(for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc.
!Note
•Please read rating and
!CAUTION
(for storage, operating, rating, soldering, mounting and handling) in this PDF catalog to prevent smoking and/or burning, etc.
•This catalog has only typical specifications. Therefore,thereareno space for detailed specifications. Therefore, please approve our productsheet for product specifications before ordering. product specifications before ordering.
This catalog has only typical specifications because you is requested to approve our product specifications or to transact the approval specifications or transact the approval sheet for
C31E13.pdf 05.3.14
On-Board Type (DC) EMI Suppression Filters (EMIFILr)
Chip Ferrite Beads BLM03/BLM15/BLM18/BLM21/BLM31/BLM41 Series
s
Features (BLM_A Series)
The chip ferrite beads BLM series is designed to
function nearly as a resistor at noise frequencies,
which greatly reduces the possibility of resonance and
leaves signal wave forms undistorted.
The BLM series is effective in circuits without stable
ground lines because the BLM series does not need a
relatively low frequencies. Therefore BLM_A series is
effective in noise suppression in a wide frequency
range (30MHz to several hundred MHz).
The small size of BLM03A series (0.6x0.3mm) is
suitable for noise suppression in small equipment such
as PA modules for cellular phones.
s
Equivalent Circuit
1
(Resistance element becomes dominant
at high frequencies.)
BLM03A Series (0201 Size)
0.6±0.03
0.3±0.03
0.3±0.03
0.15±0.05
: electrode
(in mm)
Part Number
BLM03AG100SN1
BLM03AG700SN1
BLM03AG121SN1
BLM03AG241SN1
BLM03AG601SN1
Impedance
(at 100MHz/20°C)
(ohm)
10 (Typ.)
70 (Typ.)
120
±25%
240
±25%
600
±25%
Rated Current
(mA)
500
200
200
100
100
DC Resistance (max.)
(ohm)
0.1
0.5
0.8
1.0
2.0
Operating
Temperature Range
(°C)
-55 to +125
-55 to +125
-55 to +125
-55 to +125
-55 to +125
19
Please read rating and
!CAUTION
(for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc.
!Note
•Please read rating and
!CAUTION
(for storage, operating, rating, soldering, mounting and handling) in this PDF catalog to prevent smoking and/or burning, etc.
•This catalog has only typical specifications. Therefore,thereareno space for detailed specifications. Therefore, please approve our productsheet for product specifications before ordering. product specifications before ordering.
This catalog has only typical specifications because you is requested to approve our product specifications or to transact the approval specifications or transact the approval sheet for
C31E13.pdf 05.3.14
s
Impedance-Frequency (Typical)
BLM03 Series
1000
800
BLM03AG601SN1
Impedance (Ω)
BLM03AG241SN1
BLM03AG121SN1
400
BLM03AG700SN1
BLM03AG100SN1
200
600
1
0
1
10
100
Frequency (MHz)
1000
3000
s
Impedance-Frequency Characteristics
BLM03AG100SN1
20
120
BLM03AG700SN1
100
15
Impedance (Ω)
Impedance (Ω)
80
Z
R
60
Z
10
R
40
5
X
0
1
10
100
Frequency (MHz)
1000
3000
20
X
0
1
10
100
Frequency (MHz)
1000
3000
BLM03AG121SN1
200
500
BLM03AG241SN1
160
Z
Impedance (Ω)
120
R
80
Impedance (Ω)
400
300
Z
R
200
X
40
100
X
0
1
10
100
Frequency (MHz)
1000
3000
0
1
10
100
Frequency (MHz)
1000
3000
BLM03AG601SN1
1000
800
Z
Impedance (Ω)
600
R
400
X
200
0
1
10
100
Frequency (MHz)
1000
3000
20
Please read rating and
!CAUTION
(for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc.
!Note
•Please read rating and
!CAUTION
(for storage, operating, rating, soldering, mounting and handling) in this PDF catalog to prevent smoking and/or burning, etc.
•This catalog has only typical specifications. Therefore,thereareno space for detailed specifications. Therefore, please approve our productsheet for product specifications before ordering. product specifications before ordering.
