ω)
1800
1200
600
0
1
10
100
Frequency (MHz)
1000
3000
0
1
10
100
Frequency (MHz)
1000
3000
c
Impedance-Frequency Characteristics
BLM21BD121SN1
300
240
Impedance (Ω)
c
Impedance-Frequency Characteristics
BLM21BD151SN1
360
300
Impedance (Ω)
Z
180
120
60
0
X
R
240
Z
180
120
60
0
X
R
1
10
100
Frequency (MHz)
1000
3000
1
10
100
Frequency (MHz)
1000
3000
Continued on the following page.
oThis
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.
2011.11.2
http://www.murata.com/
Noise Suppression Products/EMI Suppression Filters > EMIFILr (Inductor type) > Chip Ferrite Bead
Data Sheet
Continued from the preceding page.
3
c
Impedance-Frequency Characteristics
BLM21BD221SN1
480
400
Impedance (Ω)
320
240
160
X
80
0
c
Impedance-Frequency Characteristics
BLM21BD331SN1
800
Impedance (Ω)
Z
R
600
Z
400
X
200
R
1
10
100
Frequency (MHz)
1000
3000
0
1
10
100
Frequency (MHz)
1000
3000
c
Impedance-Frequency Characteristics
BLM21BD421SN1
800
c
Impedance-Frequency Characteristics
BLM21BD471SN1
900
750
600
Impedance (Ω)
Impedance (Ω)
Z
R
600
450
300
Z
R
400
200
X
X
150
0
1
10
100
Frequency (MHz)
1000
3000
0
1
10
100
Frequency (MHz)
1000
3000
c
Impedance-Frequency Characteristics
BLM21BD601SN1
1200
1000
Z
Impedance (Ω)
800
600
400
200
0
X
R
c
Impedance-Frequency Characteristics
BLM21BD751SN1
1500
1200
Impedance (Ω)
Z
900
R
600
300
X
0
1
10
100
Frequency (MHz)
1000
3000
1
10
100
Frequency (MHz)
1000
3000
Continued on the following page.
oThis
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.
2011.11.2
http://www.murata.com/
Noise Suppression Products/EMI Suppression Filters > EMIFILr (Inductor type) > Chip Ferrite Bead
Data Sheet
Continued from the preceding page.
4
c
Impedance-Frequency Characteristics
BLM21BD102SN1
1600
Z
1200
Impedance (Ω)
c
Impedance-Frequency Characteristics
BLM21BD152SN1
2000
Z
1600
Impedance (Ω)
R
1200
800
X
400
0
R
800
X
400
0
1
10
100
Frequency (MHz)
1000
3000
1
10
100
Frequency (MHz)
1000
3000
c
Impedance-Frequency Characteristics
BLM21BD182SN1
2400
2000
Impedance (Ω)
c
Impedance-Frequency Characteristics
BLM21BD222TN1
2400
2000
Impedance (Ω)
Z
Z
1600
R
1200
800
400
0
X
1600
R
1200
800
X
400
0
1
10
100
Frequency (MHz)
1000
3000
1
10
100
Frequency (MHz)
1000
3000
c
Impedance-Frequency Characteristics
BLM21BD222SN1
2400
2000
Impedance (Ω)
1600
1200
800
X
400
0
Z
c
Impedance-Frequency Characteristics
BLM21BD272SN1
3200
2400
R
Impedance (Ω)
R
Z
1600
800
X
0
1
10
100
Frequency (MHz)
1000
3000
1
10
100
Frequency (MHz)
1000
3000
Continued on the following page.
oThis
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.
2011.11.2
http://www.murata.com/
Noise Suppression Products/EMI Suppression Filters > EMIFILr (Inductor type) > Chip Ferrite Bead
Data Sheet
Continued from the preceding page.
5
c
Impedance-Frequency Characteristics
BLM21BB050SN1
30
25
Impedance (Ω)
c
Impedance-Frequency Characteristics
BLM21BB600SN1
300
Impedance (Ω)
20
15
10
Z
X
200
Z
R
100
R
5
X
0
1
10
100
Frequency (MHz)
1000
3000
0
1
10
100
Frequency (MHz)
1000
3000
c
Impedance-Frequency Characteristics
BLM21BB750SN1
300
c
Impedance-Frequency Characteristics
BLM21BB121SN1
400
300
Impedance (Ω)
200
Z
R
Impedance (Ω)
Z
200
R
100
X
100
X
0
1
10
100
Frequency (MHz)
1000
3000
0
1
10
100
Frequency (MHz)
1000
3000
c
Impedance-Frequency Characteristics
BLM21BB151SN1
600
c
Impedance-Frequency Characteristics
BLM21BB201SN1
600
Z
Impedance (Ω)
400
Z
200
X
X
0
0
R
Impedance (Ω)
400
R
200
1
10
100
Frequency (MHz)
1000
3000
1
10
100
Frequency (MHz)
1000
3000
Continued on the following page.
oThis
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.
2011.11.2
http://www.murata.com/
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