Noise Suppression Products/EMI Suppression Filters > EMIFILr (Inductor type) > Chip Ferrite Bead
Data Sheet
1
EMIFILr (Inductor type) Chip Ferrite Bead
BLM21B Series (0805 Size)
c Dimensions
c Equivalent Circuit
T
E
2.0±0.2
1.25±0.2
Part Number
T
E
(Resistance element becomes dominant
at high frequencies.)
BLM21B
0.85±0.2 0.5±0.2
(exclude items below)
BLM21BD222Sp1 1.25±0.2 0.5±0.2
BLM21BD272Sp1 1.25±0.2 0.3±0.2
: Electrode
(in mm)
c Packaging
Code
Packaging
BLM21BD222SN1/21BD272SN1
Minimum Quantity
D
180mm Paper Tape
4000
J
330mm Paper Tape
10000
B
Bulk(Bag)
Code
L
K
B
1000
180mm Plastic Tape
330mm Plastic Tape
Bulk(Bag)
3000
10000
1000
c Rated Value (p: packaging code)
Part Number
Impedance
(at 100MHz/20°C)
Impedance
(at 1GHz/20°C)
Rated Current
DC Resistance
Operating
Temperature Range
BLM21BD121SN1p
120ohm ±25%
-
200mA
0.25ohm max.
-55 to +125°C
BLM21BD151SN1p
150ohm ±25%
-
200mA
0.25ohm max.
-55 to +125°C
BLM21BD221SN1p
220ohm ±25%
-
200mA
0.25ohm max.
-55 to +125°C
BLM21BD331SN1p
330ohm ±25%
-
200mA
0.30ohm max.
-55 to +125°C
BLM21BD421SN1p
420ohm ±25%
-
200mA
0.30ohm max.
-55 to +125°C
BLM21BD471SN1p
470ohm ±25%
-
200mA
0.35ohm max.
-55 to +125°C
BLM21BD601SN1p
600ohm ±25%
-
200mA
0.35ohm max.
-55 to +125°C
BLM21BD751SN1p
750ohm ±25%
-
200mA
0.40ohm max.
-55 to +125°C
BLM21BD102SN1p
1000ohm ±25%
-
200mA
0.40ohm max.
-55 to +125°C
BLM21BD152SN1p
1500ohm ±25%
-
200mA
0.45ohm max.
-55 to +125°C
BLM21BD182SN1p
1800ohm ±25%
-
200mA
0.50ohm max.
-55 to +125°C
BLM21BD222TN1p
2200ohm ±25%
-
200mA
0.60ohm max.
-55 to +125°C
BLM21BD222SN1p
2250ohm (Typ.)
-
200mA
0.60ohm max.
-55 to +125°C
BLM21BD272SN1p
2700ohm ±25%
-
200mA
0.80ohm max.
-55 to +125°C
BLM21BB050SN1p
5ohm ±25%
-
1000mA
0.02ohm max.
-55 to +125°C
BLM21BB600SN1p
60ohm ±25%
-
800mA
0.13ohm max.
-55 to +125°C
BLM21BB750SN1p
75ohm ±25%
-
700mA
0.16ohm max.
-55 to +125°C
BLM21BB121SN1p
120ohm ±25%
-
600mA
0.19ohm max.
-55 to +125°C
BLM21BB151SN1p
150ohm ±25%
-
600mA
0.21ohm max.
-55 to +125°C
BLM21BB201SN1p
200ohm ±25%
-
500mA
0.26ohm max.
-55 to +125°C
Number of Circuits: 1
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.
2014.9.8
Murata Manufacturing Co., Ltd.
http://www.murata.com/
Noise Suppression Products/EMI Suppression Filters > EMIFILr (Inductor type) > Chip Ferrite Bead
Data Sheet
3
Continued from the preceding page.
c Impedance-Frequency Characteristics
c Impedance-Frequency Characteristics
BLM21BD221SN1
BLM21BD331SN1
480
800
600
Z
320
Impedance (Ω)
Impedance (Ω)
400
R
240
160
X
Z
R
400
X
200
80
0
1
10
100
Frequency (MHz)
1000
0
3000
c Impedance-Frequency Characteristics
1
10
100
Frequency (MHz)
1000
3000
c Impedance-Frequency Characteristics
BLM21BD421SN1
BLM21BD471SN1
900
800
750
Z
Impedance (Ω)
Impedance (Ω)
600
R
400
X
200
Z
600
R
450
300
X
150
0
1
10
100
Frequency (MHz)
1000
0
3000
c Impedance-Frequency Characteristics
1
10
3000
BLM21BD751SN1
1200
1500
1000
1200
Impedance (Ω)
Z
Impedance (Ω)
1000
c Impedance-Frequency Characteristics
BLM21BD601SN1
800
R
600
400
X
200
0
100
Frequency (MHz)
Z
900
R
600
300
X
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 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.
2014.9.8
Murata Manufacturing Co., Ltd.
http://www.murata.com/