This catalog has only typical specifications because you is requested to approve our product specifications or to transact the approval specifications or transact the approval sheet for
C31E13.pdf 05.3.14
BLM15A Series (0402 Size)
0.25±0.1
0.5±0.05
1
1.0±0.05
0.5±0.05
BLM15A Series
(in mm)
Part Number
BLM15AG100SN1
BLM15AG700SN1
BLM15AG121SN1
BLM15AG221SN1
BLM15AG601SN1
BLM15AG102SN1
Impedance
(at 100MHz/20°C)
(ohm)
10 (Typ.)
70 (Typ.)
120
±25%
220
±25%
600
±25%
1000
±25%
Rated Current
(mA)
1000
500
500
300
300
200
DC Resistance (max.)
(ohm)
0.05
0.15
0.25
0.35
0.6
1.0
Operating
Temperature Range
(°C)
-55 to +125
-55 to +125
-55 to +125
-55 to +125
-55 to +125
-55 to +125
s
Impedance-Frequency (Typical)
BLM15A Series
1200
BLM15AG102SN1
1000
800
Impedance (Ω)
BLM15AG601SN1
600
BLM15AG221SN1
BLM15AG121SN1
BLM15AG700SN1
BLM15AG100SN1
200
400
0
1
10
Frequency (MHz)
100
1000
s
Impedance-Frequency Characteristics
BLM15AG100SN1
20
120
BLM15AG700SN1
100
15
Z
Impedance (Ω)
R
10
Impedance (Ω)
80
Z
R
60
40
5
X
20
X
0
1
10
Frequency (MHz)
100
1000
0
1
10
Frequency (MHz)
100
1000
Continued on the following page.
21
Please read rating and
!CAUTION
(for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc.
!Note
•Please read rating and
!CAUTION
(for storage, operating, rating, soldering, mounting and handling) in this PDF catalog to prevent smoking and/or burning, etc.
•This catalog has only typical specifications. Therefore,thereareno space for detailed specifications. Therefore, please approve our productsheet for product specifications before ordering. product specifications before ordering.
This catalog has only typical specifications because you is requested to approve our product specifications or to transact the approval specifications or transact the approval sheet for
C31E13.pdf 05.3.14
Continued from the preceding page.
s
Impedance-Frequency Characteristics
BLM15AG121SN1
200
400
BLM15AG221SN1
150
Impedance (Ω)
Impedance (Ω)
Z
R
300
Z
R
100
200
1
50
X
100
X
0
1
10
Frequency (MHz)
100
1000
0
1
10
Frequency (MHz)
100
1000
BLM15AG601SN1
800
Z
600
R
Impedance (Ω)
Impedance (Ω)
900
1200
BLM15AG102SN1
Z
R
600
400
X
200
300
X
0
1
10
Frequency (MHz)
100
1000
0
1
10
100
Frequency (MHz)
1000
BLM18A Series (0603 Size)
0.4±0.2
1.6±0.15
0.8±0.15
BLM18A Series
(in mm)
Part Number
BLM18AG121SN1
BLM18AG151SN1
BLM18AG221SN1
BLM18AG331SN1
BLM18AG471SN1
BLM18AG601SN1
BLM18AG102SN1
Impedance
(at 100MHz/20°C)
(ohm)
120
±25%
150
±25%
220
±25%
330
±25%
470
±25%
600
±25%
1000
±25%
Rated Current
(mA)
200
200
200
200
200
200
100
DC Resistance (max.)
(ohm)
0.20
0.25
0.30
0.45
0.50
0.50
0.70
Operating
Temperature Range
(°C)
-55 to +125
-55 to +125
-55 to +125
-55 to +125
-55 to +125
-55 to +125
-55 to +125
22
0.8±0.15
Please read rating and
!CAUTION
(for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc.
!Note
•Please read rating and
!CAUTION
(for storage, operating, rating, soldering, mounting and handling) in this PDF catalog to prevent smoking and/or burning, etc.
•This catalog has only typical specifications. Therefore,thereareno space for detailed specifications. Therefore, please approve our productsheet for product specifications before ordering. product specifications before ordering.
This catalog has only typical specifications because you is requested to approve our product specifications or to transact the approval specifications or transact the approval sheet for
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